Fault Guide

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GE Transportation
GE OHV AC Control System 
Events, Historical Counters and 
Profiles Information
Document No. GEK-91756, Rev. C
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
ii GE Proprietary and Confidential Information
© 2017 General Electric Company. All rights reserved. The information contained in this publication is the property of
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Revision History
Rev Date By Description
NEW Apr 2013 TLB Initial release of publication.
A June 2013 TLB Updates to format, addition of tables, large text changes, added Invertex Ie and 
II information.
B Feb-2015 GEM Revised Table 1., DPSC Event List through Table 7., Mine Historical Statistical 
Data Profiles as per Workflow: 126932325.
C Feb-2017 RKS Updated the Section 2.1., DSC/PSC EVENT LIST (000 - 099), 2.2., INVERTER EVENT 
LIST (XX00 - XX99), 2.3., ADDITIONAL SYSTEM EVENTS/DSC EVENT LIST (500 - 
599), 2.4., DSC/TCI EVENT LIST (600 - 699) and 3., HISTORICAL DATA COUNTERS.
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
TABLE OF CONTENTS
Section Page
1. GENERAL INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
1.1. INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
2. EVENT LISTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
2.1. DSC/PSC EVENT LIST (000 - 099) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
2.2. INVERTER EVENT LIST (Xx00 - Xx99) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
2.3. ADDITIONAL SYSTEM EVENTS/DSC EVENT LIST (500 - 599) . . . . . . . . . . . . . . . . . . . . . . . . . . 119
2.4. DSC/TCI EVENT LIST (600 - 699) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128
3. HISTORICAL DATA COUNTERS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 137
3.1. MINE HISTORICAL COUNTERS (301 - 399) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 137
3.2. DSC AND PSC HISTORICAL EVENT COUNTER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141
3.3. INVERTER 1 HISTORICAL EVENT COUNTER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141
3.4. INVERTER 2 HISTORICAL EVENT COUNTER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 142
3.5. DSC AND TCI HISTORICAL EVENT COUNTER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 142
4. HISTORICAL PROFILES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 143
4.1. MINE HISTORICAL STATISTICAL DATA PROFILES (401 - 441) . . . . . . . . . . . . . . . . . . . . . . . . . 143
GE Proprietary and Confidential Information iii
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1. GENERAL INFORMATION
1.1. INTRODUCTION
This publication details information retained by the GE OHV AC Control System.
This Control System may have an Invertex I, Invertex Ie, or Invertex II computer system. Invertex I and Ie have two
CPU cards: Propulsion System Control (PSC) and Truck Control Interface (TCI). Truck information is communicated
between and stored on the two cards. Later truck models may have the Invertex II computer system. Trucks
equipped with Invertex II have one CPU card: the Drive System Controller (DSC). The DSC CPU card is a consolidation
of the PSC and TCI CPU cards, thus the DSC CPU card will generate the same events as the PSC and TCI CPU cards.
The event lists within this publication apply to all three computer systems.
GE recommends that saved information (Events and Historical Counters and Profiles) be regularly downloaded as
part of a maintenance program to ensure continuity of truck history.
Revisions are Indicated by Margin Bars
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GE OHV AC Control System Events, Historical Counters and Profiles Information
2. EVENT LISTS
The Event Lists are separated in to four categories: DSC/PSC Event List (000 - 099), Inverter Events (Xx00 - Xx99),
Additional System Events/DSC Events (500 - 599), and DSC/TCI Event List (600 - 699). These categories are the four
control areas that Events are identified by the Control System and active Events are displayed on the DID panel.
Events are notification that an unusual situation or limits of the Control System have been exceeded. Events may not
affect the truck operation and are informational Events only. Other Events, frequently referred to as Faults, may
restrict or inhibit truck operation.
The categories of the Event Tables are:
1. EVENT # - This column represents the three digit code event.
2. SUBCODE - This column represents the sub-codes for each Event #.
3. EVENT DESCRIPTION - This column describes the parameters monitored for each Event.
4. RESTRICTION- This column describes the control system action resulting from an Event. Restrictions have been
defined for each Event List section.
5. CAUSE OR DEFINITION — A brief description of likely causes of the Event. 
6. AUTO RESET — This column defines if the control system will reset a particular Event and continue operating. 
7. OPER. RESET — This column display if the Operator is able to reset a restrictive Event and how many times the
Operator can reset the particular Event. Zero (0) represents the operator is not required or unable to reset a par-
ticular Event. 
2.1. DSC/PSC EVENT LIST (000 - 099)
2.1.1. RESTRICTIONS
This restriction is associated with the detection of the given event.
Possible restrictions associated with a PSC event are defined as follows:
Table 1. Restrictions
RESTRICTION OR ACTION DEFINITION OF RESTRICTED STATES
NO_PROPEL ”NO PROPEL” (Red) light illuminated in operator Cab. No propulsion effort 
allowed, however, retard effort and DC link energization allowed. 
NO_POWER ”NO RETARD” (Red) Light illuminated in operator Cab. No Propulsion effort 
and No retard effort allowed. DC Link is de-energized.
SPD_LIM /
SYSWARN
”Propel System Caution” (Yellow) light illuminated in operator Cab. Propel, 
Retard and DC link energization still allowed. The truck is under a speed limit 
restriction of 10/15 MPH (16/24KPH).
SPDLIM_LOW Speed limit set to lower speed point of 5 MPH(8KPH).
INVx_OFF When Active, prohibits the system from enabling Inverter X’s run drive 
signal.
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GE OHV AC Control System Events, Historical Counters and Profiles Information
Note: For Restriction, wherever ramps are indicated, timing for Short ramp is Zero second, Medium Ramp is 1.2
seconds and Long Ramp is 2.4 second.
2.1.2. DSC/PSC Event List (000 - 099)
The following is the Event List for the DSC/PSC propulsion portion of the Control System.
Table 2. DSC/PSC Event List
ENGSPD_ RP When Active, raises the engine speed to account for a possible stuck RP 
contactor/chopper, and closes RP1/CM1
SYSEVENT There are no Restrictions. Event is for informational purposes only.
DELAYED_SHTDWN Indicates a NO_PROPEL/NO_RETARD is imminent. Note, delayed shutdown 
restrictions have an Operator Override feature where after the truck comes 
to a stop the operator can operate the truck with a 50% torque de-rate and 
5 MPH(8KPH) speed limit by holding down the Dump Override / Reset switch. 
Unloaded truck can be operated for 5 minutes and loaded truck can be 
moved 100M or 3 minutes. RETARD NOT AVAILABLE IN THIS MODE.
LOADBOX_DIS Loadbox is disabled.
NO_RETARD Retard mode is restricted.
EVENT #
SUB 
CODE
EVENT 
DESCRIPTION
RESTRICTION CAUSE OR DEFINITION
AUTO 
RESET
OPER. 
RESET
2 1 Ground Fault
NO_POWER 
(long ramp)
Power cable or traction motor
fields current leakage to 
ground exceeded limit
NO 1
3 1
Excessive Alterna-
tor Field Transient
NO_POWER 
(short ramp)
AC Ripple in alternator DC 
excitation power
NO 1
4 1
GF Cutout or Propel 
Lockout – GF Cutout 
Active
SYSEVENT GF Cutout Switch Active NO 0
4 2
CF Cutout or Propel 
Lockout – Prop lock-
out Active
SYSEVENT Propel Lockout Switch is Active NO 0
4 3
CF Cutout or Propel 
Lockout – Prop 
lockout Error
SYSEVENT Propel Lockout Switch Error NO 0
5 1
Drive System Over-
temp - AFSE
NO_PROPEL 
(long_ramp)
The AFSE panel indicates high
temperature (measured)
NO 0
5 2
Drive System Over-
temp – Aux. Inverter
NO_PROPEL 
(long_ramp)
Aux Inverter (if equipped) indi-
cates
high temperature
NO 0
Table 1. Restrictions
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5
3
Drive System Over-
temp – Aux. Phase 
Control
NO_PROPEL 
(long_ramp)
Aux Blower (if equipped)
phase control indicates high 
temperature
NO 0
5 4
Drive System Over-
temp - Alternator
NO_PROPEL 
(long_ramp)
Alternator indicates over tem-
perature (calculated)
NO 0
5 5
Drive System Over-
temp - Left Stator
NO_PROPEL 
(long_ramp)
TM1 (left) stator indicates high 
temperature (calculated)
NO 0
5 6
Drive System Over-
temp - Left Rotor
NO_PROPEL 
(long_ramp)
TM1 (left) rotor indicates high
temperature (calculated)
NO 0
5 7
Drive System Over-
temp - Right Stator
NO_PROPEL 
(long_ramp)
TM2 (right) stator indicates
high temperature (calculated)
NO 0
5 8
Drive System Over-
temp - Right Rotor
NO_PROPEL 
(long_ramp)
TM2 (right) rotor indicates
high temperature (calculated)
NO 0
5 9
Drive System Over-
temp – Chopper 
Module
NO_PROPEL 
(long_ramp)
CM1 or CM2 indicates Chop-
per
Module IGBT high temperature 
(calculated)
NO 0
5 10
Drive System Over-
temp – Chopper 
Diode
NO_PROPEL 
(long_ramp)
CD1 or CD2 indicates Chopper
diode high temperature
(calculated)
NO 0
5 11
Drive System Over-
temp – Left Phase 
Module
NO_PROPEL 
(long_ramp)
Inverter 1 indicates high
phase module temperature
(calculated)
NO 0
5 12
Drive System Over-
temp - Left Diode
NO_PROPEL 
(long_ramp)
Inverter 1 indicates high diode 
temperature (calculated)
NO 0
5 13
Drive System Over-
temp – Right Phase 
Module
NO_PROPEL 
(long_ramp)
Inverter 2 indicates high
phase module temperature 
(calculated)
NO 0
5 14
Drive System Over-
temp - Right Diode
NO_PROPEL 
(long_ramp)
Inverter 2 indicates high diode 
temperature (calculated)
NO 0
5 15
Drive System Over-
temp - Rectifier 
Diode
NO_PROPEL 
(long_ramp)
A diode within the Rectifier
Diode panel or Rectifier Diode
module indicates high tem-
perature(Calculated)
NO 0
5 28
Drive System Over-
temp – H-Bridge Pri-
mary
NO_PROPEL 
(long_ramp)
H-Bridge Primary indicates 
high temperature(calculated)
NO 0
5 29
Drive System Over-
temp – H-Bridge 
Secondary
NO_PROPEL 
(long_ramp)
H-Bridge secondary indicates 
high temperature(calculated)
NO 0
5 30
Drive System Over-
temp – Transformer 
Primary
NO_PROPEL 
(long_ramp)
Transformer Primary RTD indi-
cates high temperature(RTD)
NO 0
EVENT #
SUB 
CODE
EVENT 
DESCRIPTION
RESTRICTION CAUSE OR DEFINITION
AUTO 
RESET
OPER. 
RESET
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GE OHV AC Control System Events, Historical Counters and Profiles Information
5 31
Drive System Over-
temp – Transformer 
Secondary
NO_PROPEL 
(long_ramp)
Transformer secondary RTD 
indicates high tempera-
ture(RTD)
NO 0
5 32
Drive System Over-
temp – CBI 1(Con-
trol) IGBT
NO_PROPEL 
(long_ramp)
Control group cooling blower 
inverter 1 IGBT indicates high 
temperature (calculated)
NO 0
5 33
Drive System Over-
temp – CBI 1(Con-
trol) Diode
NO_PROPEL 
(long_ramp)
Control group cooling blower 
inverter 1 Diode indicates high 
temperature (calculated)
NO 0
5 34
Drive System Over-
temp – CBI 2 (Wheel) 
IGBT
NO_PROPEL 
(long_ramp)
Wheel motor cooling blower 
inverter2 IGBT indicates high 
temperature (calculated)
NO 0
5 35
Drive System Over-
temp – CBI 2 (Wheel) 
Diode
NO_PROPEL 
(long_ramp)
Wheel motor cooling blower 
inverter2 Diode indicates high 
temperature (calculated)
NO 0
5 36
Drive System Over-
temp – CBI 3 (Grid 1) 
IGBT
NO_PROPEL 
(long_ramp)
Grid motor 1 -cooling blower 
invereter3 IGBT indicates high 
temperature (calculated)
NO 0
5 37
Drive System Over-
temp - CBI 3 (Grid 1) 
Diode
NO_PROPEL 
(long_ramp)
Grid motor 1 -cooling blower 
invereter3 Diode indicates 
high temperature (calculated)
NO 0
5 38
Drive System Over-
temp - CBI 4 (Grid 2) 
IGBT
NO_PROPEL 
(long_ramp)
Grid motor 2 -cooling blower 
invereter4 IGBT indicates high 
temperature (calculated)
NO 0
5 39
Drive System Over-
temp - CBI 4 (Grid 2) 
Diode
NO_PROPEL 
(long_ramp)
Grid motor 2 -cooling blower 
invereter4 Diode indicates 
high temperature (calculated)
NO 0
6 1
Both Inverter Comm 
Failed – Inv. Comm 
Fault
NO_POWER 
(med ramp)
Communications failure
between DSC or PSC and both 
Inverter CPU cards
NO 2
7 1
Alternator Field 
Grounded
SPD_LIM
Alternator Field circuit 
grounded 
NO 1
8 1
DC Link Overvolt-
age– Not in Retard
NO_POWER 
(short ramp)
Over voltage occurred on the
DC Link while in the PROPEL or
NO MOTION mode.
NO 2
8 2
DC Link Overvolt-
age – In Retard
NO_POWER 
(short ramp)
Over voltage condition
occurred on the DC Link while
in the RETARD mode
NO 2
8 3
DC Link Overvolt-
age - Instantaneous
NO_POWER 
(short ramp)
Instantaneous over
voltage condition occurred in
the DC Link (regardless of 
operating mode)
NO 2
EVENT #
SUB 
CODE
EVENT 
DESCRIPTION
RESTRICTION CAUSE OR DEFINITION
AUTO 
RESET
OPER. 
RESET
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GE OHV AC Control System Events, Historical Counters and Profiles Information
9 1
Alt Field Overcur-
rent – Normal
NO_POWER 
(short ramp)
Alternator field excitation
current excessive for an
extended period
NO 2
9 2
Alt Field Overcur-
rent - Instantaneous
NO_POWER 
(short ramp)
Alternator field excitation
current instantaneously
excessive
NO 2
9 3
Alt Field Overcur-
rent – Low eng 
speed
NO_POWER 
(short ramp)
Alternator field excitation
current excessive for low 
engine RPM
NO 2
9 4
Alt Field Overcur-
rent – Instant – Low 
Eng Spd
NO_POWER 
(short ramp)
Alternator field excitation
current instantaneously
excessive for low engine RPM
NO 2
10 1
H-Bridge Fault – 
Failed to turn on
INV3_OFF
DAB (H-bridge) failed to turn 
on
NO 2
11 1
Retard Lever Bad – 
Voltage too high
SYSEVENT
The feedback from the Retard
Lever (if equipped) is higher
than expected
NO 0
11 2
Retard Lever Bad – 
Voltage too low
SYSEVENT
The feedback from the Retard
Lever (if equipped) is lower
than expected
NO 0
12 1
Retard Pedal Bad – 
Voltage too High
SYSEVENT
Retard Pedal feedback higher 
than expected
NO 0
12 2
Retard Pedal Bad – 
Voltage too Low
SYSEVENT
Retard Pedal feedback lower 
than expected
NO 0
13 1
Midvolt Failure – Pri-
mary LinkV Too High
NO_POWER 
(med ramp)
Mid–Volt Test was disabled
due to Primary DC Link volts 
being out of range
YES 2
13 2
Midvolt Failure – 
Secondary LinkV 
Too High
NO_POWER 
(med ramp)
Mid–Volt Test was disabled
due to Secondary DC Link volts 
being out of range 
YES 2
14 1
Analog Sensor Fault 
– Alt Field Amps
SPD_LIM
The Alternator field current is 
out of the expected range
NO 0
14 2
Analog Sensor Fault 
– Link I - Range 
SPD_LIM
The DC Link current is out of 
the expected range
NO 0
14 3
Analog Sensor Fault 
– GRID I - Range 
SPD_LIM
Load box current is out of the
expected range
NO 0
14 4
Analog Sensor Fault 
– 3 Phase Alt Volts
SPD_LIM
Alternator three phase output 
voltage is out of expected 
range
NO 0
14 5
Analog Sensor Fault 
– Alt Field Volts
SPD_LIM
Alternator excitation field
voltage is out of expected
range
NO 0
EVENT #
SUB 
CODE
EVENT 
DESCRIPTION
RESTRICTION CAUSE OR DEFINITION
AUTO 
RESET
OPER. 
RESET
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14 10
Analog Sensor Fault 
– PSC Link Volts
SPD_LIM
DC Link voltage is out of
expected range
NO 0
14 11
Analog Sensor Fault 
– INV1 Link Volts
SPD_LIM
Voltage to Inverter 1 is out of 
expected range
NO 0
14 12
Analog Sensor Fault 
– INV2 Link Volts
SPD_LIM
Voltage to Inverter 2 is out of 
expected range
NO 0
14 13
Analog Sensor Fault 
– Ground Fault
SPD_LIM
The ground connection to the 
DSC or PSC Analog I/O card 
has been lost
NO 0
14 14
Analog Sensor Fault 
– Gain Check
SPD_LIM
The 10 volt DC power to the
DSC or PSC Analog I/O card 
has been lost
NO 0
14 15
Analog Sensor Fault 
– Ground Fault Cur-
rent
SPD_LIM
The ground fault amps output 
from DSC or PSC Analog I/O 
card is out of range
NO 0
14 16
Analog Sensor Fault 
– ATOC ma 
SPD_LIM
Alternator tertiary amps from
DSC or PSC Analog I/O card is 
out of
expected range
NO 0
14 21
Analog Sensor Fault 
– Blower 1 Amps
SPD_LIM
The grid blower motor 1
current is out of expected
range
NO 0
14 22
Analog Sensor Fault 
– Blower 2 Amps
SPD_LIM
The grid blower motor 2 (if
equipped) current is out of
expected range
NO 0
15 2
Analog Sensor Fault 
(restrictive) – Link 
Amps
NO_POWER 
(med ramp)
The DC Link current is out of 
expected range
NO 2
16 1
System CPU Fault 
(FB147/ FB174 –
Task 1
NO_POWER 
(med ramp)
 PSC CPU card problem 
detected
NO 2
16 2
System CPU Fault 
(FB147/ FB174 ) – 
Task2
NO_POWER 
(med ramp)
PSC CPU card problem 
detected
NO 2
16 3
System CPU Fault 
(FB147/ FB174 –
 Task 3
NO_POWER 
(med ramp)
 PSC CPU card problem 
detected
NO 2
16 4
System CPU Fault 
(FB147/ FB174 ) – 
Task 4
NO_POWER 
(med ramp)
 PSC CPU card problem 
detected
NO 2
16 5
System CPU Fault 
(FB147/ FB174 ) – 
Task 5
NO_POWER 
(med ramp)
 PSC CPU card problem 
detected
NO 2
EVENT #
SUB 
CODE
EVENT 
DESCRIPTION
RESTRICTION CAUSE OR DEFINITION
AUTO 
RESET
OPER. 
RESET
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16 6
System CPU Fault 
(FB147/ FB174 ) – 
Task 6
NO_POWER 
(med ramp)
 PSC CPU card problem 
detected
NO 2
16 7
System CPU Fault 
(FB147/ FB174 ) – 
Flash CRC
NO_POWER 
(med ramp)
 PSC CPU card problem 
detected
NO 2
16 9
System CPU Fault 
(FB147/ FB174 ) – 
Maint Task
NO_POWER 
(med ramp)
 PSC CPU card problem 
detected
NO 2
16 10
System CPU Fault 
(FB147/ FB174 ) – 
Excess Timeouts
NO_POWER 
(med ramp)
 PSC CPU card software or I/O 
communication
NO 2
16 11
System CPU Fault 
(FB147/ FB174 ) – 
Invalid pointers
NO_POWER 
(med ramp)
 PSC CPU card initialization 
problem
NO 2
16 12
System CPU Fault 
(FB147/ FB174 ) –
BRAM CRC 
NO_POWER 
(med ramp)
 PSC CPU card BRAM Problem NO 2
17 1
Digital I/O Card 
Fault ( FB104)
NO_POWER 
(med ramp)
DSC or PSC CPU card has lost 
communication with DSC or 
TCI Digital I/O card
NO 2
18 1
Analog I/O Card 
Fault ( FB143) – No 
Response
NO_POWER 
(med_ramp)
(2700 only)
DSC or PSC Analog I/O card is
missing or not seated in the
card slot
NO 2
18 2
Analog I/O Card 
Fault ( FB143) – Ana-
log Card Timeout
NO_POWER 
(med_ramp)
(2700 only)
DSC or PSC CPU card has lost 
communication with DSC or 
TCI Analog I/O card
NO 2
19 1
Incorrect Hillstart 
Sequence – Riding 
retard pedal
SYS_EVENT
Acceleration Pedal and
Retard/Brake Pedal are both 
activated above 7 mph (11.2 
kph)
NO 0
19 2
Incorrect Hillstart 
Sequence – Exces-
sive roll back
SYS_EVENT
Excessive rollback when 
attempting to Hillstart
NO 0
20 1
High Torque Time-
out – Low Speed
NO_PROPEL 
(long_ramp)
One of the Traction Motors
(TM1 or TM2) has time out on a 
high torque level
NO 0
21 1
TCI Comm fault – No 
periodic data
NO_PROPEL 
(med ramp)
No periodic data received 
from TCI for 1 second
YES 0
22 1
Persistent TCI Comm 
Fault – No periodic 
data while stopped
NO_POWER 
(short ramp)
Persistent communication loss 
with TCI
NO 2
EVENT #
SUB 
CODE
EVENT 
DESCRIPTION
RESTRICTION CAUSE OR DEFINITION
AUTO 
RESET
OPER. 
RESET
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23 Tertiary Overcurrent
NO_POWER 
(short ramp)
The Tertiary single phase AC 
alternator output current is 
high
NO 2
24 1
GE Config File – File 
Not Loaded 
NO_POWER 
(long_ramp)
DSC or PSC CPU Card does not
detect a valid configuration
file loaded
NO 0
24 3
GE Config File – 
Wrong version 
loaded
NO_POWER 
(long_ramp)
DSC or PSC CPU Card does not
detect a valid configuration
file loaded
NO 0
24 4
GE Config File – 
Overspeed settings 
incorrect
NO_POWER 
(long_ramp)
Overspeed settings incorrect NO 0
24 5
GE Config File – 
Panel type does not 
match config
NO_POWER 
(long_ramp)
Software panel type does not 
match actual pane l(config 
issue)
NO 0
24 6
GE Config File – 
Error in config file
NO_POWER 
(long_ramp)
Error in config file NO 0
24 7
GE Config File – DAB 
requires 190B1 or 
later hw
NO_POWER 
(long_ramp)
Dual Active Bridge for second-
ary DC bus needs 190B1or 
later hardware
NO 0
 24 8
GE Config File – 
FL489 requires 
190C1 or later card
NO_POWER 
(long_ramp)
FL489 requires 190C1 or later 
card
NO 0
24 9
GE Config File – Old 
Version
NO_POWER 
(long_ramp)
Config File - Old Version NO 0
24 10
GE Config File – Sta-
tex Config not 
loaded
NO_POWER 
(long_ramp)
Statex config file not loaded NO 0
24 11
GE Config File – 
Config requires a 
license
NO_POWER 
(long_ramp)
Configuration requires a 
License
NO 0
24 12
GE Config File – 
Mine code not set
NO_POWER 
(long_ramp)
Mine code not set (RM&D only) NO 0
EVENT #
SUB 
CODE
EVENT 
DESCRIPTION
RESTRICTION CAUSE OR DEFINITION
AUTO 
RESET
OPER. 
RESET
10 GE Proprietary and Confidential Information
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
25 1
Aux Blower System 
– Not running
NO_POWER 
(med ramp)
2700, 150, or 
200
The Aux Blower system not
running
NO 2
25 2
Aux Blower System 
– Numerous Shut-
downs
NO_POWER 
(med ramp)
2700, 150, or 
200
The Aux Blower system has
numerous shutdowns
NO 2
26 1
Filter cap overpres-
sure – Inv 1
NO_POWER 
(med ramp)
(930E-1/2 only)
Capacitor in Inverter 1
system over pressure
(930E-1/2 only)
NO 0
26 2
Filter cap overpres-
sure – Inv 2
NO_POWER 
(med ramp)
(930E-1/2 
only)
Capacitor in Inverter 2
system over pressure
(930E-1/2 only)
NO 0
27 1
Connection Error - 
CNFB
NO_POWER 
(med ramp)
One or more of the ICP panel
connectors (CNA - CNF) is not
connected or loose
NO 2
27 2
Connection Error – 
CNI/CNX (3500 NP/
150 T)
NO_POWER 
(med ramp)
One or more of the CNX (CNX1
- CNX5) connectors is not
connected or loose
NO 2
27 3
Connection Error – 
Aux Blower Connec-
tor
NO_POWER 
(med ramp)
Aux Bower (if equipped)
CNXFB connector is not
connected or loose
NO 2
28 1
Hyd Blower System 
Fault – Not Running
SPD_LIM
Hydraulic blower system Not 
OK or no speed feedback
NO 1
29
Bad Direction Com-
mand
NO_PROPEL 
(mid ramp)
Torque Command polarity
does not match direction
request for an extended time
NO 1
30 GF Contactor SPD_LIM
GF contactor and
feedback do not agree
NO 2
31 1
Battery Boost Circuit 
– GFR Failed to Open
SPD_LIM GFR failed to open NO 2
31 2
Battery Boost Circuit 
– GFR Failed to 
Close, R1 Open, or 
AFSE SCR3 failure
SPD_LIM
GFR commanded to close
with AFSE enabled but no DC 
Link power
NO 2
31 3
Battery Boost- SCR3 
Failed
SPD_LIM AFSE panel or SCR3 shorted NO 2
32 1 RP Contactor – RP 1
SPD_LIM & 
ENGSPD_RP
RP1 comand does not match 
the RP1 feedback (aux contact 
if used or calculated)
NO 2
EVENT #
SUB 
CODE
EVENT 
DESCRIPTION
RESTRICTION CAUSE OR DEFINITION
AUTO 
RESET
OPER. 
RESET
GE Proprietary and Confidential Information 11
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
32 2 RP Contactor – RP2
SPD_LIM & 
ENGSPD_RP
RP2 comand does not match 
the RP2 feedback (aux contact 
if used or calculated)
NO 2
32 3 RP Contactor – RP3
SPD_LIM & 
ENGSPD_RP
RP3 comand does not match 
the RP3 feedback (aux contact 
if used or calculated)
NO 2
33 1
RP or Chopper HP 
Balance – May be 
shorted/stuck
SPD_LIM & 
ENGSPD_RP
HP Imbalance due to Chopper 
Module shorted/ RP contactor 
stuck
NO 2
33 2
RP or Chopper HP 
Balance – Choppers 
stuck on
SPD_LIM & 
ENGSPD_RP
HP Imbalance due to Chopper 
Module on
without CM2 closure
NO 2
34 1
Retard Power Cir-
cuit – Detected High 
Chopper Percent ON 
– RP2 may not have 
closed
SPD_LIM
Detected High Chopper
Percent ON - CM2/RP2 may be 
inoperable
NO 2
34 2
Retard Power Cir-
cuit – Overvoltage 
Protection Active
SPD_LIM
Overvoltage Protection Active
- CM2/RP2 may be inoperable
NO 2
34 3
Retard Power Cir-
cuit – Link Discharg-
ing Error – RP2 may 
not have closed
SPD_LIM
Link Discharging Error - CM2/
RP2 may be inoperable
NO 2
34 4
Retard Power Cir-
cuit – Choppers 
stuck on
SPD_LIM A Chopper Module is stuck on NO 2
35 Engine Speed Input SPD_LIM
The Engine Speed Sensor (ESS) 
is out of the expected range
NO 0
36 1
Grid Blower – Blower 
1 stall 
NO_POWER 
(long ramp)
Grid Blower Motor 1 Stall
(excessive current)
NO 2
36 2
Grid Blower – Blower 
2 stall
NO_POWER 
(long ramp)
Grid Blower Motor 2 (if
equipped) Stall (excessive
current)
NO 2
36 3
Grid Blower – Blower 
1 open
NO_POWER 
(long ramp)
Grid Motor 1 open circuit or
DC Link and Inverter
Imbalance
NO 2
36 4
Grid Blower – Blower 
2 open
NO_POWER 
(long ramp)
Grid Motor 2 (if equipped)
open circuit or DC Link and
Inverter imbalance
NO 2
36 5
Grid Blower – Blower 
1 & 2 delta too large
NO_POWER 
(long ramp)
The current of BM1 and BM2 (if 
equipped) unequal
NO 2
36 7
Grid Blower – Blow-
ers off with grid I
NO_POWER 
(long ramp)
Grid current without
blower operation
NO 2
EVENT #
SUB 
CODE
EVENT 
DESCRIPTION
RESTRICTION CAUSE OR DEFINITION
AUTO 
RESET
OPER. 
RESET
12 GE Proprietary and Confidential Information
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
36 8
Grid Blower – AC 
Blower speed too 
low
NO_POWER 
(long ramp)
AC Grid blower speed is too 
low
NO 2
37 1
Logic Power Supply 
– +5V
SPD_LIM
Positive (+) 5 VDC power
supply fault
NO 0
37 2
Logic Power Supply 
– +15V
SPD_LIM
Positive (+) 15 VDC power
supply fault
NO 0
37 3
Logic Power Supply 
– -15V
SPD_LIM
Negative (–) 15 VDC power
supply fault
NO 0
37 4
Logic Power Supply 
– +24V
SPD_LIM
Positive (+) 24 VDC power
supply fault
NO 0
37 5
Logic Power Supply 
– -24V
SPD_LIM
Negative (–) 24 VDC power
supply fault
NO 0
38 1
Logic Power Supply 
(instant) – +5V
SPD_LIM
Positive (+) 5 VDC power
supply fault
NO 2
38 2
Logic Power Supply 
(instant) - +15V
SPD_LIM
Positive (+) 15 VDC power
supply fault
NO 2
38 3
Logic Power Supply 
(instant) - -15V
SPD_LIM
Negative (–) 15 VDC power
supply fault
NO 2
38 4
Logic Power Supply 
(instant) - +24V
SPD_LIM
Positive (+) 24 VDC power
supply fault
NO 2
38 5
Logic Power Supply 
(instant) - -24V
SPD_LIM
Negative (–) 24 VDC power
supply fault
NO 2
39 1
Grid Blower I Delta 
Too Large
SPD_LIM
Delta current between dc grid 
blower 1 and blower 2 is too 
high
NO 2
40 1
Grid Current w/o 
Blowers – Measured 
GRIDI 
NO_PROPEL 
(long_ramp)
Grid current without required 
grid blower speed
NO 0
41 1
Shorter Chopper 
Suspected – Amps > 
than Expected
SPD_LIM ENG-
SPD_RP LDBX-
_DIS
Suspect shorted chopper NO 2
42 1
Direction Requested 
in Selfload
NO_PROPEL 
(med_ramp)
A truck direction (forward or
reverse) was selected while in 
Load Box mode
NO 0
43 1
Propulsion Battery 
Voltage Low – 
Engine Off
SPD_LIM
Battery power from the truck 
batteries is below 20VDC with 
Engine OFF
NO 0
43 2
Propulsion Battery 
Voltage Low – 
Engine On
SPD_LIM
Battery power from the truck 
batteries is below 20VDC with 
Engine ON
NO 0
44 1
Propulsion Battery 
Voltage High
SYSEVENT
Battery power from the truck 
batteries is above 35VDC
NO 2
EVENT #
SUB 
CODE
EVENT 
DESCRIPTION
RESTRICTION CAUSE OR DEFINITION
AUTO 
RESET
OPER. 
RESET
GE Proprietary and Confidential Information 13
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
45 1
Chopper Open Cir-
cuit – Chopper 1
SPD_LIM
Chopper Module 1 (CM1) Open 
Circuit 
NO 0
45 2
Chopper Open Cir-
cuit – Chopper 2
SPD_LIM
Chopper Module 2 (CM2) Open 
Circuit 
NO 0
45 3
Chopper Open Cir-
cuit – Chopper 3
SPD_LIM
Chopper Module 3 (CM3) Open 
Circuit 
NO 0
45 4
Chopper Open Cir-
cuit – Chopper 4
SPD_LIM
Chopper Module 4 (CM4) Open 
Circuit 
NO 0
46 1 Retard Circuit Short
SPD_LIM ENG-
SPD_RP
A short between DC Link and 
Dynamic Retarding resistors, 
(speed & RPM reduced)
NO 0
47 1 Engine Stall
NO_POWER 
(med ramp)
Restrictive, The engine RPM
has dropped below minimum
allowable RPM
NO 2
48 1
DC Link Charging 
Error - Shorted DC 
Link at Startup
NO_POWER 
(short ramp)
The DC Link voltage remained 
below 50
VDC after battery boost 
enabled
YES 2
48 2
DC Link Charging 
Error –AFSE Com-
mand at full for too 
long
NO_POWER 
(short ramp)
AFSE Command at Full for too 
long
YES 2
49 1
Loss of Comm - 
Engine CAN Network
SPDLIM_LOW 
LOADBOX_DIS
Loss of communication -
engine CAN network
NO 0
50 1
Loss of Comm - OEM 
CAN Network
SYSEVENT
Loss of communication – OEM 
CAN network
NO 0
51 1
Tach Left Rear – 
Zero While Moving
INV1_OFF
Left rear wheel SS1
indicates zero speed while 
other
speed sensors indicate speed
NO 0
51 2
Tach Left Rear – 
High While Stopped
INV1_OFF
Left rear wheel SS1
indicates speed while other
speed sensors indicate 0
NO 0
52 1
Tach Right Rear – 
Zero While Moving
INV2_OFF
Right rear wheel SS2
indicates zero speed while 
other
speed sensors indicate speed
NO 0
52 2
Tach Right Rear – 
Zero While Moving
INV2_OFF
Right rear wheel SS2
indicates speed while other
speed sensors indicate 0
NO 0
53 1
Tach Left Front – 
Zero While Moving
SYSEVENT
Left front wheel SS3
indicates zero speed while 
other
speed sensors indicate speed
NO 0
EVENT #
SUB 
CODE
EVENT 
DESCRIPTION
RESTRICTION CAUSE OR DEFINITION
AUTO 
RESET
OPER. 
RESET
14 GE Proprietary and Confidential Information
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
53 2
Tach Left Front – 
High While Stopped
SYSEVENT
Left front wheel SS3
indicates speed while other
speed sensors indicate 0
NO 0
53 3
Tach Left Front – 
Numerous Bad 
Pulses While Moving
SYSEVENT
Left front wheel SS3 indicates
a higher rate of speed change 
than other sensors
NO 0
54 1
Tach Right Front – 
Zero While Moving
SYS_EVENT
Right front wheel SS4
indicates zero speed while 
other
speed sensors indicate speed
NO 0
54 2
Tach Right Front – 
High While Stopped
SYS_EVENT
Right front wheel SS4
indicates speed while other
speed sensors indicate 0
NO 0
54 3
Tach Right Front – 
Numerous Bad 
Pulses While Moving
SYS_EVENT
Right front wheel SS4
indicates a higher rate of
speed change than other
sensors
NO 0
55 1 Front Wheel Tachs SYS_EVENT
Front speed sensors
(SS3 & SS4) zero speed while 
rear speed sensors (SS1 & SS2) 
show speed
NO 0
56 1
Incorrect SW Ver 
Loaded –Inv 1
SYSEVENT
Inverter 1 software is
incorrect
NO 0
56 2
Incorrect SW Ver 
Loaded –Inv 2
SYSEVENT
Inverter 2 software is
incorrect
NO 0
56 3
Incorrect SW Ver 
Loaded –Inv 3
SYSEVENT
 Inverter 3(DAB) software is
incorrect
NO 0
57 1
Inverter 1 SW Type 
Incorrect
INV1_OFF
Inverter 1
software type does not match 
what is expected
NO 0
58 1
Inverter 2 SW Type 
Incorrect
INV2_OFF
Inverter 2
software type does not match 
what is expected
NO 0
59
Inverter 3 SW Type 
Incorrect
INV3_OFF
Inverter 3 (DAB)
software type does not match
what is expected
NO 0
61 1
Wheel Motor Over-
speed
SYSEVENT
One or more of the wheel
speed sensors indicate truck 
speed is above allowable limit 
of 46 mph
NO 2
61 2
Speed Control Over-
speed
SYSEVENT
Truck speed is greater than 
active overspeed setting
NO 2
62 3
Engine Inducement 
Active – Initial Level
Speed limit 
75% HP 
restriction
Tier4 engine inducement ini-
tial level active 75% HP restric-
tion
NO 0
EVENT #
SUB 
CODE
EVENT 
DESCRIPTION
RESTRICTION CAUSE OR DEFINITION
AUTO 
RESET
OPER. 
RESET
GE Proprietary and Confidential Information 15
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
62 4
Engine Inducement 
Active – Secondary 
Level
Speed limit
50% HP reduc-
tion
Tier4 engine inducement sec-
ondary level active 50% HP 
restriction
NO 0
62 5
Engine Inducement 
Active – Final Level
No propel
Tier4 engine inducement final 
level active, No-Propel restric-
tion
NO 0
62 6
Engine Inducement 
Active – Induce-
ment Overridden
SYSEVENT
Tier4 engine inducement 
overiden
NO 0
63 1
Engine Load Signal 
Fault – Below Min
SYSEVENT
Engine analog load signal
below minimum
NO 5
63 2
Engine Load Signal 
Fault – Above Max
SYSEVENT
Engine analog load signal
above maximum
NO 5
63 3
Engine Load Signal 
Fault – PWM Low
SYSEVENT
Engine PWM load signal
below minimum
NO 5
63 4
Engine Load Signal 
Fault – PWM High
SYSEVENT
Engine PWM load signal
above maximum
NO 5
63 5
Engine Load Signal 
Fault – PWM Wrong 
Period
SYSEVENT
Engine PWM load signal
frequency incorrect
NO 5
63 6
Engine Load Signal 
Fault – PWM Wrong 
Readings
SYSEVENT
Engine PWM load signal
frequency inconsistent
NO 5
64 1
Excessive High 
Torque Operation
SPD_LIM
Truck life impacted by high 
torque events causing cumu-
lative damage to drive 
system. Possible causes are 
excess payload, high rolling 
resistance, steep grades or 
operating with a single 
inverter. Auto resets when 
load is dumped or condition 
subsides.
Yes 0
65 1
Analog Input Range 
Check – AFSE temp 
sensor
SPD_LIM
The Alternator Field Static 
Exciter (AFSE) temperature is 
out of range (actual)
NO 2
65 2
Analog Input Range 
Check – Aux Inv 
Temp Sensor
SPD_LIM
The Auxiliary Inverter (if
equipped) temperature is out 
of range (calculated
NO 2
65 3
Analog Input Range 
Check – Aux PC 
Temp Sensor
SPD_LIM
The Aux Inverter Phase
Control (if equipped)
temperature is out of range
(calculated)
NO 2
EVENT #
SUB 
CODE
EVENT 
DESCRIPTION
RESTRICTION CAUSE OR DEFINITION
AUTO 
RESET
OPER. 
RESET
16 GE Proprietary and Confidential Information
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
65 4
Analog Input Range 
Check – Alternator
SPD_LIM
Traction Alternator
temperature is out of range
(calculated)
NO 2
65 5
Analog Input Range 
Check – Left Stator
SPD_LIM
Left wheel (TM1) stator
temperature is out of range
(calculated)
NO 2
65 6
Analog Input Range 
Check – Left Rotor
SPD_LIM
Left wheel (TM1) rotor
temperature is out of range
(calculated)
NO 2
65 7
Analog Input Range 
Check – Right Stator
SPD_LIM
Right wheel (TM2) stator
temperature is out of range
(calculated)
NO 2
65 8
Analog Input Range 
Check – Right Rotor
SPD_LIM
Right wheel (TM2) rotor
temperature is out of range
(calculated)
NO 2
65 9
Analog Input Range 
Check – Chopper 
Module
SPD_LIM
Chopper Module (CM1 or CM2) 
temperature is out of range 
(calculated)
NO 2
65 10
Analog Input Range 
Check – Chopper 
Diode
SPD_LIM
Chopper diode (CD1 or CD2) 
temperature is out of range 
(calculated)
NO 2
65 11
Analog Input Range 
Check – Left Phase 
Module
SPD_LIM
Inverter 1 IGBT temperatures
are out of range (calculated)
NO 2
65 12
Analog Input Range 
Check – Left Diode
SPD_LIM
Inverter 1 diode temperatures
are out of range (calculated)
NO 2
65 13
Analog Input Range 
Check – Right Phase 
Module
SPD_LIM
Inverter 2 IGBT temperatures
are out of range (calculated)
NO 2
65 14
Analog Input Range 
Check – Right Diode
SPD_LIM
Inverter 2 diode temperatures
are out of range (calculated)
NO 2
65 15
Analog Input Range 
Check – Rectifier 
Diode
SPD_LIM
Rectifier Module (RMA, B, C) or
Rectifier Panel (RD)
temperatures are out of range
NO 2
65 28
Analog Input Range 
Check – H-Bridge 
Primary
SPD_LIM
H-Bridge primary analog input 
out of range
NO 2
65 29
Analog Input Range 
Check – H-Bridge 
Secondary
SPD_LIM
H-Bridge secondary analog 
input out of range
NO 2
65 30
Analog Input Range 
Check – Trans-
former (Pri)
SPD_LIM
Transformer Primary tempera-
ture is out of range
NO 2
EVENT #
SUB 
CODE
EVENT 
DESCRIPTION
RESTRICTION CAUSE OR DEFINITION
AUTO 
RESET
OPER. 
RESET
GE Proprietary and Confidential Information 17
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
65 31
Analog Input Range 
Check – Trans-
former (Sec)
SPD_LIM
Transformer Secondary tem-
perature is out of range
NO 2
65 32
Analog Input Range 
Check – CBI 1 (Con-
trol) IGBT
SPD_LIM
Control group cooling blower 
inverter 1 IGBT temperature is 
out of range (calculated)
NO 2
65 33
Analog Input Range 
Check – CBI 1 (Con-
trol) Diode
SPD_LIM
Control group cooling blower 
inverter 1 diode temperature 
is out of range(calculated)
NO 2
65 34
Analog Input Range 
Check– CBI 2 
(Wheel) IGBT
SPD_LIM
Wheel motor cooling blower 
inverter2 IGBT temperature is 
out of range(calculated)
NO 2
65 35
Analog Input Range 
Check – CBI 2 
(Wheel) Diode
SPD_LIM
Wheel motor cooling blower 
inverter2 diode temperature is 
out of range(calculated)
NO 2
65 36
Analog Input Range 
Check – CBI 3 (Grid 
1) IGBT
SPD_LIM
Grid motor 1 -cooling blower 
invereter3 IGBT temperature 
(calculated) is out of range
NO 2
65 37
Analog Input Range 
Check – CBI 3 (Grid 
1) Diode
SPD_LIM
Grid motor 1 -cooling blower 
invereter3 diode temperature 
is out of range(calculated)
NO 2
65 38
Analog Input Range 
Check – CBI 4 (Grid 
2) IGBT
SPD_LIM
Grid motor 2 -cooling blower 
invereter4 IGBT temperature is 
out of range(calculated)
NO 2
65 39
Analog Input Range 
Check – CBI 4 (Grid 
2) Diode
SPD_LIM
Grid motor 2 -cooling blower 
invereter4 diode temperature 
is out of range(calculated)
NO 2
66 1
CM1 – Turn ON Fail-
ure 
NO_POWER 
(med ramp)
Chopper1 turn on failure YES 2
66 2 CM1 – GRIDI sensor
NO_POWER 
(med ramp)
Grid current sensor fault YES 2
66 3 CM1 – LINKI sensor
NO_POWER 
(med ramp)
Link current sensor fault YES 2
66 4
CM1 – Grid Blower 1 
I Sensor
NO_POWER 
(med ramp)
Grid blower 1 sensor fault YES 2
66 5
CM1 – Grid Blower 2 
I Sensor 
NO_POWER 
(med ramp)
Grid blower 2 sensor fault YES 2
66 6
CM1 – GRIDI-LINKI 
Delta
NO_POWER 
(med ramp)
Grid and link current delta
 not ok
YES 2
66 7
CM1 – Turn OFF Fail-
ure
NO_POWER 
(med ramp)
Chopper1 turn off failure YES 2
66 8
CM1 – Grid Resis-
tance Bad
NO_POWER 
(med ramp)
Grid resistance fault, turned
on but readings are off
YES 2
EVENT #
SUB 
CODE
EVENT 
DESCRIPTION
RESTRICTION CAUSE OR DEFINITION
AUTO 
RESET
OPER. 
RESET
18 GE Proprietary and Confidential Information
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
66 9
CM1 - GRIDI Sensor 
not zero at test start
NO_POWER 
(med ramp)
Grid current sensor not 
zero at test start
YES 2
66 10
CM1 – LINKI sensor 
not zero at test start
NO_POWER 
(med ramp)
Link current sensor not zero at 
test start
YES 2
67 1
CM2 – Turn ON Fail-
ure 
NO_POWER 
(med ramp)
Chopper2 turn on failure YES 2
67 2 CM2 – GRIDI sensor
NO_POWER 
(med ramp)
Grid current sensor fault YES 2
67 3 CM2 – LINKI sensor
NO_POWER 
(med ramp)
Link current sensor fault YES 2
67 4
CM2 – Grid Blower 1 
I Sensor
NO_POWER 
(med ramp)
Grid blower 1 sensor fault YES 2
67 5
CM2 – Grid Blower 2 
I Sensor 
NO_POWER 
(med ramp)
Grid blower 2 sensor fault YES 2
67 6
CM2 – GRIDI-LINKI 
Delta
NO_POWER 
(med ramp)
Grid andn link current delta
not ok
YES 2
67 7
CM2 – Turn OFF Fail-
ure
NO_POWER 
(med ramp)
Chopper2 turn off failure YES 2
67 8
CM2 – Grid Resis-
tance Bad
NO_POWER 
(med ramp)
Grid resistance fault, turned
on but readings are off
YES 2
67 9
CM2 - GRIDI Sensor 
not zero at test start
NO_POWER 
(med ramp)
Grid current sensor not 
zero at test start
YES 2
67 10
CM2 – LINKI sensor 
not zero at test start
NO_POWER 
(med ramp)
Link current sensor not zero at 
test start
YES 2
68 1
CM3 – Turn ON Fail-
ure 
NO_POWER 
(med ramp)
Chopper3 turn on failure YES 2
68 2 CM3 – GRIDI sensor
NO_POWER 
(med ramp)
Grid current sensor fault YES 2
68 3 CM3 – LINKI sensor
NO_POWER 
(med ramp)
Link current sensor fault YES 2
68 4
CM3 – Grid Blower 1 
I Sensor
NO_POWER 
(med ramp)
Grid blower 1 sensor fault YES 2
68 5
CM3 – Grid Blower 2 
I Sensor 
NO_POWER 
(med ramp)
Grid blower 2 sensor fault YES 2
68 6
CM3 – GRIDI-LINKI 
Delta
NO_POWER 
(med ramp)
Grid andn link current delta
not ok
YES 2
68 7
CM3 – Turn OFF Fail-
ure
NO_POWER 
(med ramp)
Chopper3 turn off failure YES 2
68 8
CM3 – Grid Resis-
tance Bad
NO_POWER 
(med ramp)
Grid resistance fault, turned
on but readings are off
YES 2
68 9
CM3 - GRIDI Sensor 
not zero at test start
NO_POWER 
(med ramp)
Grid current sensor not 
zero at test start
YES 2
EVENT #
SUB 
CODE
EVENT 
DESCRIPTION
RESTRICTION CAUSE OR DEFINITION
AUTO 
RESET
OPER. 
RESET
GE Proprietary and Confidential Information 19
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
68 10
CM3 – LINKI sensor 
not zero at test start
NO_POWER 
(med ramp)
Link current sensor not zero at 
test start
YES 2
69 1
CM4 – Turn ON Fail-
ure 
NO_POWER 
(med ramp)
Chopper4 turn on failure YES 2
69 2 CM4 – GRIDI sensor
NO_POWER 
(med ramp)
Grid current sensor fault YES 2
69 3 CM4 – LINKI sensor
NO_POWER 
(med ramp)
Link current sensor fault YES 2
69 4
CM4 – Grid Blower 1 
I Sensor
NO_POWER 
(med ramp)
Grid blower 1 sensor fault YES 2
69 5
CM4 – Grid Blower 2 
I Sensor 
NO_POWER 
(med ramp)
Grid blower 2 sensor fault YES 2
69 6
CM4 – GRIDI-LINKI 
Delta
NO_POWER 
(med ramp)
Grid andn link current delta
not ok
YES 2
69 7
CM4 – Turn OFF Fail-
ure
NO_POWER 
(med ramp)
Chopper4 turn off failure YES 2
69 8
CM4 – Grid Resis-
tance Bad
NO_POWER 
(med ramp)
Grid resistance fault, turned
on but readings are off
YES 2
69 9
CM4 - GRIDI Sensor 
not zero at test start
NO_POWER 
(med ramp)
Grid current sensor not 
zero at test start
YES 2
69 10
CM4 – LINKI sensor 
not zero at test start
NO_POWER 
(med ramp)
Link current sensor not zero at 
test start
YES 2
70 1
Link Cap Level Get-
ting Low 
SYSEVENT
Non-Restrictive, Total
capacitance of DC Link is low 
but acceptable for operation
NO 0
70 2
Sec Link Cap Level 
Getting Low
SYSEVENT
 Non-Restrictive, Secondary 
link capacitance is low but 
acceptable for operation
NO 0
71 1
Link Cap LOW – MPH 
Restricted
SPD_LIM
Restricted, DC link capaci-
tance is below acceptable lev-
els
NO 0
71 2
Sec Link Cap LOW – 
MPH Restricted
SPD_LIM
Restricted, Secondary link 
capacitance is below accept-
able levels
NO 0
72 1
Ground Circuit – Cap 
Test did not finish
SPD_LIM
Restrictive, Ground fault 
detected during DC Link 
capacitance test
NO 0
72 2
Sec Ground Circuit – 
Cap Test did not fin-
ish
SPD_LIM
Restrictive, secondary Ground 
fault detected during DC Link 
capacitance test
NO 0
73 1
Analog
Sensor
Offset Fault
–LINKI
SYSEVENT
Current is detected in the DC 
Link when current should be 
zero
0
EVENT #
SUB 
CODE
EVENT 
DESCRIPTION
RESTRICTION CAUSE OR DEFINITION
AUTO 
RESET
OPER. 
RESET
20 GE Proprietary and Confidential Information
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
74 1
INV 1 Comm Failed – 
Foreground
INV1_OFF
The TMC1 card is not commu-
nicating with the DSC or PSC 
CPU card
NO 0
74 2
INV 1 Comm Failed – 
Option Bit
INV1_OFF
DSC or PSC CPU cannot set 
Option bits of the TMC1 card
NO 0
75 1
INV 2 Comm Failed – 
Foreground
INV2_OFF
The TMC2 card is not commu-
nicating with the DSC or PSC 
CPU card
NO 0
75 2
INV 2 Comm Failed – 
Option Bit
INV2_OFF
DSC or PSC CPU cannot set 
Option bits of the TMC2 card
NO 0
76 1
FB173 Card – Speed 
FPGA
NO_POWER
(long ramp)
DSC or PSC CPU detects the 
17FB173 card software did not 
properly load at startup
NO 0
76 2
FB173 Card – Speed 
while running
NO_POWER
(long ramp)
DSC or PSC CPU detects the 
17FB173 card had a timeout 
issue after software download
NO 0
76 3
FB173 Card – Alt 
FPGA
NO_POWER
(long ramp)
DSC or PSC CPU detects the 
17FB173 card software did not 
properly load at startup
NO 0
76 4
FB173 Card – uCon-
troller Download
NO_POWER
(long ramp)
DSC or PSC CPU detects the 
17FB173 card software did not 
properly load at startup
NO 0
76 5
FB173 Card – Slow 
Task Timer
NO_POWER
(long ramp)
DSC or PSC CPU detects the
17FB173 card had a timeout
issue after software download
NO 0
76 6
FB173 Card – Med 
Task Timer
NO_POWER
(long ramp)
DSC or PSC CPU detects the
17FB173 card had a timeout
issue after software download
NO 0
76 7
FB173 Card – Fast 
Task Timer
NO_POWER
(long ramp)
DSC or PSC CPU detects the
17FB173 card had a timeout
issue after software download
NO 0
76 8
FB173 Card – Failed 
Diode Task Timer
NO_POWER
(long ramp)
DSC or PSC CPUdetects the
17FB173 card had a timeout
issue after software download
NO 0
76 9
FB173 Card – A3p 
Reading
NO_POWER
(long ramp)
DSC or PSC CPU detects the
17FB173 card with A3P read-
ing
NO 0
76 10
FB173 Card – Alt 
FPGA Timed Out
NO_POWER
(long ramp)
DSC or PSC CPU detects the
17FB173 card had a timeout
issue after software download
NO 0
76 11
FB173 Card – uCon-
troller Reset
NO_POWER
(long ramp)
DSC or PSC CPU detects the
17FB173 card had a timeout
issue after software download
NO 0
EVENT #
SUB 
CODE
EVENT 
DESCRIPTION
RESTRICTION CAUSE OR DEFINITION
AUTO 
RESET
OPER. 
RESET
GE Proprietary and Confidential Information 21
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
77 1
VI Test Failed – 
Inverter
NO_POWER
(long ramp)
When switching from REST to
READY mode, Inverter 1 or
Inverter 2 has failed VI test
YES 99
78 1
Inv Background Msg 
Fail – INV 1
SYSEVENT
Inverter 1 TMC1 card
communication error with
DSC or PSC CPU card
NO 20
78 2
Inv Background Msg 
Fail – INV 2
SYSEVENT
Inverter 2 TMC2 card
communication error with
DSC or PSC CPU card
NO 20
78 3
Inv Background Msg 
Fail – INV1 – Could 
not set Option word
SYSEVENT
Inverter 1 TMC1 card
communication error with
DSC or PSC CPU card
NO 20
78 4
Inv Background Msg 
Fail – INV2 – Could 
not set Option word
SYSEVENT
Inverter 2 TMC2 card
communication error with
DSC or PSC CPU card
NO 20
78 5
Inv Background Msg 
Fail – INV1 – Could 
not set App ID
SYSEVENT
Inverter 1 TMC1 card
communication error with
DSC or PSC CPU card
NO 20
78 6
Inv Background Msg 
Fail – INV2 – Could 
not set App ID
SYSEVENT
Inverter 2 TMC2 card
communication error with
DSC or PSC CPU card
NO 20
78 7
Inv Background Msg 
Fail – INV3
SYSEVENT
Inverter 3 (DAB)card
communication error with
DSC or PSC CPU card
NO 20
78 8
Inv Background Msg 
Fail – INV3 – Could 
not set Option word
SYSEVENT
Inverter 3 (DAB)card
communication error with
DSC or PSC CPU card
NO 20
78 9
Inv Background Msg 
Fail – INV3 – Could 
not set App ID
SYSEVENT
Inverter 3 (DAB)card
communication error with
DSC or PSC CPU card
NO 20
79 1
FB173 Card – Speed 
FPGA
NO_POWER
(long ramp)
FB173 Card fault– Speed 
FPGA
NO 0
79 2
FB173 Card – Speed 
While Running
NO_POWER
(long ramp)
FB173 Card fault– Speed While 
Running
NO 0
79 3
FB173 Card – Alt 
FPGA
NO_POWER
(long ramp)
FB173 Card fault– Alt FPGA NO 0
79 4
FB173 Card – uCon-
troller Download
NO_POWER
(long ramp)
FB173 Card fault– uController 
Download
NO 0
79 5
FB173 Card – Slow 
Task Timer
NO_POWER
(long ramp)
FB173 Card fault– Slow Task 
Timer
NO 0
79 6
FB173 Card – Med 
Task Timer
NO_POWER
(long ramp)
FB173 Card fault– Med Task 
Timer
NO 0
79 7
FB173 Card – Fast 
Task Timer
NO_POWER
(long ramp)
FB173 Card fault– Fast Task 
Timer
NO 0
EVENT #
SUB 
CODE
EVENT 
DESCRIPTION
RESTRICTION CAUSE OR DEFINITION
AUTO 
RESET
OPER. 
RESET
22 GE Proprietary and Confidential Information
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
79 8
FB173 Card – Failed 
Diode Task Timer
NO_POWER
(long ramp)
FB173 Card fault– Failed Diode 
Task Timer
NO 0
79 9
FB173 Card – A3p 
Reading
NO_POWER
(long ramp)
FB173 Card Alternator 3 phase 
voltage
does not compare to expected 
DC Link voltage
NO 0
79 10
FB173 Card – Alt 
FPGA Timed Out
NO_POWER
(long ramp)
FB173 Card fault– Alt FPGA 
Timed Out
NO 0
80 1
Cruise Control Lever 
Error – Out of Range 
or Not Present
SYSEVENT
Cruise control lever output 
voltage is out of range or not 
present
NO 2
80 2
Cruise Control Lever 
Error – Not Return-
ing to Default Pos.
SYSEVENT
Cruise control lever output 
voltage is not returning to 
default range
NO 2
81 1
Quad Chopper – 
Grid I Sensor – High 
Value
SPD_LIM Grid current high value NO 2
81 2
Quad Chopper – 
Link I Sensor – High 
Value
SPD_LIM Link current high value NO 2
81 3
Quad Chopper – 
Grid I Sensor – Load-
box
SPD_LIM
Grid current sensor is out of 
range 
NO 2
81 4
Quad Chopper – 
Link I Sensor – Load-
box
SPD_LIM
Link current sensor is out of 
range
NO 2
81 5
Quad Chopper – 
High Chopper Per-
cent ON – CM2 may 
not have turned on
SPD_LIM
Detected high chopper
percent on - CM2 may not
have closed
NO 2
82 1
Grid Protection – 
Choppers on Exces-
sively in Propel
SPD_LIM & 
ENGSPD_RP
Choppers on excessively in
propel
NO 2
83 1
Too Many Boots not 
from Powerup – 
Multiple 86 Events 
Recorded
SPD_LIM
Mutiple 86 events. Too many 
boots not from power up
NO 0
84 1
Control Power 
Switch
SYSEVENT
Control Power Switch (CPS)
feedback lost with truck
motion
NO 2
85 1 Aux Cooling Fault SYSEVENT
Axle box air pressure not
sensed
Yes 0
EVENT #
SUB 
CODE
EVENT 
DESCRIPTION
RESTRICTION CAUSE OR DEFINITION
AUTO 
RESET
OPER. 
RESET
GE Proprietary and Confidential Information 23
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
85 2
Aux Cooling – Aux 
RPM FB/CMD input 
OOL
SYSEVENT
Auxiliary cooling motor RPM 
out of range (if equipped)
NO 0
85 3
Aux Cooling – Aux-
RPM FB/Cmd Mis-
match
SYSEVENT
Auxiliary cooling motor
command does not match
feedback (if equipped)
NO 0
85 4
Aux Cooling – 
Abnormal Shutdown
SYSEVENT
Auxiliary cooling motor
commanded to run and did
not (if equipped)
NO 0
86 2
Sys Boot Not From 
Pwrup – Slow 
Watchdog
SYSEVENT
PSC/DSC CPU card reset due
to slow watchdog timer expir-
ing
Yes - 
30 Sec.
N/A
86 3
Sys Boot Not From 
Pwrup – Software 
Request
SYSEVENT
Card reset due to request from 
software
Yes - 
30 Sec.
N/A
86 6
Sys Boot Not From 
Pwrup – Power 
Monitor
SYSEVENT
Card reset due to +5VDC 
Power monitoring
Yes - 
30 Sec.
N/A
86 7
Sys Boot Not From 
Pwrup – Push But-
ton Reset
SYSEVENT
Card reset due to Reset Pin 
jumper
Yes - 
30 Sec.
N/A
86 8
Sys Boot Not From 
Pwrup – Fast 
Watchdog
SYSEVENT
Card reset due to fast watch-
dog expiring
Yes - 
30 Sec.
N/A
86 9
Sys Boot Not From 
Pwrup – 1.2 Vdc 
Power Supply
SYSEVENT
Card reset due to 1.2 V Power 
Supply out of tolerance 
Yes - 
30 Sec.
N/A
86 10
Sys Boot Not From 
Pwrup – 1.25 Vdc 
Power Supply
SYSEVENT
Card reset due to 1.25 V Power 
Supply out of tolerance
Yes - 
30 Sec.
N/A
86 11
Sys Boot Not From 
Pwrup – 2.5 Vdc 
Power Supply
SYSEVENT
Card reset due to 2.5 V Power 
Supply out of tolerance
Yes - 
30 Sec.
N/A
86 12
Sys Boot Not From 
Pwrup – 3.3 Vdc 
Power Supply
SYSEVENT
Card reset due to 3.3 V Power 
Supply out of tolerance
Yes - 
30 Sec. N/A
86 17
Sys Boot Not From 
Pwrup – Vehicle 
Moving at re-boot
SYSEVENT
Vehicle speed greater than 1 
mph(1.6KPH) when card was 
booted
Yes - 
30 Sec.
N/A
87 1 HP Low SYSEVENT
Expected horsepower from
the diesel engine is low
NO 9
88 1
HP Limit – Engine 
May Stall
SYSEVENT
The system horsepower 
exceeds transient high HP 
limit
NO 9
EVENT #
SUB 
CODE
EVENT 
DESCRIPTION
RESTRICTION CAUSE OR DEFINITION
AUTO 
RESET
OPER. 
RESET
24 GE Proprietary and Confidential Information
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
88 2
HP Limit – Engine 
May Stall
SYSEVENT
The system horsepower is out 
of limits, low engine speed or 
engine stall
NO 9
89 2
Eng Spd Cmd – RPM 
does not match 
command
SYSEVENT
Engine speed does not match 
engine command
NO 3
89 3
Eng Spd Cmd – 
Engine Cold Idle 
Lock Active
SYSEVENT Engine cold idle lock active NO 3
89 4
Eng Spd Cmd – Alt 
Spd Sensor Error
SYSEVENT Alternator speed sensor error NO 3
90 1
Cooling Blower Inv 
Cutout – Cntrl Blwr
SYSEVENT
Control group cooling blower 
inverter cut-out
NO 0
90 2
Cooling Blower Inv 
Cutout – Axle Blwr
SYSEVENT
Wheel motor cooling blower 
inverter cut-out
NO 0
90 3
Cooling Blower Inv 
Cutout – Grid Blwr 1 
SYSEVENT Grid blower 1 inverter cut-out NO 0
90 4
Cooling Blower Inv 
Cutout – Grid Blwr 2
SYSEVENT Grid blower 2 inverter cut-out NO 0
91 1 Inverter 1 Cutout SYSEVENT
Event code is automatically 
generated
when Inverter 1 isCutout 
manually
NO 0
92 1 Inverter 2 Cutout SYSEVENT
Event code is automatically 
generated
when Inverter 2 is Cutout 
manually
NO 0
93 1
Inverter 3 Cutout 
(H-Bridge)
SYSVENT
Event code is automatically 
generated
when Inverter 3(DAB) is Cut-
out manually
NO 0
94 1 Illegal Limp Mode SYSEVENT
Inverter 1 or Inverter 2 was
cutout with the truck in motion
NO 3
95 Bad BBRAM Battery SYSEVENT
The voltage of the battery on 
the DSC or PSC CPU card is low
NO 1
96 
Unexpected System 
Reset
SYSEVENT
DSC or PSC CPU Card has 
detected that it went through 
a reset sequence while the 
System Mode was either 
Ready, Propel,
Retard, or Loadbox
YES 2
97 Thaw Mode Active SYSEVENT
Cold weather Thaw mode is 
active
NO 0
EVENT #
SUB 
CODE
EVENT 
DESCRIPTION
RESTRICTION CAUSE OR DEFINITION
AUTO 
RESET
OPER. 
RESET
GE Proprietary and Confidential Information 25
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
2.2. INVERTER EVENT LIST (Xx00 - Xx99)
2.2.1. Restrictions
SPD_LIM - Imposes a 10 / 15 MPH (16/24KPH) speed limit on the truck.
SYS_EVENT - No Restriction.
INV_OFF - Inverter is restricted by the PSC from running. This will disable the inverter's run drive. It will also
force the truck into the existing ”limp” mode. The inverter_off restriction shall also impose a Truck Speed
Limit on the truck via the existing SYS_WARN/SPD_LIM restriction.
TRUCK_SPD_LIM_LOW - Speed limit set to lower speed point 5 mph (8 kph).
Default block restriction is for TMC. CBI * and DAB* restrictions are also included separately.
2.2.2. Numbering Scheme and Inverter Number Allocations
The event numbering scheme is listed in Section 2. The Inverter Events lists the last two digits of the event. In order to
get the event number for TMC 1 through TMC 4, change the hundreds digit to the appropriate inverter (2xx for TMC2,
3xx for TMC 3, etc.).
The above event numbering is also applied to CBI events (11xx for CBI1, 12xx for CBI2, etc.) and DAB (Dual Active
Bridge) events(21xx) used in trucks with electrification.
Table 3. Inverter Number and Device Description
98 1 PTU Data Store SYSEVENT
A datastore has been manu-
ally requested
YES 0
99 1
Software – CPU Per-
cent
SYSEVENT CPU Percentage is high NO 0
99 3
Software – Old Ver-
sion of PriOS
SYSEVENT
Primary Operating System is 
older than expected
NO 0
INVERTER #
INVERTER EVENT 
DEVICE PREFIX
DEVICE DEVICE DESCRIPTION
Inverter 1 1xx Inverter 1 (TMC1) Inverter 1 Traction Motor Control 1
Inverter 2 2xx Inverter 2 (TMC2) Inverter 2 Traction Motor Control 2
Inverter 3 21xx Inverter 3 (DAB) Inverter 3 Dual Active Bridge
EVENT #
SUB 
CODE
EVENT 
DESCRIPTION
RESTRICTION CAUSE OR DEFINITION
AUTO 
RESET
OPER. 
RESET
26 GE Proprietary and Confidential Information
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
2.2.3. Inverter Event List (Xx00 - Xx99)
Table 4. Inverter Events
Inverter 4 11xx CBI 1 (Control)
Inverter 4 Cooling Blower Inverter 1 Control 
Group Blower
Inverter 5 12xx CBI 2 (Wheel) 
Inverter 5 Cooling Blower Inverter 2 Wheel Motor 
Blower
Inverter 6 13xx CBI 3 (Grid 1) Inverter 6 Cooling Blower Inverter 3 Grid Blower 1
Inverter 7 14xx CBI 4 (Grid 2) Inverter 7 Cooling Blower Inverter 4 Grid Blower 2
EVENT 
#
SUB 
CODE
EVENT
DESCRIPTION
RESTRICTION
CAUSE OR 
DEFINITION
AUTO 
RESET
OPER. 
RESET
Xx00
INVERTER CPU 
CARD:
INV_OFF / Truck Speed 
Limit 
Inverter xx cpu card 
fault
Yes TMC: 3
 DAB: 2
23 Pattern had bad 
a, b ,c output
DAB: */
TRUCK_SPD_LIM_LOW
CBI: 2
CBI: */
TRUCK_SPD_LIM_LOW 
29
Extrapolation 
interrupt not 
running
30 Vector interrupt 
not running
31 tic interrupt not 
running
32
NMI 
occurred(i960) - 
fast WD (PPC)
34 Background not 
running
35 PGA could not 
be programmed
38 PGA initialization 
failed
39 PGA d/p did ont 
initialize
GE Proprietary and Confidential Information 27
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
40 Parameter not 
Found
41 Parameter 
multiply defined
48 CAM ISR is not 
running
50 CAM RAM Failed
51 CAM RAM upper 
bank failed
52
Card power 
monitor reset, 
5V low
53
Card power 
monitor reset, 
3.3V low
54
Card power 
monitor reset, 
2.5V low
55
Card power 
monitor reset, 
1.25V low
56
Card power 
monitor reset, 
1.2V low
57
Watchdog 
disabled by 
WDIS jumper
58
Incompatible 
TMC card type 
for this 
application
59
Overrun End of 
Programmed 
CAM
EVENT 
#
SUB 
CODE
EVENT
DESCRIPTION
RESTRICTION
CAUSE OR 
DEFINITION
AUTO 
RESET
OPER. 
RESET
28 GE Proprietary and Confidential Information
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
Xx01
INV x CPU Card 
(NR):
 SYSTEM EVENT 
Inverter xx CPU Card 
detected specific 
Phase Module problem 
during VI test
Yes TMC: 3
DAB: 2
1 CBI: 2
Phase A+ 
command Not 
OFF
2
Phase A- 
command Not 
OFF
SYSTEM EVENT Yes TMC: 3
DAB: 2
CBI: 2
3
Phase B+ 
command Not 
OFF
SYSTEM EVENT Yes TMC: 3
DAB: 2
CBI: 2
4
Phase B- 
command Not 
OFF
SYSTEM EVENT Yes TMC: 3
DAB: 2
CBI: 2
5
Phase C+ 
command Not 
OFF
SYSTEM EVENT Yes TMC: 3
DAB: 2
CBI: 2
6
Phase C- 
command NOT 
OFF
SYSTEM EVENT Yes TMC: 3
DAB: 2
CBI: 2
7
Phase A+ 
command NOT 
ON
SYSTEM EVENT Yes TMC: 3
DAB: 2
CBI: 2
8
Phase A- 
command NOT 
ON
SYSTEM EVENT Yes TMC: 3
DAB: 2
CBI: 2
EVENT 
#
SUB 
CODE
EVENT
DESCRIPTION
RESTRICTION
CAUSE OR 
DEFINITION
AUTO 
RESET
OPER. 
RESET
GE Proprietary and Confidential Information 29
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
9
Phase B+ 
command NOT 
ON
SYSTEM EVENT Yes TMC: 3
DAB: 2
CBI: 2
10
Phase B- 
command NOT 
ON
SYSTEM EVENT Yes TMC: 3
DAB: 2
CBI: 2
11
Phase C+ 
command NOT 
ON
SYSTEM EVENT Yes TMC: 3
DAB: 2
CBI: 2
12
Phase C- 
command NOT 
ON
SYSTEM EVENT Yes TMC: 3
DAB: 2
CBI: 2
13
Chopper 1 
Interrupt not 
running
SYSTEM EVENT 
Inverter xx CPU Card 
Chopper interrupt not 
running
Yes TMC: 3
DAB: 2
CBI: 2
14
Chopper 2 
Interrupt not 
running
SYSTEM EVENT Yes TMC: 3
DAB: 2
CBI: 2
16 Inverter CPU 
was reset
SYSTEM EVENT 
Inverter xx CPU Card 
unexpected reset
Yes TMC: 3
DAB: 2
CBI: 2
17
Phase A2+ 
command Not 
OFF
SYSTEM EVENT 
Inverter xx CPU Card 
detected specific 
Phase Module problem 
during VI test
Yes TMC: 3
DAB: 2
CBI: 2
18
Phase A2- 
command Not 
OFF
SYSTEM EVENT Yes TMC: 3
EVENT 
#
SUB 
CODE
EVENT
DESCRIPTION
RESTRICTION
CAUSE OR 
DEFINITION
AUTO 
RESET
OPER. 
RESET
30 GE Proprietary and Confidential Information
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
DAB: 2
CBI: 2
19
Phase B2+ 
command Not 
OFF
SYSTEM EVENT Yes TMC: 3
DAB: 2
CBI: 2
20
Phase B2- 
command Not 
OFF
SYSTEM EVENT Yes TMC: 3
DAB: 2
CBI: 2
21
Phase C2+ 
command Not 
OFF
SYSTEM EVENT Yes TMC: 3
DAB: 2
CBI: 2
22
Phase C2- 
command Not 
OFF
SYSTEM EVENT Yes TMC: 3
DAB: 2
CBI: 2
23
Phase A2+ 
command Not 
ON
SYSTEM EVENT Yes TMC: 3
DAB: 2
CBI: 2
24
Phase A2- 
command Not 
ON
SYSTEM EVENT Yes TMC: 3
DAB: 2
CBI: 2
25
Phase B2+ 
command Not 
ON
SYSTEM EVENT Yes TMC: 3
DAB: 2
CBI: 2
26
Phase B2- 
command Not 
ON
SYSTEM EVENT Yes TMC: 3
DAB: 2
CBI: 2
EVENT 
#
SUB 
CODE
EVENT
DESCRIPTION
RESTRICTION
CAUSE OR 
DEFINITION
AUTO 
RESET
OPER. 
RESET
GE Proprietary and Confidential Information 31
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
27
Phase C2+ 
command Not 
ON
SYSTEM EVENT Yes TMC: 3
DAB: 2
CBI: 2
28
Phase C2- 
command Not 
ON
SYSTEM EVENT Yes TMC: 3
DAB: 2
CBI: 2
29 Slow watchdog 
reset
SYSTEM EVENT Slow watchdog reset Yes TMC: 3
DAB: 2
CBI: 2
30 Pushbutton 
reset
SYSTEM EVENT Pushbutton reset Yes TMC: 3
DAB: 2
CBI: 2
31 Direct command 
line reset
SYSTEM EVENT 
Direct command line 
reset
Yes TMC: 3
DAB: 2
CBI: 2
Xx02 5 INV xx I/O Card:
INV_OFF / Truck Speed 
LimitInverter xx CPU Card 
internal I/O problem 
detected
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
Logic Ground 
not OK
8 Could not 
access I/O Card
INV_OFF / Truck Speed 
Limit 
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
EVENT 
#
SUB 
CODE
EVENT
DESCRIPTION
RESTRICTION
CAUSE OR 
DEFINITION
AUTO 
RESET
OPER. 
RESET
32 GE Proprietary and Confidential Information
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
9 A/D Conversion 
did not work
INV_OFF / Truck Speed 
Limit 
A/D conversion did not 
work
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
10
Retard on too 
long while not 
braking
INV_OFF / Truck Speed 
Limit 
Inverter xx CPU Card 
detects Chopper 
Module was ON too 
long, while not in 
Retard Mode
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
11
PTF A - Phase A 
Overcurrent 
signal too Long
INV_OFF / Truck Speed 
Limit 
Inverter xx protective 
turn off of Phase A, 
current excessive for 
extended time
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
12
PTF B - Phase B 
Overcurrent 
signal too Long
INV_OFF / Truck Speed 
Limit 
Inverter xx protective 
turn off of Phase B, 
current excessive for 
extended time
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
13
PTF C - Phase C 
Overcurrent 
signal too Long
INV_OFF / Truck Speed 
Limit 
Inverter xx protective 
turn off of Phase C, 
current excessive for 
extended time
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
EVENT 
#
SUB 
CODE
EVENT
DESCRIPTION
RESTRICTION
CAUSE OR 
DEFINITION
AUTO 
RESET
OPER. 
RESET
GE Proprietary and Confidential Information 33
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
14 Current IC not 
zero at start up
INV_OFF / Truck Speed 
Limit 
Inverter xx CPU Card, 
Phase C current 
problem detected
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
15 C Phase Current 
Too High
INV_OFF / Truck Speed 
Limit 
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
16 Protective Turn 
off circuit not OK
INV_OFF / Truck Speed 
Limit 
Inverter xx Protective 
Turn off circuit not OK
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
17
Phase A and B 
Currents do not 
Match
INV_OFF / Truck Speed 
Limit 
Inverter xx, VI test 
determined current 
imbalance between 
Phase Modules A1 and 
B 1
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
18
Phase A and C 
Currents do not 
Match
INV_OFF / Truck Speed 
Limit 
Inverter xx, VI test 
determined current 
imbalance between 
Phase Modules A1 and 
C1
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
EVENT 
#
SUB 
CODE
EVENT
DESCRIPTION
RESTRICTION
CAUSE OR 
DEFINITION
AUTO 
RESET
OPER. 
RESET
34 GE Proprietary and Confidential Information
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
19
Phase A2 and B2 
currents do not 
match
INV_OFF / Truck Speed 
Limit 
Inverter xx, VI test 
determined current 
imbalance between 
Phase Modules A2 and 
B2
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
20
Phase A2 and C2 
currents do not 
match
INV_OFF / Truck Speed 
Limit 
Inverter xx, VI test 
determined current 
imbalance between 
Phase Modules A2 and 
C2
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
21
Excessive phase 
A null current 
offset
INV_OFF / Truck Speed 
Limit 
Inverter xx, VI test 
determined current 
excessive on A1 
without devices ON
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
22
Excessive phase 
B null current 
offset
INV_OFF / Truck Speed 
Limit 
Inverter xx, VI test 
determined current 
excessive on B1 
without devices ON
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
23
Excessive phase 
C null current 
offset
INV_OFF / Truck Speed 
Limit 
Inverter xx, VI test 
determined current 
excessive on C1 
without devices ON
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
EVENT 
#
SUB 
CODE
EVENT
DESCRIPTION
RESTRICTION
CAUSE OR 
DEFINITION
AUTO 
RESET
OPER. 
RESET
GE Proprietary and Confidential Information 35
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
24
Excessive phase 
A2 null current 
offset
INV_OFF / Truck Speed 
Limit 
Inverter xx, VI test 
determined current 
excessive on A2 
without devices ON
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
25
Excessive phase 
B2 null current 
offset
INV_OFF / Truck Speed 
Limit 
Inverter xx, VI test 
determined current 
excessive on B2 
without devices ON
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
26
Excessive phase 
C2 null current 
offset
INV_OFF / Truck Speed 
Limit 
Inverter xx, VI test 
determined current 
excessive on C2 
without devices ON
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
Xx03 1 INV x I/O Card 
(NR)
SYSTEM EVENT Inverter xx CPU Card Yes TMC: 3
Internal I/O Problem 
detected
DAB: 2
CBI: 2
Chopper 1 
Command Not 
Off
2
Chopper 2 
Command Not 
Off
SYSTEM EVENT Yes TMC: 3
DAB: 2
CBI: 2
EVENT 
#
SUB 
CODE
EVENT
DESCRIPTION
RESTRICTION
CAUSE OR 
DEFINITION
AUTO 
RESET
OPER. 
RESET
36 GE Proprietary and Confidential Information
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
3
Chopper 1 
Command Not 
ON
SYSTEM EVENT Yes TMC: 3
DAB: 2
CBI: 2
4
Chopper 2 
Command Not 
ON
SYSTEM EVENT Yes TMC: 3
DAB: 2
CBI: 2
5 Volt Scale A Out 
of Range
SYSTEM EVENT Yes TMC: 3
DAB: 2
CBI: 2
6 Volt Scale B Out 
of Range
SYSTEM EVENT Yes TMC: 3
DAB: 2
CBI: 2
7 Link Volt Scale 
Out of Range
SYSTEM EVENT Yes TMC: 3
DAB: 2
CBI: 2
8 Current Scale A 
Out of Range
SYSTEM EVENT Yes TMC: 3
DAB: 2
CBI: 2
9 Current Scale B 
Out of Range
SYSTEM EVENT Yes TMC: 3
DAB: 2
CBI: 2
10 Input V Scale 
Out of Range
SYSTEM EVENT Yes TMC: 3
DAB: 2
CBI: 2
11
High Frequency 
on VCO VTest 
Channel
SYSTEM EVENT Yes TMC: 3
DAB: 2
CBI: 2
12
Low Frequency 
on VCO VTest 
Channel
SYSTEM EVENT Yes TMC: 3
DAB: 2
EVENT 
#
SUB 
CODE
EVENT
DESCRIPTION
RESTRICTION
CAUSE OR 
DEFINITION
AUTO 
RESET
OPER. 
RESET
GE Proprietary and Confidential Information 37
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
CBI: 2
13 High Frequency 
on IA Channel
SYSTEM EVENT Yes TMC: 3
DAB: 2
CBI: 2
14 High Frequency 
on IB Channel
SYSTEM EVENT Yes TMC: 3
DAB: 2
CBI: 2
15
High Frequency 
on VCO Link 
Channel
SYSTEM EVENT Yes TMC: 3
DAB: 2
CBI: 2
16
High Frequency 
on VCO in 
channel
SYSTEM EVENT 
High frequency on 
VCO in channel
Yes TMC: 3
DAB: 2
CBI: 2
17 Current IA Too 
Positive
SYSTEM EVENT 
Inverter xx I/O Card 
indicates Phase A1 
current out of range
Yes TMC: 3
DAB: 2
CBI: 2
18 Current IA Too 
Negative
SYSTEM EVENT Yes TMC: 3
DAB: 2
CBI: 2
19 Current IB Too 
Positive
SYSTEM EVENT 
Inverter xx I/O Card 
indicates Phase B1 
current out of range
Yes TMC: 3
DAB: 2
CBI: 2
20 Current IB Too 
Negative
SYSTEM EVENT Yes TMC: 3
DAB: 2
CBI: 2
21 Link Voltage too 
High
SYSTEM EVENT 
Inverter xx I/O Card 
indicates DC link volts 
too high
Yes TMC: 3
DAB: 2
CBI: 2
EVENT 
#
SUB 
CODE
EVENT
DESCRIPTION
RESTRICTION
CAUSE OR 
DEFINITION
AUTO 
RESET
OPER. 
RESET
38 GE Proprietary and Confidential Information
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
22
Input Filter 
Voltage Too 
High
SYSTEM EVENT 
Inputfilter voltage too 
high
Yes TMC: 3
DAB: 2
CBI: 2
23
High Frequency 
on VCO DB 
Chopper
SYSTEM EVENT 
Inverter xx CPU Card 
Internal I/O Problem 
detected
Yes TMC: 3
DAB: 2
CBI: 2
24
DB Chopper 
Voltage too H 
igh
SYSTEM EVENT Yes TMC: 3
DAB: 2
CBI: 2
25
High Frequency 
on VCO VA 
Channel
SYSTEM EVENT Yes TMC: 3
DAB: 2
CBI: 2
26
High Frequency 
on VCO VB 
Channel
SYSTEM EVENT Yes TMC: 3
DAB: 2
CBI: 2
27
High Frequency 
on VCO VC 
Channel
SYSTEM EVENT Yes TMC: 3
DAB: 2
CBI: 2
28 VA Voltage too 
High
SYSTEM EVENT 
Inverter xx I/O Card 
indicates 
Yes TMC: 3
Phase A volts too high DAB: 2
CBI: 2
29 VB Voltage too 
High
SYSTEM EVENT 
Inverter xx I/O Card 
indicates 
Yes TMC: 3
Phase B volts too high DAB: 2
CBI: 2
EVENT 
#
SUB 
CODE
EVENT
DESCRIPTION
RESTRICTION
CAUSE OR 
DEFINITION
AUTO 
RESET
OPER. 
RESET
GE Proprietary and Confidential Information 39
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
30 Volt Scale C Out 
of Range
SYSTEM EVENT Yes TMC: 3
Volt scale c out of 
range
DAB: 2
CBI: 2
31 VC Voltage Too 
High
SYSTEM EVENT 
Inverter xx I/O Card 
indicates 
Yes TMC: 3
Phase C volts too high DAB: 2
CBI: 2
34
High Frequency 
on VCO IC1 
Channel
SYSTEM EVENT 
Inverter xx CPU Card 
Internal I/O Problem 
detected
Yes TMC: 3
DAB: 2
CBI: 2
35
Low Frequency 
on VCO IC1 
Channel
SYSTEM EVENT Yes TMC: 3
DAB: 2
CBI: 2
36 Current IC1 Too 
High
SYSTEM EVENT 
Inverter xx CPU Card 
Phase 1C Current Out 
of Range
Yes TMC: 3
DAB: 2
CBI: 2
37 Current IC1 Too 
Low
SYSTEM EVENT Yes TMC: 3
DAB: 2
CBI: 2
50 Current Scale C! 
out of range
SYSTEM EVENT 
Inverter xx CPU Card 
Internal I/O Problem 
detected
Yes TMC: 3
DAB: 2
CBI: 2
51
High Frequency 
on VCO IA2 
Channel
SYSTEM EVENT Yes TMC: 3
DAB: 2
CBI: 2
52
Low Frequency 
on VCO IA2 
Channel
SYSTEM EVENT Yes TMC: 3
EVENT 
#
SUB 
CODE
EVENT
DESCRIPTION
RESTRICTION
CAUSE OR 
DEFINITION
AUTO 
RESET
OPER. 
RESET
40 GE Proprietary and Confidential Information
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
DAB: 2
CBI: 2
53
High Frequency 
on VCO IB2 
Channel
SYSTEM EVENT Yes TMC: 3
DAB: 2
CBI: 2
54
Low Frequency 
on VCO IB2 
Channel
SYSTEM EVENT Yes TMC: 3
DAB: 2
CBI: 2
55
High Frequency 
on VCO IC2 
Channel
SYSTEM EVENT Yes TMC: 3
DAB: 2
CBI: 2
56
Low Frequency 
on VCO IC2 
Channel
SYSTEM EVENT Yes TMC: 3
DAB: 2
CBI: 2
57 Current IA2 too 
high
SYSTEM EVENT 
Inverter xx CPU Card 
Phase 2A Current Out 
of Range
Yes TMC: 3
DAB: 2
CBI: 2
58 Current IA2 too 
Low
SYSTEM EVENT Yes TMC: 3
DAB: 2
CBI: 2
59 Current IB2 too 
high
SYSTEM EVENT 
Inverter xx CPU Card 
Phase 2B Current Out 
of Range
Yes TMC: 3
DAB: 2
CBI: 2
60 Current IB2 too 
Low
SYSTEM EVENT Yes TMC: 3
DAB: 2
CBI: 2
61 Current IC2 too 
high
SYSTEM EVENT 
Inverter xx CPU Card 
Phase 2C Current Out 
of Range
Yes TMC: 3
EVENT 
#
SUB 
CODE
EVENT
DESCRIPTION
RESTRICTION
CAUSE OR 
DEFINITION
AUTO 
RESET
OPER. 
RESET
GE Proprietary and Confidential Information 41
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
DAB: 2
CBI: 2
62 Current IC2 too 
Low
SYSTEM EVENT Yes TMC: 3
DAB: 2
CBI: 2
63 Current Scale A2 
out of Range
SYSTEM EVENT 
Inverter xx CPU Card 
Internal I/O Problem 
detected
Yes TMC: 3
DAB: 2
CBI: 2
64 Current Scale B2 
Out of Range
SYSTEM EVENT Yes TMC: 3
DAB: 2
CBI: 2
65 Current Scale C2 
Out of Range.
SYSTEM EVENT Yes TMC: 3
DAB: 2
CBI: 2
66
Ground 
calibration scale 
out of range
SYSTEM EVENT 
Ground calibration 
scale out of range
Yes TMC: 3
DAB: 2
* for Dual IGBT 
Systems only
CBI: 2
Xx04 1 INV x F/O card
INV_OFF / Truck Speed 
Limit 
Inverter xx Fiber Optic 
Card Power Supply 
voltage out of range
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
Fiber Optic Card 
Power Supply 
Monitor
2 Fiber Optic Card 
Disabled
INV_OFF / Truck Speed 
Limit 
Inverter xx Fiber Optic 
Card 
Yes TMC: 3
EVENT 
#
SUB 
CODE
EVENT
DESCRIPTION
RESTRICTION
CAUSE OR 
DEFINITION
AUTO 
RESET
OPER. 
RESET
42 GE Proprietary and Confidential Information
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
DAB: */
TRUCK_SPD_LIM_LOW 
Enable missing DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
3
Fiber Optic Card 
Enabled and no 
Direction
INV_OFF / Truck Speed 
Limit 
Fiber optic card 
enabled
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
and no direction DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
4
Fiber optic 2 
power supply 
monitor
INV_OFF / Truck Speed 
Limit 
Fiber optic 2 power 
supply monitor
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
5 Fiber optic 1 15v 
power low
INV_OFF / Truck Speed 
Limit 
Fiber optic 1 15v 
power low
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
6
Fiber optic 1 INV 
LEM 24v power 
low
INV_OFF / Truck Speed 
Limit 
Fiber optic 1 INV LEM 
24v power low
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
EVENT 
#
SUB 
CODE
EVENT
DESCRIPTION
RESTRICTION
CAUSE OR 
DEFINITION
AUTO 
RESET
OPER. 
RESET
GE Proprietary and Confidential Information 43
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
7 Fiber optic 1 5v 
power low
INV_OFF / Truck Speed 
Limit 
Fiber optic 1 5v power 
low
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
8
Fiber optic 1 
chop LEM 24v 
power low
INV_OFF / Truck Speed 
Limit 
Fiber optic 1 chop LEM 
24v power low
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
9 Fiber optic 2 15v 
power low
INV_OFF / Truck Speed 
Limit 
Fiber optic 2 15v 
power low
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
10
Fiber optic 2 INV 
LEM 24v power 
low
INV_OFF / Truck Speed 
Limit 
Fiber optic 2 INV LEM 
24v power low
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
11 Fiber optic 2 5v 
power low
INV_OFF / Truck Speed 
Limit 
Fiber optic 2 5v power 
low
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
12
Fiber optic 2 
chop LEM 24v 
power low
INV_OFF / Truck Speed 
Limit 
Fiber optic 2 chop LEM 
24v power low
Yes TMC: 3
EVENT 
#
SUB 
CODE
EVENT
DESCRIPTION
RESTRICTION
CAUSE OR 
DEFINITION
AUTO 
RESET
OPER. 
RESET
44 GE Proprietary and Confidential Information
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
Xx05 1 INV x P.S. Card
INV_OFF / Truck Speed 
Limit 
Inverter xx CPU Card 
+5VDC out of range
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
+5 Volt not in 
Tolerance
2 +15 Volt not in 
Tolerance
INV_OFF / Truck Speed 
Limit 
Inverter xx CPU Card 
+15 
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
VDC out of range DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
3 -15 Volt not in 
Tolerance
INV_OFF / Truck Speed 
Limit 
Inverter xx CPU Card -
15 
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
VDC out of range DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
EVENT 
#
SUB 
CODE
EVENT
DESCRIPTION
RESTRICTION
CAUSE OR 
DEFINITION
AUTO 
RESET
OPER. 
RESET
GE Proprietary and Confidential Information 45
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
6 +24 Volt not in 
Tolerance
INV_OFF / Truck Speed 
Limit 
Inverter xx FODC1 
Card and 
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
current transducer 
+24V out 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
of range CBI: 2
7 -24 Volt not in 
Tolerance
INV_OFF / Truck Speed 
Limit 
Inverter xx FODC1 
Card and 
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
Current Transducer -
24V DC 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
out of range CBI: 2
8 +24-2 Volt not in 
ToleranceINV_OFF / Truck Speed 
Limit 
Inverter xx FODC1 
Card and 
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
current transducer 
+24V out 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
of range CBI: 2
9 -24-2 Volt not in 
Tolerance
INV_OFF / Truck Speed 
Limit 
Inverter xx FODC1 
Card and current 
transducer - 24V out 
of range
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
EVENT 
#
SUB 
CODE
EVENT
DESCRIPTION
RESTRICTION
CAUSE OR 
DEFINITION
AUTO 
RESET
OPER. 
RESET
46 GE Proprietary and Confidential Information
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
10 LEM +15v power 
low
INV_OFF / Truck Speed 
Limit 
LEM +15v power low Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
11 LEM -15v power 
low
INV_OFF / Truck Speed 
Limit 
LEM -15v power low Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
12 GD +15v power 
low
INV_OFF / Truck Speed 
Limit 
GD +15v power low Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
13 Current module 
+/-15v overload
INV_OFF / Truck Speed 
Limit 
Current module +/-15v 
overload
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
14 Tach circuit 
overload
INV_OFF / Truck Speed 
Limit 
Tach circuit overload Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
EVENT 
#
SUB 
CODE
EVENT
DESCRIPTION
RESTRICTION
CAUSE OR 
DEFINITION
AUTO 
RESET
OPER. 
RESET
GE Proprietary and Confidential Information 47
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
15 2nd INV LEM 
+15v power low
INV_OFF / Truck Speed 
Limit 
2nd INV LEM +15v 
power low
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
16 2nd INV LEM -
15v power low
INV_OFF / Truck Speed 
Limit 
2nd INV LEM -15v 
power low
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
17 2nd INV GD +15v 
power low
INV_OFF / Truck Speed 
Limit 
2nd INV GD +15v 
power low
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
18
2nd INV current 
module +/-15v 
overload
INV_OFF / Truck Speed 
Limit 
2nd INV current 
module +/-15v 
overload
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
Xx06 1 INV x DC Wiring 
Fault
INV_OFF / Truck Speed 
Limit 
Inverters xx, DC Link 
connections open 
during VI test
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
 CBI: 2
EVENT 
#
SUB 
CODE
EVENT
DESCRIPTION
RESTRICTION
CAUSE OR 
DEFINITION
AUTO 
RESET
OPER. 
RESET
48 GE Proprietary and Confidential Information
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
DC Power 
Connection 
Open
2
Link and Phase 
Voltage 
Mismatch
INV_OFF / Truck Speed 
Limit 
Inverters xx DC Link 
volts doesn’t match 
voltage sensed by 
Phase voltage 
feedbacks
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
3
Link and 
chopper voltage 
mismatch
INV_OFF / Truck Speed 
Limit 
Link and Chopper 
voltage mismatch
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
Xx07 1 GDPS x Failure
INV_OFF / Truck Speed 
Limit 
Gate Drive Power 
Supply is missing
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
Gate Drive 
Power Supply 
Off
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
2
Gate Drive 
Power Supply 
Off with enable
INV_OFF / Truck Speed 
Limit 
Gate Drive Power Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
Supply is off when link DAB: 2
EVENT 
#
SUB 
CODE
EVENT
DESCRIPTION
RESTRICTION
CAUSE OR 
DEFINITION
AUTO 
RESET
OPER. 
RESET
GE Proprietary and Confidential Information 49
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
CBI: */
TRUCK_SPD_LIM_LOW
charged CBI: 2
3
Multiple Phase 
Modules not Off 
with Enable
INV_OFF / Truck Speed 
Limit 
Multiple phase 
modules not off when 
it should be
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
Xx09 1 INV x Link V 
Sensor-
INV_OFF / Truck Speed 
Limit 
During VI test, Inverter 
xx 
Yes TMC: 3
Link Voltage 
Sensor Failed
DAB: */
TRUCK_SPD_LIM_LOW 
DC Link voltage sensor DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
problem detected CBI: 2
Xx11 1 INV x Input Volt 
Sensor:
INV_OFF / Truck Speed 
Limit 
Filter voltage outside 
limits
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
Filter Voltage 
Outside Limits
EVENT 
#
SUB 
CODE
EVENT
DESCRIPTION
RESTRICTION
CAUSE OR 
DEFINITION
AUTO 
RESET
OPER. 
RESET
50 GE Proprietary and Confidential Information
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
xx13 1 INV x General 
Event
INV_OFF / Truck Speed 
Limit 
Problem detected with Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
Inverter xx Phase A 
current during VI test, 
detected high current
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
Phase A+ 
Current out too 
High
2
Phase A- 
Current out too 
High
INV_OFF / Truck Speed 
Limit 
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
3
Phase B+ 
Current out too 
High
INV_OFF / Truck Speed 
Limit 
Problem detected with 
Inverter xx Phase B 
current during VI test, 
detected high current
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
4
Phase B- 
Current out too 
High
INV_OFF / Truck Speed 
Limit 
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
EVENT 
#
SUB 
CODE
EVENT
DESCRIPTION
RESTRICTION
CAUSE OR 
DEFINITION
AUTO 
RESET
OPER. 
RESET
GE Proprietary and Confidential Information 51
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
5
Phase C+ 
Current out too 
High
INV_OFF / Truck Speed 
Limit 
Problem detected with 
Inverter xx Phase C 
current during VI 
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
Test, detected high 
current
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
6
Phase C- 
Current out too 
High
INV_OFF / Truck Speed 
Limit 
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
7
Phase A+ 
Current out too 
Low
INV_OFF / Truck Speed 
Limit 
Problem detected with 
Inverter xx Phase A 
current during VI test, 
detected low current
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
8
Phase A- 
Current out too 
Low
INV_OFF / Truck Speed 
Limit 
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
9
Phase B+ 
Current out too 
Low
INV_OFF / Truck Speed 
Limit 
Problem detected with 
Inverter xx Phase B 
current during VI 
Yes TMC: 3
EVENT 
#
SUB 
CODE
EVENT
DESCRIPTION
RESTRICTION
CAUSE OR 
DEFINITION
AUTO 
RESET
OPER. 
RESET
52 GE Proprietary and Confidential Information
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
DAB: */
TRUCK_SPD_LIM_LOW 
test, detected low 
current
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
10
Phase B- 
Current out too 
Low
INV_OFF / Truck Speed 
Limit 
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
11
Phase C+ 
Current out too 
Low
INV_OFF / Truck Speed 
Limit 
Problem detected with 
Inverter xx Phase C 
current during VI 
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
Test, detected low 
current
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
12
Phase C- 
Current out too 
Low
INV_OFF / Truck Speed 
Limit 
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
13 Phase A Current 
not Zero
INV_OFF / Truck Speed 
Limit 
Problem detected with 
Inverter xx Phase A 
current during VI test, 
current not zero when 
expected
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
EVENT 
#
SUB 
CODE
EVENT
DESCRIPTION
RESTRICTION
CAUSEOR 
DEFINITION
AUTO 
RESET
OPER. 
RESET
GE Proprietary and Confidential Information 53
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
15 Phase B Current 
not Zero
INV_OFF / Truck Speed 
Limit 
Problem detected with 
Inverter xx Phase B 
current during VI 
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
test, current not zero 
when expected
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
17
Phase A Voltage 
too High while 
Phase A- is ON
INV_OFF / Truck Speed 
Limit 
Problem detected with 
Inverter xx Phase A 
voltage during VI test, 
current not zero when 
expected
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
 DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
18
Phase A Voltage 
too Low while 
Phase A+ is ON
INV_OFF / Truck Speed 
Limit 
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
19
Phase A Voltage 
too High while 
Phase B- is ON
INV_OFF / Truck Speed 
Limit 
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
EVENT 
#
SUB 
CODE
EVENT
DESCRIPTION
RESTRICTION
CAUSE OR 
DEFINITION
AUTO 
RESET
OPER. 
RESET
54 GE Proprietary and Confidential Information
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
20
Phase A Voltage 
too Low while 
Phase B+ is ON
INV_OFF / Truck Speed 
Limit 
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
21
Phase A Voltage 
too High while 
Phase C- is ON
INV_OFF / Truck Speed 
Limit 
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
22
Phase A Voltage 
too Low while 
Phase C+ is ON
INV_OFF / Truck Speed 
Limit 
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
23
Phase B Voltage 
too High while 
Phase A- is ON
INV_OFF / Truck Speed 
Limit 
Problem detected with 
Inverter xx Phase B 
voltage during VI test
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
24
Phase B Voltage 
too Low while 
Phase A+ is ON
INV_OFF / Truck Speed 
Limit 
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
25
Phase B Voltage 
too High while 
Phase B- is ON
INV_OFF / Truck Speed 
Limit 
Yes TMC: 3
EVENT 
#
SUB 
CODE
EVENT
DESCRIPTION
RESTRICTION
CAUSE OR 
DEFINITION
AUTO 
RESET
OPER. 
RESET
GE Proprietary and Confidential Information 55
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
26
Phase B Voltage 
too Low while 
Phase B+ is ON
INV_OFF / Truck Speed 
Limit 
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
27
Phase B Voltage 
too High while 
Phase B- is ON
INV_OFF / Truck Speed 
Limit 
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
28
Phase B Voltage 
too Low while 
Phase C+ is ON
INV_OFF / Truck Speed 
Limit 
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
29
Phase C Voltage 
too High while 
Phase A- is ON
INV_OFF / Truck Speed 
Limit 
Problem detected with 
Inverter xx Phase C 
voltage during VI test
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
30
Phase C Voltage 
too Low while 
Phase A+ is ON
INV_OFF / Truck Speed 
Limit 
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
EVENT 
#
SUB 
CODE
EVENT
DESCRIPTION
RESTRICTION
CAUSE OR 
DEFINITION
AUTO 
RESET
OPER. 
RESET
56 GE Proprietary and Confidential Information
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
31
Phase C Voltage 
too High while 
Phase B- is ON
INV_OFF / Truck Speed 
Limit 
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
32
Phase C Voltage 
too Low while 
Phase B+ is ON
INV_OFF / Truck Speed 
Limit 
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
33
Phase C Voltage 
too High while 
Phase C- is ON
INV_OFF / Truck Speed 
Limit 
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
34
Phase C Voltage 
too Low while 
Phase C+ is ON
INV_OFF / Truck Speed 
Limit 
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
35
Phase A Fault 
Current when 
Phase A+ on
INV_OFF / Truck Speed 
Limit 
Problem detected with 
Inverter xx Phase A 
overcurrent during VI 
test
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
EVENT 
#
SUB 
CODE
EVENT
DESCRIPTION
RESTRICTION
CAUSE OR 
DEFINITION
AUTO 
RESET
OPER. 
RESET
GE Proprietary and Confidential Information 57
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
36
Phase A Fault 
Current when 
Phase A- on
INV_OFF / Truck Speed 
Limit 
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
37
Phase B Fault 
Current when 
Phase B+ on
INV_OFF / Truck Speed 
Limit 
Problem detected with 
Inverter xx Phase B 
overcurrent during VI 
test
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
38
Phase B Fault 
Current when 
Phase B- on
INV_OFF / Truck Speed 
Limit 
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
39
Phase C Fault 
Current when 
Phase C+ on
INV_OFF / Truck Speed 
Limit 
Problem detected with 
Inverter xx Phase C 
overcurrent during VI 
test
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
40
Phase C Fault 
Current when 
Phase C- on
INV_OFF / Truck Speed 
Limit 
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
EVENT 
#
SUB 
CODE
EVENT
DESCRIPTION
RESTRICTION
CAUSE OR 
DEFINITION
AUTO 
RESET
OPER. 
RESET
58 GE Proprietary and Confidential Information
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
48
Phase A Voltage 
High with all 
GTOs Off
INV_OFF / Truck Speed 
Limit 
Problem detected with 
Inverter xx Phase A 
voltage during VI test
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
49
Phase A Voltage 
Low with all 
GTOs Off
INV_OFF / Truck Speed 
Limit 
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
50
Phase B Voltage 
High with all 
GTOs Off
INV_OFF / Truck Speed 
Limit 
Problem detected with 
Inverter xx Phase B 
voltage during VI test
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
51
Phase B Voltage 
Low with all 
GTOs Off
INV_OFF / Truck Speed 
Limit 
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
52
Phase C Voltage 
High with all 
GTOs Off
INV_OFF / Truck Speed 
Limit 
Problem detected with 
Inverter xx Phase C 
voltage during VI test
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
53
Phase C Voltage 
Low with all 
GTOs Off
INV_OFF / Truck Speed 
Limit 
Yes TMC: 3
EVENT 
#
SUB 
CODE
EVENT
DESCRIPTION
RESTRICTION
CAUSE OR 
DEFINITION
AUTO 
RESET
OPER. 
RESET
GE Proprietary and Confidential Information 59
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
54 Possible Phase 
to DC+ Short
INV_OFF / Truck Speed 
Limit 
Inverter xx DC Link 
positive to Phase short 
detected during VI test
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
55 Possible Phase 
to DC- Short
INV_OFF / Truck Speed 
Limit 
Inverter xx DC Link 
negative to Phase 
short detected during 
VI test
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
60 Link Volts above 
PTL
INV_OFF / Truck Speed 
Limit 
Inverter xx DC Link 
voltage excessive
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
70Phase A 
Negative 
Current Low 
(Unbalance)
INV_OFF / Truck Speed 
Limit 
Inverter xx Phase A 
negative current 
unbalanced, low 
current detected
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
71
Phase B 
Negative 
Current Low 
(Unbalance)
INV_OFF / Truck Speed 
Limit 
Inverter xx Phase B 
negative current 
unbalanced, low 
current detected
Yes TMC: 3
EVENT 
#
SUB 
CODE
EVENT
DESCRIPTION
RESTRICTION
CAUSE OR 
DEFINITION
AUTO 
RESET
OPER. 
RESET
60 GE Proprietary and Confidential Information
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
72
Phase C 
Negative 
Current Low 
(Unbalance)
INV_OFF / Truck Speed 
Limit 
Inverter xx Phase C 
negative current 
unbalanced, low 
current detected
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
73
Phase A 
Negative 
Current 
High(Unbalance)
INV_OFF / Truck Speed 
Limit 
Inverter xx Phase A 
negative current 
unbalanced, high 
current detected
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
74
Phase B 
Negative 
Current 
High(Unbalance)
INV_OFF / Truck Speed 
Limit 
Inverter xx Phase B 
negative current 
unbalanced, high 
current detected
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
75
Phase C 
Negative 
Current 
High(Unbalance)
INV_OFF / Truck Speed 
Limit 
Inverter xx Phase C 
negative current 
unbalanced, high 
current detected
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
76
Phase A Positive 
Current Low 
(Unbalance)
INV_OFF / Truck Speed 
Limit 
Inverter xx Phase A 
positive current 
unbalanced, low 
current detected
Yes TMC: 3
EVENT 
#
SUB 
CODE
EVENT
DESCRIPTION
RESTRICTION
CAUSE OR 
DEFINITION
AUTO 
RESET
OPER. 
RESET
GE Proprietary and Confidential Information 61
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
77
Phase B Positive 
Current Low 
(Unbalance)
INV_OFF / Truck Speed 
Limit 
Inverter xx Phase B 
positive current 
unbalanced, low 
current detected
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
78
Phase C Positive 
Current Low 
(Unbalance)
INV_OFF / Truck Speed 
Limit 
Inverter xx Phase C 
positive current 
unbalanced, low 
current detected
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
79
Phase A Positive 
Current 
High(Unbalance)
INV_OFF / Truck Speed 
Limit 
Inverter xx Phase A 
positive current 
unbalanced, high 
current detected
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
80
Phase B Positive 
Current 
High(Unbalance)
INV_OFF / Truck Speed 
Limit 
Inverter xx Phase B 
positive current 
unbalanced, high 
current detected
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
81
Phase C Positive 
Current 
High(Unbalance)
INV_OFF / Truck Speed 
Limit 
Inverter xx Phase C 
positive current 
unbalanced, high 
current detected
Yes TMC: 3
EVENT 
#
SUB 
CODE
EVENT
DESCRIPTION
RESTRICTION
CAUSE OR 
DEFINITION
AUTO 
RESET
OPER. 
RESET
62 GE Proprietary and Confidential Information
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
82 No Current 
While Running
INV_OFF / Truck Speed 
Limit 
Inverter xx phase 
current zero while 
running
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
83
Excessive Regen 
while in 
Motoring
INV_OFF / Truck Speed 
Limit 
Inverter xx detected 
high Link voltage 
during propel with 
torque feedback 
opposite polarity 
command
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
84 Phase C Current 
out not zero
INV_OFF / Truck Speed 
Limit 
Problem detected with 
Inverter xx Phase C 
current during VI test
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
85
Phase A2 
Current Out not 
zero
INV_OFF / Truck Speed 
Limit 
Problem detected with 
Inverter xx Phase A2 
current during VI test
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
86
Phase B2 
Current Out not 
zero
INV_OFF / Truck Speed 
Limit 
Problem detected with 
Inverter xx Phase B2 
current during VI test
Yes TMC: 3
EVENT 
#
SUB 
CODE
EVENT
DESCRIPTION
RESTRICTION
CAUSE OR 
DEFINITION
AUTO 
RESET
OPER. 
RESET
GE Proprietary and Confidential Information 63
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
87
Phase C2 
Current Out not 
zero
INV_OFF / Truck Speed 
Limit 
Problem detected with 
Inverter xx Phase C2 
current during VI test
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
88 Instantaneous 
link overvoltage
INV_OFF / Truck Speed 
Limit 
Instantaneous link 
overvoltage
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
Xx14 22 INV x (NR) 
General Event
SYSTEM EVENT 
Inverter xx CPU card 
input channel problem 
detected
Yes TMC: 3
DAB: 2
CBI: 2
Low Frequency 
on IA Channel
24 Low Frequency 
on IB Channel
SYSTEM EVENT Yes TMC: 3
DAB: 2
CBI: 2
26
Low Frequency 
on VCO Link 
Filter
SYSTEM EVENT Yes TMC: 3
DAB: 2
CBI: 2
28 Low Frequency 
on VCO In Filter
SYSTEM EVENT Yes TMC: 3
DAB: 2
CBI: 2
EVENT 
#
SUB 
CODE
EVENT
DESCRIPTION
RESTRICTION
CAUSE OR 
DEFINITION
AUTO 
RESET
OPER. 
RESET
64 GE Proprietary and Confidential Information
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
38 Link Voltage Too 
Low
SYSTEM EVENT Yes TMC: 3
DAB: 2
CBI: 2
40
Input Filter 
Voltagte Too 
Low
SYSTEM EVENT Yes TMC: 3
DAB: 2
CBI: 2
46
Low Frequency 
on VCO Chopper 
Channel
SYSTEM EVENT Yes TMC: 3
DAB: 2
CBI: 2
48 Chopper Voltage 
too Low
SYSTEM EVENT Yes TMC: 3
DAB: 2
CBI: 2
50
Low Frequency 
on VCO VA 
Channel
SYSTEM EVENT Yes TMC: 3
DAB: 2
CBI: 2
52
Low Frequency 
on VCO VB 
Channel
SYSTEM EVENT Yes TMC: 3
DAB: 2
CBI: 2
54
Low Frequency 
on VCO VC 
Channel
SYSTEM EVENT Yes TMC: 3
DAB: 2
CBI: 2
56 VA Voltage too 
Low
SYSTEM EVENT 
Inverter xx CPU card 
VA input channel too 
negative
Yes TMC: 3
DAB: 2
CBI: 2
58 VB Voltage too 
Low
SYSTEM EVENT 
Inverter xx CPU card 
VB input channel too 
negative
Yes TMC: 3
DAB: 2
CBI: 2
EVENT 
#
SUB 
CODE
EVENT
DESCRIPTION
RESTRICTION
CAUSE OR 
DEFINITION
AUTO 
RESET
OPER. 
RESET
GE Proprietary and Confidential Information 65
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
61 VC Voltage too 
Low
SYSTEM EVENT 
Inverter xx CPU card 
VC 
Yes TMC: 3
input channel too 
negative
DAB: 2
CBI: 2
65
High negative 
dV/dt with PTF 
while braking
SYSTEM EVENT 
High negative dv/dt 
with Protective turn off 
while braking
Yes TMC: 3
DAB: 2
CBI: 2
66
Out of Sat 
Cluster 
(REMOVED)
SYSTEM EVENT 
Inverter xx CPU card 
detected many out of 
Saturation faults
Yes TMC: 3
DAB: 2
CBI: 2
67 Ground fault 
detected
SYSTEM EVENT Ground fault detected Yes TMC: 3
DAB: 2
CBI: 2
Xx15 1 INV xx System 
Fault
INV_OFF / Truck Speed 
Limit 
Inverter xx DSC/PSC Yes TMC: 3
DAB: communication error, DAB: 2
SYSTEM EVENT
DSC/PSC direction 
request missing or 
opposite truck travel
CBI: 2
CBI: */
TRUCK_SPD_LIM_LOW
No Direction 
Called for
EVENT 
#
SUB 
CODE
EVENT
DESCRIPTION
RESTRICTION
CAUSE OR 
DEFINITION
AUTO 
RESET
OPER. 
RESET
66 GE Proprietary and Confidential Information
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
2
Calling Forward 
moving 
backward
INV_OFF / Truck Speed 
LimitYes TMC: 3
DAB: DAB: 2
SYSTEM EVENT CBI: 2
CBI: */
TRUCK_SPD_LIM_LOW
3
Calling 
backward 
moving foward
INV_OFF / Truck Speed 
Limit 
Yes TMC: 3
DAB: DAB: 2
SYSTEM EVENT CBI: 2
CBI: */
TRUCK_SPD_LIM_LOW
4 Input Voltage 
too low
INV_OFF / Truck Speed 
Limit 
input voltage too low Yes TMC: 3
DAB: DAB: 2
SYSTEM EVENT CBI: 2
CBI: */
TRUCK_SPD_LIM_LOW
5 Link Filter 
Voltage too low
INV_OFF / Truck Speed 
Limit 
Run request from DSC/
PSC is active while 
Inverter xx DC Link 
voltage feedback is 
low
Yes TMC: 3
DAB: DAB: 2
SYSTEM EVENT CBI: 2
CBI: */
TRUCK_SPD_LIM_LOW
6 No High Speed 
Data from PSC
INV_OFF / Truck Speed 
Limit 
Inverter xx DSC/PSC 
communication link 
lost 
Yes TMC: 3
DAB: DAB: 2
SYSTEM EVENT CBI: 2
CBI: */
TRUCK_SPD_LIM_LOW
EVENT 
#
SUB 
CODE
EVENT
DESCRIPTION
RESTRICTION
CAUSE OR 
DEFINITION
AUTO 
RESET
OPER. 
RESET
GE Proprietary and Confidential Information 67
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
7 Link Voltage not 
OK
INV_OFF / Truck Speed 
Limit 
Link Voltage not OK Yes TMC: 3
DAB: DAB: 2
SYSTEM EVENT CBI: 2
CBI: */
TRUCK_SPD_LIM_LOW
8 Line Current not 
OK
INV_OFF / Truck Speed 
Limit 
Line Current not OK Yes TMC: 3
DAB: DAB: 2
SYSTEM EVENT CBI: 2
CBI: */
TRUCK_SPD_LIM_LOW
9
System 
Communication 
TIC not updating
INV_OFF / Truck Speed 
Limit 
Inverter xx DSC/PSC 
communication link 
lost
Yes TMC: 3
DAB: DAB: 2
SYSTEM EVENT CBI: 2
CBI: */
TRUCK_SPD_LIM_LOW
10
Chopper 
Junction Too 
Hot
INV_OFF / Truck Speed 
Limit 
Inverter xx detects 
both 
Yes TMC: 3
 DAB: 
Chopper Mod- ules 
IGBT’s are 
DAB: 2
SYSTEM EVENT hot CBI: 2
CBI: */
TRUCK_SPD_LIM_LOW
EVENT 
#
SUB 
CODE
EVENT
DESCRIPTION
RESTRICTION
CAUSE OR 
DEFINITION
AUTO 
RESET
OPER. 
RESET
68 GE Proprietary and Confidential Information
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
11 Inverter 
Junction too Hot
INV_OFF / Truck Speed 
Limit 
Inverter xx detects one 
or 
Yes TMC: 3
DAB: 
more Phase Module 
IGBT’s 
DAB: 2
SYSTEM EVENT are hot CBI: 2
CBI: */
TRUCK_SPD_LIM_LOW
Xx16 1 Phase A Module 
did not Turn off
INV_OFF / Truck Speed 
Limit 
A Phase Modules did 
not turn OFF when 
commanded
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
2 Overcurrent on 
Phase A
INV_OFF / Truck Speed 
Limit 
A Phase Modules Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
excessive over- 
current 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
condition detected CBI: 2
4 IGBT Saturation 
flt on A+
INV_OFF / Truck Speed 
Limit 
Phase A+ has 
experienced an 
overcurrent 
(saturation) condition
Yes TMC: 3
EVENT 
#
SUB 
CODE
EVENT
DESCRIPTION
RESTRICTION
CAUSE OR 
DEFINITION
AUTO 
RESET
OPER. 
RESET
GE Proprietary and Confidential Information 69
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
5 IGBT Saturation 
flt on A-
INV_OFF / Truck Speed 
Limit 
Phase A- has 
experienced an 
overcurrent 
(saturation) condition
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
6 Unequal current 
sharing in A+
INV_OFF / Truck Speed 
Limit 
Unequal current 
sharing in A+
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
7 Unequal current 
sharing in A-
INV_OFF / Truck Speed 
Limit 
Unequal current 
sharing in A-
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
Xx17 1 INV x Phase A+ 
Fault
INV_OFF / Truck Speed 
Limit 
Phase Module A+ did 
not turn OFF when 
commanded
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
Phase A+ 
Module did not 
Turn off
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
2
Phase A+ 
Feedback not 
OFF
INV_OFF / Truck Speed 
Limit 
During VI Test, Inverter 
xx , Phase Module A+ 
did not turn OFF when 
expected
Yes TMC: 3
EVENT 
#
SUB 
CODE
EVENT
DESCRIPTION
RESTRICTION
CAUSE OR 
DEFINITION
AUTO 
RESET
OPER. 
RESET
70 GE Proprietary and Confidential Information
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
3 Phase A+ 
Module Failed
INV_OFF / Truck Speed 
Limit 
Inverter xx , Phase 
Module A+ was 
detected as failed 
during VI test
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
4 Phae A+ and A- 
modules on.
INV_OFF / Truck Speed 
Limit 
Inverter xx Phase 
Module A+ turned ON 
while Phase Module A- 
was detected ON
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
5
Phase A+ 
Feedback not 
ON
INV_OFF / Truck Speed 
Limit 
During VI Test, Inverter 
xx Phase Mod- ule A+ 
did not turn ON when 
commanded
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
6
Phase A+ 
Module did not 
turn ON
INV_OFF / Truck Speed 
Limit 
While running, Inverter 
xx , Phase Module A+ 
did not turn ON when 
commanded
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
7 IGBT PS Fault on 
A+
INV_OFF / Truck Speed 
Limit 
Inverter xx , Phase Yes TMC: 3
EVENT 
#
SUB 
CODE
EVENT
DESCRIPTION
RESTRICTION
CAUSE OR 
DEFINITION
AUTO 
RESET
OPER. 
RESET
GE Proprietary and Confidential Information 71
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
DAB: */
TRUCK_SPD_LIM_LOW 
Module A+ gate driver 
power supply problem 
detected
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
Xx18 2 INV x Phase A+ 
(NR) Event
SYSEVENT / None
Inverter xx ,INV A+ NR 
AUP Temp Short.
Yes TMC: 3
DAB: 2
INV A+ NR 
AUP_TEMP_SHO
RT
CBI: 2
3
INV A+ NR 
AUP_TEMP_OPE
N
SYSEVENT / None
Inverter xx ,INV A+ NR 
AUP Temp open
Yes TMC: 3
DAB: 2
CBI: 2
4
INV A+ NR 
AUP_TEMP_WAR
M
SYSEVENT / None
Inverter xx ,INV A+ NR 
AUP Temp warm
Yes TMC: 3
DAB: 2
CBI: 2
5 INV A+ NR 
AUP_TEMP_HOT
SYSEVENT / None
Inverter xx ,INV A+ NR 
AUP Temp hot
Yes TMC: 3
DAB: 2
CBI: 2
6
Phase A+ not Off 
with Enable/DC 
Volts
SYSEVENT / None
Inverter xx ,Phase A+ 
not Off with Enable/DC 
Volts
Yes TMC: 3
DAB: 2
CBI: 2
7
A+ ON/OFF Edge 
Delay out or 
range
SYSEVENT / None
Inverter xx ,A+ ON/OFF 
Edge Delay out or 
range
Yes TMC: 3
DAB: 2
*For dual IGBT 
systems only
CBI: 2
EVENT 
#
SUB 
CODE
EVENT
DESCRIPTION
RESTRICTION
CAUSE OR 
DEFINITION
AUTO 
RESET
OPER. 
RESET
72 GE Proprietary and Confidential Information
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
Xx19 1 INV x Phase A- 
Event
INV_OFF / Truck Speed 
Limit 
Inverter xx , Phase 
Module A- did not turn 
OFF when 
commanded
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
Phase A- Module 
did not Turn off
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
2
Phase A- 
Feedback not 
OFF
INV_OFF / Truck Speed 
Limit 
During VI Test, Inverter 
xx , Phase Module A- 
did not turn OFF when 
expected
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
3 Phase A- Module 
Failed
INV_OFF / Truck Speed 
Limit 
Inverter xx , Phase 
Module A- was 
detected as failed 
during VI test
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
4 Phase A+ and A- 
modules on.
INV_OFF / Truck Speed 
Limit 
Inverter xx , Phase 
Module A- detected 
ON while Phase 
Module A+ 
commanded ON
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
5
Phase A- 
Feedback not 
ON
INV_OFF / Truck Speed 
Limit 
During VI Test, Inverter 
xx Phase Mod- ule A- 
did not turn ON when 
com- manded
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
EVENT 
#
SUB 
CODE
EVENT
DESCRIPTION
RESTRICTION
CAUSE OR 
DEFINITION
AUTO 
RESET
OPER. 
RESET
GE Proprietary and Confidential Information 73
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
CBI: */
TRUCK_SPD_LIM_LOWCBI: 2
6 Phase A- Module 
did not turn ON
INV_OFF / Truck Speed 
Limit 
While running, Inverter 
xx , Phase Mod- ule A- 
did not turn ON when 
com- manded
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
7 IGBT PS Fault on 
A-
INV_OFF / Truck Speed 
Limit 
Inverter xx , Phase 
Module A- gate driver 
power supply problem 
detected
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
Xx20 2 INV x Phase A- 
(NR) Event
SYSEVENT / None
Inverter xx ,INV A+ NR 
ADN Temp Short.
Yes TMC: 3
DAB: 2
INV A- NR 
ADN_TEMP_SHO
RT
CBI: 2
3
INV A- NR 
ADN_TEMP_OPE
N
SYSEVENT / None Yes TMC: 3
DAB: 2
Inverter xx , INV A+ NR 
ADN Temp open
CBI: 2
4
INV A- NR 
ADN_TEMP_WA
RM
SYSEVENT / None
Inverter xx , INV A+ NR 
ADN Temp warm
Yes TMC: 3
DAB: 2
CBI: 2
5 INV A- NR 
ADN_TEMP_HOT
SYSEVENT / None
Inverter xx , INV A+ NR 
ADN Temp hot
Yes TMC: 3
DAB: 2
CBI: 2
EVENT 
#
SUB 
CODE
EVENT
DESCRIPTION
RESTRICTION
CAUSE OR 
DEFINITION
AUTO 
RESET
OPER. 
RESET
74 GE Proprietary and Confidential Information
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
6
Phase A- Not off 
with Enable/Dc 
Volts
SYSEVENT / None
Inverter xx , Phase 
Module A- is not OFF 
when expected with 
the DC Link energized
Yes TMC: 3
DAB: 2
CBI: 2
7
A - ON/OFF edge 
delay out of 
range
SYSEVENT / None
Inverter xx A- Phase 
Module Edge Delay 
Out Of Range
Yes TMC: 3
DAB: 2
CBI: 2
Xx21 1 INV x Phase A 
Current Event
INV_OFF / Truck Speed 
Limit 
Inverter xx , Phase A 
current sensor was 
determined as failed 
during VI test
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
Phase A Current 
Sensor Failed
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
2 Current IA not 
zero at Startup
INV_OFF / Truck Speed 
Limit 
Inverter xx , Phase A 
Phase Modules current 
sensor signal was not 
zero at startup
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
3 A Phase Current 
too HIgh
INV_OFF / Truck Speed 
Limit 
Current feedback from 
Inverter xx , Phase A 
Phase Modules is 
higher than expected
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
Xx23 1 INV x phase A 
Voltage Event
INV_OFF / Truck Speed 
Limit 
Inverter xx Phase A 
voltage sensor was 
determined failed 
during VI test
Yes TMC: 3
EVENT 
#
SUB 
CODE
EVENT
DESCRIPTION
RESTRICTION
CAUSE OR 
DEFINITION
AUTO 
RESET
OPER. 
RESET
GE Proprietary and Confidential Information 75
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
Phase A Voltage 
Sensor Failed
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
2 Phase A Voltage 
too High
INV_OFF / Truck Speed 
Limit 
Inverter xx , Phase A 
voltage feedback is 
higher than expected
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
Xx25 1 INV x Phase B+/
B- Event
INV_OFF / Truck Speed 
Limit 
Inverter xx , B Phase 
Modules did not turn 
OFF when 
commanded
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
Phase B Module 
did not Turn off
2 Overcurrent on 
Phase B
INV_OFF / Truck Speed 
Limit 
Inverter xx , B Phase 
Modules excessive 
current condition was 
detected
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
4 IGBT Saturation 
flt on B+
INV_OFF / Truck Speed 
Limit 
Inverter xx , Phase 
Module B+ has 
experienced an 
overcurrent 
(saturation) condition
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
EVENT 
#
SUB 
CODE
EVENT
DESCRIPTION
RESTRICTION
CAUSE OR 
DEFINITION
AUTO 
RESET
OPER. 
RESET
76 GE Proprietary and Confidential Information
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
5 IGBT Saturation 
flt on B-
INV_OFF / Truck Speed 
Limit 
Inverter xx , Phase 
Module B- has 
experienced an 
overcurrent 
(saturation) condition
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
6 Unequal current 
sharing in B+
INV_OFF / Truck Speed 
Limit 
Inverter xx , Unequal 
current sharing in B+
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
7 Unequal current 
sharing in B-
INV_OFF / Truck Speed 
Limit 
Inverter xx , Unequal 
current sharing in B-
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
Xx26 1 INV x Phase B+ 
Event
INV_OFF / Truck Speed 
Limit 
Inverter xx , Phase 
Module B+ did not turn 
OFF when 
commanded
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
Phase B+ 
Module did not 
Turn off
EVENT 
#
SUB 
CODE
EVENT
DESCRIPTION
RESTRICTION
CAUSE OR 
DEFINITION
AUTO 
RESET
OPER. 
RESET
GE Proprietary and Confidential Information 77
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
2
Phase B+ 
Feedback not 
OFF
INV_OFF / Truck Speed 
Limit 
During VI Test, Inverter 
xx , Phase Module B+ 
did not turn OFF when 
expected
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
3 Phase B+ 
Module Failed
INV_OFF / Truck Speed 
Limit 
Inverter xx , Phase 
Module B+ was 
detected as failed 
during VI test
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
4 Phase B+ and B- 
modules on.
INV_OFF / Truck Speed 
Limit 
Inverter xx , Phase 
Module B+ was ON 
while Phase Module B- 
is commanded ON
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
5
Phase B+ 
Feedback not 
ON
INV_OFF / Truck Speed 
Limit 
During VI Test, Inverter 
xx , Phase Module B+ 
did not turn ON when 
commanded
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
6
Phase B+ 
Module did not 
turn ON
INV_OFF / Truck Speed 
Limit 
While running, Inverter 
xx , Phase Mod- ule B+ 
did not turn ON when 
commanded ON
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
EVENT 
#
SUB 
CODE
EVENT
DESCRIPTION
RESTRICTION
CAUSE OR 
DEFINITION
AUTO 
RESET
OPER. 
RESET
78 GE Proprietary and Confidential Information
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
7 IGBT PS Fault on 
B+
INV_OFF / Truck Speed 
Limit 
Inverter xx , Phase 
Module B+ gate driver 
power supply problem 
detected
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
Xx27 2 INV x Phase B+ 
(NR) Event
SYSEVENT / None
Inverter xx , INV B+ NR 
BUP Temp Short.
Yes TMC: 3
DAB: 2
INV B+ NR 
BUP_TEMP_SHO
RT
CBI: 2
3
INV B+ NR 
BUP_TEMP_OPE
N
SYSEVENT / None Yes TMC: 3
DAB: 2
Inverter xx , INV B+ NR 
BUP Temp open
CBI: 2
4
INV B+ NR 
BUP_TEMP_WAR
M
SYSEVENT / None
Inverter xx , INV B+ NR 
BUP Temp warm
Yes TMC: 3
DAB: 2
CBI: 2
5 INV B+ NR 
BUP_TEMP_HOT
SYSEVENT / None
Inverter xx , INVB+ NR 
BUP Temp hot
Yes TMC: 3
DAB: 2
CBI: 2
6
Phase B+ not Off 
with Enable/DC 
Volts
SYSEVENT / None
Inverter xx , Phase 
Module B+ is not OFF 
when expected with 
the DC Link energized
Yes TMC: 3
DAB: 2
CBI: 2
07*
B+ ON/OFF Edge 
Delay out or 
range
SYSEVENT / None
Inverter XX B+ Phase 
Module edge delay 
Out of Range
Yes TMC: 3
DAB: 2
EVENT 
#
SUB 
CODE
EVENT
DESCRIPTION
RESTRICTION
CAUSE OR 
DEFINITION
AUTO 
RESET
OPER. 
RESET
GE Proprietary and Confidential Information 79
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
* for Dual IGBT 
Systems only
CBI: 2
Xx28 1 INV x Phase B- 
Event
INV_OFF / Truck Speed 
Limit 
Inverter xx , Phase 
Module B- did not turn 
OFF when 
commanded
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
Phase B- Module 
did not Turn off
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
2
Phase B- 
Feedback not 
OFF
INV_OFF / Truck Speed 
Limit 
During VI Test, Inverter 
xx , Phase Module B- 
did not turn OFF when 
expected
Yes TMC:3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
3 Phase B- Module 
Failed
INV_OFF / Truck Speed 
Limit 
Inverter xx , Phase 
Module B- was 
detected as failed 
during VI test
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
4 Phase B+ and B- 
modules on.
INV_OFF / Truck Speed 
Limit 
Inverter xx Phase 
Module B- turned ON 
while Phase Module B+ 
were com- manded 
ON
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
5
Phase B- 
Feedback not 
ON
INV_OFF / Truck Speed 
Limit 
During VI Test, Inverter 
xx , Phase Mod- ule B- 
did not turn ON when 
com- manded
Yes TMC: 3
EVENT 
#
SUB 
CODE
EVENT
DESCRIPTION
RESTRICTION
CAUSE OR 
DEFINITION
AUTO 
RESET
OPER. 
RESET
80 GE Proprietary and Confidential Information
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
6 Phase B- Module 
did not turn ON
INV_OFF / Truck Speed 
Limit 
While running, Inverter 
xx , Phase Mod- ule B- 
did not turn ON when 
com- manded
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
7 IGBT PS Fault on 
B-
INV_OFF / Truck Speed 
Limit 
Inverter xx , Phase 
Module B-gate driver 
power supply problem 
detected
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
Xx29 2 INV x Phase B- 
(NR) ) Event
SYSEVENT / None
Inverter xx , INV B- NR 
BDN Temp Short.
Yes TMC: 3
DAB: 2
INV B- NR 
BDN_TEMP_SHO
RT
CBI: 2
3
INV B- NR 
BDN_TEMP_OPE
N
SYSEVENT / None Yes TMC: 3
Inverter xx, DAB: 2
INV B- NR BDN Temp 
open
CBI: 2
4
INV B- NR 
BDN_TEMP_WA
RM
SYSEVENT / None
Inverter xx , INV B- NR 
BDN Temp warm
Yes TMC: 3
DAB: 2
CBI: 2
5 INV B- NR 
BDN_TEMP_HOT
SYSEVENT / None
Inverter xx , INV B- NR 
BDN Temp hot
Yes TMC: 3
DAB: 2
EVENT 
#
SUB 
CODE
EVENT
DESCRIPTION
RESTRICTION
CAUSE OR 
DEFINITION
AUTO 
RESET
OPER. 
RESET
GE Proprietary and Confidential Information 81
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
CBI: 2
6
Phase B- Not off 
with Enable/Dc 
Volts
SYSEVENT / None
Inverter xx , Phase 
Module B- is not OFF 
when expected with 
the DC Link energized
Yes TMC: 3
DAB: 2
CBI: 2
7
B - ON/OFF edge 
delay out of 
range
SYSEVENT / None
Inverter XX B- Phase 
Module Edge Delay 
Out of Range
Yes TMC: 3
DAB: 2
CBI: 2
Xx30 1 INV x Phase B 
Current Event
INV_OFF / Truck Speed 
Limit 
Inverter xx , Phase 
Module B current 
sensor was 
determined as failed 
during VI test
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
Phase B Current 
Sensor Failed
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
2 Current IB not 
zero at Startup
INV_OFF / Truck Speed 
Limit 
Inverter xx , Phase 
Module B current 
sensor signal was not 
zero at startup
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
3 B Phase Current 
too HIgh
INV_OFF / Truck Speed 
Limit 
Current feedback from 
Inverter xx , B Phase 
Modules current is 
higher than expected
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
EVENT 
#
SUB 
CODE
EVENT
DESCRIPTION
RESTRICTION
CAUSE OR 
DEFINITION
AUTO 
RESET
OPER. 
RESET
82 GE Proprietary and Confidential Information
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
Xx32 1 INV x phase B 
Voltage Event
INV_OFF / Truck Speed 
Limit 
Inverter xx , B Phase 
Modules voltage 
sensor failed during VI 
test
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
Phase B Voltage 
Sensor Failed
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
2 Phase B Voltage 
too High
INV_OFF / Truck Speed 
Limit 
Inverter xx , B Phase 
Modules voltage 
feedback is higher 
than expected
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
Xx34 1 INV x Phase C+/
C- Event
INV_OFF / Truck Speed 
Limit 
Inverter xx , C Phase 
Modules did not turn 
off when commanded
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
Phase C Module 
did not Turn off
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
2 Overcurrent on 
Phase C
INV_OFF / Truck Speed 
Limit 
Inverter xx , Phase 
Modules C overcurrent 
condition was 
detected
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
4 IGBT Saturation 
flt on C+
INV_OFF / Truck Speed 
Limit 
Inverter xx , Phase 
Module C+ has 
experienced an 
overcurrent 
(saturation) condition
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
EVENT 
#
SUB 
CODE
EVENT
DESCRIPTION
RESTRICTION
CAUSE OR 
DEFINITION
AUTO 
RESET
OPER. 
RESET
GE Proprietary and Confidential Information 83
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
5 IGBT Saturation 
flt on C-
INV_OFF / Truck Speed 
Limit 
Inverter xx , Phase 
Module C- has 
experienced an 
overcurrent 
(saturation) condition
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
6 Unequal current 
sharing in C+
INV_OFF / Truck Speed 
Limit 
Inverter xx , Unequal 
current sharing in C+
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
7 Unequal current 
sharing in C-
INV_OFF / Truck Speed 
Limit 
Inverter xx , Unequal 
current sharing in C-
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
Xx35 1 INV x Phase C+ 
Event
INV_OFF / Truck Speed 
Limit 
Inverter xx , Phase 
Module C+ did not turn 
OFF when 
commanded
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
Phase C+ 
Module did not 
Turn off
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
2
Phase C+ 
Feedback not 
OFF
INV_OFF / Truck Speed 
Limit 
During VI Test, Inverter 
xx , Phase Module C+ 
did not turn OFF when 
expected
Yes TMC: 3
EVENT 
#
SUB 
CODE
EVENT
DESCRIPTION
RESTRICTION
CAUSE OR 
DEFINITION
AUTO 
RESET
OPER. 
RESET
84 GE Proprietary and Confidential Information
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
3 Phase C+ 
Module Failed
INV_OFF / Truck Speed 
Limit 
Inverter xx , Phase 
Module C+ was 
detected as failed 
during VI test
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
4 Phase C+ and C- 
modules on.
INV_OFF / Truck Speed 
Limit 
Inverter xx , Phase 
Module C+ turned ON 
while Phase C- 
commanded ON
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
5
Phase C+ 
Feedback not 
ON
INV_OFF / Truck Speed 
Limit 
During VI Test, Inverter 
xx , Phase Module C+ 
did not turn ON when 
commanded
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
6
Phase C+ 
Module did not 
turn ON
INV_OFF / Truck Speed 
Limit 
Inverter xx , Phase 
Module C+ did not turn 
ON when commanded
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
7 IGBT PS Fault on 
C+
INV_OFF / Truck Speed 
Limit 
Inverter xx , Phase 
Module C+ gate driver 
power supply problem 
detected
Yes TMC: 3
EVENT 
#
SUB 
CODE
EVENT
DESCRIPTION
RESTRICTION
CAUSE OR 
DEFINITION
AUTO 
RESET
OPER. 
RESET
GE Proprietary and Confidential Information 85
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
Xx36 2 INV x Phase C+ 
(NR) Event
SYSEVENT / None
Inverter xx , INV C+ NR 
CUP Temp Short.
Yes TMC: 3
DAB: 2
INV C+ NR 
CUP_TEMP_SHO
RT
CBI: 2
3
INV C+ NR 
CUP_TEMP_OPE
N
SYSEVENT / None Yes TMC: 3
DAB: 2
Inverter xx , INV C+ NR 
CUP Temp open
CBI: 2
4
INV C+ NR 
CUP_TEMP_WAR
M
SYSEVENT / None
Inverter xx , INV C+ NR 
CUP Temp warm
Yes TMC: 3
DAB: 2
CBI: 2
5 INV C+ NR 
CUP_TEMP_HOT
SYSEVENT / None
Inverter xx , INV C+ NR 
CUP Temp hot
Yes TMC: 3
DAB: 2
CBI: 2
6
Phase C+ not Off 
with Enable/DCVolts
SYSEVENT / None
Inverter xx , Phase 
Module C+ is not OFF 
when expected with 
the DC Link energized
Yes TMC: 3
DAB: 2
CBI: 2
7
* C+ ON/OFF 
Edge Delay out 
or range
SYSEVENT / None
Inverter XX C+ Phase 
Module Edge Delay 
Out of Range
Yes TMC: 3
DAB: 2
*for Dual IGBT 
Systems only
CBI: 2
EVENT 
#
SUB 
CODE
EVENT
DESCRIPTION
RESTRICTION
CAUSE OR 
DEFINITION
AUTO 
RESET
OPER. 
RESET
86 GE Proprietary and Confidential Information
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
Xx37 1 INV x Phase C- 
Event
INV_OFF / Truck Speed 
Limit 
Inverter xx , Phase 
Module C- did not turn 
OFF when 
commanded
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
Phase C- Module 
did not Turn off
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
2
Phase C- 
Feedback not 
OFF
INV_OFF / Truck Speed 
Limit 
During VI Test, Inverter 
xx , Phase Module C- 
did not turn OFF when 
expected
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
3 Phase C- Module 
Failed
INV_OFF / Truck Speed 
Limit 
Inverter xx , Phase 
Module C- was 
detected as failed 
during VI test
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
4 Phase C+ and C- 
modules on.
INV_OFF / Truck Speed 
Limit 
Inverter xx , Phase 
Module C- detected 
ON while Phase C+ 
was commanded ON
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
5
Phase C- 
Feedback not 
ON
INV_OFF / Truck Speed 
Limit 
During VI Test, Inverter 
xx , Phase Module C- 
did not turn ON when 
commanded
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
EVENT 
#
SUB 
CODE
EVENT
DESCRIPTION
RESTRICTION
CAUSE OR 
DEFINITION
AUTO 
RESET
OPER. 
RESET
GE Proprietary and Confidential Information 87
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
6 Phase C- Module 
did not turn ON
INV_OFF / Truck Speed 
Limit 
Inverter xx , Phase 
Module C- did not turn 
ON when commanded
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
7 IGBT PS Fault on 
C-
INV_OFF / Truck Speed 
Limit 
Inverter xx , Phase 
Module C- gate driver 
power supply problem 
detected
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
Xx38 2 INV x Phase C- 
(NR) Event
SYSEVENT / None
Inverter xx , INV C- NR 
CDN Temp Short.
Yes TMC: 3
DAB: 2
INV C- NR 
CDN_TEMP_SHO
RT
CBI: 2
3
INV C- NR 
CDN_TEMP_OPE
N
SYSEVENT / None Yes TMC: 3
DAB: 2
Inverter xx , INV C- NR 
CDN Temp open
CBI: 2
4
INV C- NR 
CDN_TEMP_WA
RM
SYSEVENT / None
Inverter xx , INV C- NR 
CDN Temp warm
Yes TMC: 3
DAB: 2
CBI: 2
5 INV C- NR 
CDN_TEMP_HOT
SYSEVENT / None
Inverter xx , INV C- NR 
CDN Temp hot
Yes TMC: 3
DAB: 2
CBI: 2
EVENT 
#
SUB 
CODE
EVENT
DESCRIPTION
RESTRICTION
CAUSE OR 
DEFINITION
AUTO 
RESET
OPER. 
RESET
88 GE Proprietary and Confidential Information
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
6
Phase C- Not off 
with Enable/Dc 
Volts
SYSEVENT / None
Inverter xx , Phase 
Module C- is not OFF 
when expected with 
the DC Link energized
Yes TMC: 3
DAB: 2
CBI: 2
7
* C- ON/OFF 
edge delay out 
of range
SYSEVENT / None
Inverter XX C- Phase 
Module Edge Delay 
Out of Range
Yes TMC: 3
DAB: 2
CBI: 2
Xx39 1 Inv X Phase C 
Current Event
INV_OFF / Truck Speed 
Limit 
Inverter xx Phase C 
Current Sensor Failed
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
 
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
Phase C Current 
Sensor Failed
3 C Phase Current 
too High
INV_OFF / Truck Speed 
Limit 
 Inverter xx C Phase 
Current signal too 
High
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
* for Dual IGBT 
Systems only
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
Xx41 1 INV x phase C 
Voltage Event
INV_OFF / Truck Speed 
Limit 
Inverter xx, C Phase 
Modules voltage 
sensor determined 
failed during VI test
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
Phase C Voltage 
Sensor Failed
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
EVENT 
#
SUB 
CODE
EVENT
DESCRIPTION
RESTRICTION
CAUSE OR 
DEFINITION
AUTO 
RESET
OPER. 
RESET
GE Proprietary and Confidential Information 89
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
2 Phase C Voltage 
too High
INV_OFF / Truck Speed 
Limit 
Inverter xx, C Phase 
Modules voltage 
feedback is higher 
than expected 
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
Xx43 1 INV x Tach 1 
Event
INV_OFF / Truck Speed 
Limit 
 Inverter xx motor 
(TM1) Speed Sensor 
(SS) rate of change is 
too high
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
Tach 1 High 
Rate of Speed
2 Tach 1 No 
Frequency Input
INV_OFF / Truck Speed 
Limit 
 Inverter xx motor (TM) 
Speed Sensor (SS) 
indicates 0 speed, 
other sensors show 
speed
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
3 Tach 
Intermittant
INV_OFF / Truck Speed 
Limit 
 Inverter xx motor (TM) 
Speed Sensor (SS) 
feedback signal is 
intermittent
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
Xx44 1 INV x Tach 1 (NR) 
Event
SYSEVENT / None
Tach 1 single channel 
operation
Yes TMC: 3
DAB: 2
CBI: 2
EVENT 
#
SUB 
CODE
EVENT
DESCRIPTION
RESTRICTION
CAUSE OR 
DEFINITION
AUTO 
RESET
OPER. 
RESET
90 GE Proprietary and Confidential Information
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
Tach 1 single 
channel 
operation
2 Tach 1 high rate 
of change
SYSEVENT / None
Tach 1 high rate of 
change
Yes TMC: 3
DAB: 2
CBI: 2
3 Tach 1 no 
frequency input
SYSEVENT / None
Tach 1 no frequency 
input
Yes TMC: 3
DAB: 2
CBI: 2
Xx47 1 INV x Chopper 1 
Event
SPD_LIM & ENGSPD_RP / 
None
Chopper 1 did not turn 
off
Yes TMC: 3
DAB: 2
CBI: 2
Chop1 did not 
turn off
2 Overcurrent on 
chopper 1
SPD_LIM & ENGSPD_RP / 
None
Overcurrent on 
chopper 1
Yes TMC: 3
DAB: 2
CBI: 2
4 IGBT sat fault on 
chopper 1
SPD_LIM & ENGSPD_RP / 
None
IGBT saturation fault 
on chopper 1
Yes TMC: 3
DAB: 2
CBI: 2
5
IGBT power 
supply fault on 
chopper 1
SPD_LIM & ENGSPD_RP / 
None
IGBT ps flt on chopper 
1
Yes TMC: 3
DAB: 2
CBI: 2
6 Chopper 1 on-
state current hi
SPD_LIM & ENGSPD_RP / 
None
Chopper 1 on-state 
current hi
Yes TMC: 3
DAB: 2
CBI: 2
7
Chopper 1 on-
state current 
low
SPD_LIM & ENGSPD_RP / 
None
Chopper 1 on-state 
current low
Yes TMC: 3
DAB: 2
CBI: 2
EVENT 
#
SUB 
CODE
EVENT
DESCRIPTION
RESTRICTION
CAUSE OR 
DEFINITION
AUTO 
RESET
OPER. 
RESET
GE Proprietary and Confidential Information 91
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
8
Chopper 1 on-
state current 
OOR
SPD_LIM & ENGSPD_RP / 
None
Chopper 1 on-state 
current Out of range
Yes TMC: 3
DAB: 2
CBI: 2
Xx48 1 INV x Chopper 1 
(NR) Event
SPD_LIM & ENGSPD_RP / 
None
Chopper Module 1 
(CM1) not OFF when 
commanded, Inverter 
1 controlling
Yes TMC: 3
DAB: 2
CBI: 2
Chopper 1 
feedback not 
OFF
2
Chopper 1 
Feedback not 
ON
SPD_LIM & ENGSPD_RP / 
None
Chopper Module 1 
(CM1) not ON when 
commanded, Inverter 
1 controlling
Yes TMC: 3
DAB: 2
CBI: 2
3
INV DB1 
CHOPA_TEMP_S
HORT
SPD_LIM & ENGSPD_RP / 
None
INV DB1 Chop A temp 
short
Yes TMC: 3
DAB: 2
CBI: 2
4
INV DB1 
CHOPA_TEMP_O
PEN
SPD_LIM & ENGSPD_RP / 
None
INV DB1 Chop A temp 
open
Yes TMC: 3
DAB: 2
CBI: 2
5
INV DB1 
CHOPA_TEMP_
WARM
SPD_LIM & ENGSPD_RP / 
None
INV DB1 Chop A temp 
warm
Yes TMC: 3
DAB: 2
CBI: 2
6
INV DB1 
CHOPA_TEMP_H
OT
SPD_LIM & ENGSPD_RP / 
None
INV DB1 Chop A temp 
hot
Yes TMC: 3
DAB: 2
CBI: 2
EVENT 
#
SUB 
CODE
EVENT
DESCRIPTION
RESTRICTION
CAUSE OR 
DEFINITION
AUTO 
RESET
OPER. 
RESET
92 GE Proprietary and Confidential Information
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information7
Chopper 1 Not 
OFF with DC 
Volts
SPD_LIM & ENGSPD_RP / 
None
Chopper Module 1 
(CM1) not OFF when 
expected with DC Link 
energized, Inverter xx 
controlling
Yes TMC: 3
DAB: 2
CBI: 2
8
Chopper 1 off 
state current - 
short
SPD_LIM & ENGSPD_RP / 
None
Chopper 1 off state 
current short
Yes TMC: 3
DAB: 2
CBI: 2
9
Excessive 
chopper 1 null 
current offset
SPD_LIM & ENGSPD_RP / 
None
Excessive chopper 1 
null current offset
Yes TMC: 3
DAB: 2
CBI: 2
10
IGBT sat flt on 
chopper 1 -- 
nuisance
SPD_LIM & ENGSPD_RP / 
None
IGBT saturation 
faulton chopper 1 -- 
nuisance
Yes TMC: 3
DAB: 2
CBI: 2
11
IGBT sat flt on 
chopper 2 -- 
nuisance
SPD_LIM & ENGSPD_RP / 
None
IGBT saturation fault 
on chopper 2 -- 
nuisance
Yes TMC: 3
DAB: 2
CBI: 2
Xx49 1 INV x Chopper 2 
Event
SPD_LIM & ENGSPD_RP / 
None
Chopper 2 did not turn 
off
Yes TMC: 3
DAB: 2
Chop2 did not 
turn off
CBI: 2
2 Overcurrent on 
chopper 2
SPD_LIM & ENGSPD_RP / 
None
Overcurrent on 
chopper 2
Yes TMC: 3
DAB: 2
CBI: 2
4 IGBT sat fault on 
chopper 2
SPD_LIM & ENGSPD_RP / 
None
IGBT saturation fault 
on chopper 2
Yes TMC: 3
DAB: 2
CBI: 2
EVENT 
#
SUB 
CODE
EVENT
DESCRIPTION
RESTRICTION
CAUSE OR 
DEFINITION
AUTO 
RESET
OPER. 
RESET
GE Proprietary and Confidential Information 93
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
5
IGBT power 
supply faulkt on 
chopper 2
SPD_LIM & ENGSPD_RP / 
None
IGBT ps flt on chopper 
2
Yes TMC: 3
DAB: 2
CBI: 2
6 Chopper 2 on-
state current hi
SPD_LIM & ENGSPD_RP / 
None
Chopper 2 on state 
current hi
Yes TMC: 3
DAB: 2
CBI: 2
7
Chopper 2 on-
state current 
low
SPD_LIM & ENGSPD_RP / 
None
Chopper 2 on state 
current low
Yes TMC: 3
DAB: 2
CBI: 2
8
Chopper 2 on-
state current 
OOR
SPD_LIM & ENGSPD_RP / 
None
Chopper 2 on state 
current OOR
Yes TMC: 3
DAB: 2
CBI: 2
Xx50 1 INV x Chopper 2 
(NR) Event
SPD_LIM & ENGSPD_RP / 
None
Chopper Module 2 
(CM2) not OFF when 
commanded, Inverter 
xx controlling
Yes TMC: 3
DAB: 2
Chopper 2 
feedback not 
OFF
CBI: 2
2
Chopper 2 
Feedback not 
ON
SPD_LIM & ENGSPD_RP / 
None
Chopper Module 2 
(CM2) not ON when 
commanded, Inverter 
xx controlling
Yes TMC: 3
DAB: 2
CBI: 2
3
INV DB2 
CHOPB_TEMP_S
HORT
SPD_LIM & ENGSPD_RP / 
None
INV DB2 Chop B temp 
short
Yes TMC: 3
DAB: 2
CBI: 2
4
INV DB2 
CHOPB_TEMP_O
PEN
SPD_LIM & ENGSPD_RP / 
None
INV DB2 Chop B temp 
open
Yes TMC: 3
DAB: 2
CBI: 2
EVENT 
#
SUB 
CODE
EVENT
DESCRIPTION
RESTRICTION
CAUSE OR 
DEFINITION
AUTO 
RESET
OPER. 
RESET
94 GE Proprietary and Confidential Information
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
5
INV DB2 
CHOPB_TEMP_
WARM
SPD_LIM & ENGSPD_RP / 
None
INV DB2 Chop B temp 
warm
Yes TMC: 3
DAB: 2
CBI: 2
6
INV DB2 
CHOPB_TEMP_H
OT
SPD_LIM & ENGSPD_RP / 
None
INV DB2 Chop B temp 
hot
Yes TMC: 3
DAB: 2
CBI: 2
7
Chopper 2 Not 
OFF with DC 
Volts
SPD_LIM & ENGSPD_RP / 
None
Chopper Module 2 
(CM2) not OFF when 
expected with DC Link 
energized, Inverter xx 
controlling
Yes TMC: 3
DAB: 2
CBI: 2
8
Chopper 2 off 
state current - 
short
SPD_LIM & ENGSPD_RP / 
None
Chopper 2 off state 
current, short
Yes TMC: 3
DAB: 2
CBI: 2
9
Excessive 
chopper 2 null 
current offset
SPD_LIM & ENGSPD_RP / 
None
Excessive chopper 2 
null current offset
Yes TMC: 3
DAB: 2
CBI: 2
Xx51 1 INV x tach 
differential Fault
SYSEVENT / None
Too much speed 
difference
Yes TMC: 3
DAB: 2
CBI: 2
Too much speed 
difference
Xx52 7
Miscellaneous 
non-restrictive 
fault
SYSEVENT / None
Level 1 wheel velocity 
deviation
Yes TMC: 3
DAB: 2
Level 1 wheel 
velocity 
deviation
CBI: 2
EVENT 
#
SUB 
CODE
EVENT
DESCRIPTION
RESTRICTION
CAUSE OR 
DEFINITION
AUTO 
RESET
OPER. 
RESET
GE Proprietary and Confidential Information 95
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
8
Level 2 wheel 
velocity 
deviation
SYSEVENT / None
Level 2 wheel velocity 
deviation
Yes TMC: 3
DAB: 2
CBI: 2
9
Level 3 wheel 
velocity 
deviation
SYSEVENT / None
Level 3 wheel velocity 
deviation
Yes TMC: 3
DAB: 2
CBI: 2
10
Level 4 wheel 
velocity 
deviation
SYSEVENT / None
Level 4 wheel velocity 
deviation
Yes TMC: 3
DAB: 2
CBI: 2
11
Level 5 wheel 
velocity 
deviation
SYSEVENT / None
Level 5 wheel velocity 
deviation
Yes TMC: 3
DAB: 2
CBI: 2
12
Level 6 wheel 
velocity 
deviation
SYSEVENT / None
Level 6 wheel velocity 
deviation
Yes TMC: 3
DAB: 2
CBI: 2
13
High half order 
engine 
frequency
SYSEVENT / None
High half order engine 
frequency
Yes TMC: 3
DAB: 2
CBI: 2
14
High fund 
engine 
frequency
SYSEVENT / None
High fund engine 
frequency
Yes TMC: 3
DAB: 2
CBI: 2
15
High 1.5 x fund 
engine 
frequency
SYSEVENT / None
High 1.5 x fund engine 
frequency
Yes TMC: 3
DAB: 2
CBI: 2
16
High second 
order engine 
frequency
SYSEVENT / None
High second order 
engine frequency
Yes TMC: 3
EVENT 
#
SUB 
CODE
EVENT
DESCRIPTION
RESTRICTION
CAUSE OR 
DEFINITION
AUTO 
RESET
OPER. 
RESET
96 GE Proprietary and Confidential Information
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
DAB: 2
CBI: 2
17
High 2.5 x fund 
engine 
frequency
SYSEVENT / None
High 2.5 x fund engine 
frequency
Yes TMC: 3
DAB: 2
CBI: 2
18
High third order 
engine 
frequency
SYSEVENT / None
High third order 
engine frequency
Yes TMC: 3
DAB: 2
CBI: 2
19 IGBT phA temp 
sensor bad
SYSEVENT / None
IGBT phA temp sensor 
bad
Yes TMC: 3
DAB: 2
CBI: 2
20 IGBT phB temp 
sensor bad
SYSEVENT / None
IGBT phB temp sensor 
bad
Yes TMC: 3
DAB: 2
CBI: 2
21 IGBT phC temp 
sensor bad
SYSEVENT / None
IGBT phC temp sensor 
bad
Yes TMC: 3
DAB: 2
CBI: 2
22 Engineering Test 
Flag 1
SYSEVENT / None
Engineering Test Flag 
1
Yes TMC: 3
DAB: 2
CBI: 2
23 Engineering Test 
Flag 2
SYSEVENT / None
Engineering Test Flag 
2
Yes TMC: 3
DAB: 2
CBI: 2
24 Engineering Test 
Flag 3
SYSEVENT / None
Engineering Test Flag 
3
Yes TMC: 3
DAB: 2
CBI: 2
25 Engineering Test 
Flag 4
SYSEVENT / None
Engineering Test Flag 
4
Yes TMC: 3
DAB: 2
CBI: 2
26 Engineering Test 
Flag 5
SYSEVENT / None
Engineering Test Flag 
5
Yes TMC: 3
DAB: 2
EVENT 
#
SUB 
CODE
EVENT
DESCRIPTION
RESTRICTION
CAUSE OR 
DEFINITION
AUTO 
RESET
OPER. 
RESET
GE Proprietary and Confidential Information 97
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
CBI: 2
Xx53 1 INV x Motor fault
INV_OFF / Truck Speed 
Limit 
One of more phases of 
motor circuit open 
during VI Test
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
Motor 
Connection 
Open
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
2
Motor 
Connection 
Short
INV_OFF / Truck Speed 
Limit 
 Inverter xx motor 1 
(TM1) 
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
phase-to-phase short DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
detected during VI 
Test
CBI: 2
4 Motor overload
INV_OFF / Truck Speed 
Limit 
Motor overload Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
Xx54 1 INV x Motor 
Faults (NR)
SYSEVENT / none Motor rotor temp high Yes TMC: 3
DAB: 2
Motor Rotor 
Temperature 
High
CBI: 2
EVENT 
#
SUB 
CODE
EVENT
DESCRIPTION
RESTRICTION
CAUSE OR 
DEFINITION
AUTO 
RESET
OPER. 
RESET
98 GE Proprietary and Confidential Information
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
2
Motor Stator 
Temperature 
High
SYSEVENT / none
Motor stator temp 
high
Yes TMC: 3
DAB: 2
CBI: 2
3 Motor type 0 
detected
SYSEVENT / none Motor type 0 detected Yes TMC: 3
DAB: 2
CBI: 2
4 Motor type 1 
detected
SYSEVENT / none Motor type 1 detected Yes TMC: 3
DAB: 2
CBI: 2
6
Current 
approaching 
pullout
SYSEVENT / none
Current approached 
pullout
Yes TMC: 3
DAB: 2
CBI: 2
7 Filtered slip 
close to pullout
SYSEVENT / none
Filtered slip close to 
pullout
Yes TMC: 3
DAB: 2
CBI: 2
Xx56 1 INV x secondload (NR) Event
SYSEVENT / none Zero seq voltage high Yes TMC: 3
DAB: 2
Zero sequence 
voltage high
CBI: 2
2 Zero sequence 
current high
SYSEVENT / none Zero seq current high Yes TMC: 3
DAB: 2
CBI: 2
3
Negative 
sequence 
voltage high
SYSEVENT / none Neg Sys voltage high Yes TMC: 3
DAB: 2
CBI: 2
4
Negative 
sequence 
current high
SYSEVENT / none Neg seq current high Yes TMC: 3
DAB: 2
CBI: 2
EVENT 
#
SUB 
CODE
EVENT
DESCRIPTION
RESTRICTION
CAUSE OR 
DEFINITION
AUTO 
RESET
OPER. 
RESET
GE Proprietary and Confidential Information 99
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
6
DAB transformer 
primary winding 
too hot
SYSEVENT / none
DAB transformer 
primary winding too 
hot
Yes TMC: 3
DAB: 2
CBI: 2
7
DAB transformer 
secondary 
winding too hot
SYSEVENT / none
DAB transformer 
secondary winding too 
hot
Yes TMC: 3
DAB: 2
CBI: 2
Xx57 1 Filter Event SYSEVENT / none
Inverter xx capacitor 
over pressure
Yes TMC: 3
DAB: 2
Inverter 
capacitor 
overpressure
CBI: 2
2
Line-Neutral 
voltage on cap 
high
SYSEVENT / none
Line-neutral voltage 
on cap high
Yes TMC: 3
DAB: 2
CBI: 2
3
Filter capacitor 
value out of 
tolerance
SYSEVENT / none
Filter cap value out of 
tolerance
Yes TMC: 3
DAB: 2
CBI: 2
4
Filter inductance 
value out of 
tolerance
SYSEVENT / none
Filter inductance value 
out of tolerance
Yes TMC: 3
DAB: 2
CBI: 2
Xx60 1 INV x Chopper 3 
Fault
INV_OFF / None
Chopper 3 did not turn 
off
Yes TMC: 3
DAB: 2
Chopper 3 did 
not turn off
CBI: 2
2 Chopper 3 
overcurrent
INV_OFF / None Chopper 3 overcurrent Yes TMC: 3
DAB: 2
CBI: 2
4 Chopper 3 IGBT 
sat fault
INV_OFF / None
Chopper 3 IGBT 
saturation fault
Yes TMC: 3
EVENT 
#
SUB 
CODE
EVENT
DESCRIPTION
RESTRICTION
CAUSE OR 
DEFINITION
AUTO 
RESET
OPER. 
RESET
100 GE Proprietary and Confidential Information
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
DAB: 2
CBI: 2
5 Chopper 3 IGBT 
sat fault
INV_OFF / None
Chopper 3 IGBT 
saturation fault
Yes TMC: 3
DAB: 2
CBI: 2
6 Chopper 3 on-
state current hi
INV_OFF / None
Chopper 3 on state 
current hi
Yes TMC: 3
DAB: 2
CBI: 2
7
Chopper 3 on-
state current 
low
INV_OFF / None
Chopper 3 on state 
current lo
Yes TMC: 3
DAB: 2
CBI: 2
8
Chopper 3 on-
state current 
OOR
INV_OFF / None
Chopper 3 on state 
current OOR
Yes TMC: 3
DAB: 2
CBI: 2
Xx61 1 INV x Chopper 3 
(NR) Fault
Spd Lim-Eng RP / None
Chopper 3 feedback 
not off
Yes TMC: 3
DAB: 2
Chopper 3 
feedback not 
OFF
CBI: 2
2
Chopper 3 
Feedback not 
ON
Spd Lim-Eng RP / None
Chopper 3 feedback 
not on
Yes TMC: 3
DAB: 2
CBI: 2
7 Chopper 3 not 
off with DC volts
Spd Lim-Eng RP / None
Chopper 3 not off with 
DC volts
Yes TMC: 3
DAB: 2
CBI: 2
8
Chopper 3 off 
state current – 
short
Spd Lim-Eng RP / None
Chopper 3 off state 
current short
Yes TMC: 3
DAB: 2
CBI: 2
9
Excessive 
chopper 3 null 
current offset
Spd Lim-Eng RP / None
Excessive chopper 3 
null current offset
Yes TMC: 3
EVENT 
#
SUB 
CODE
EVENT
DESCRIPTION
RESTRICTION
CAUSE OR 
DEFINITION
AUTO 
RESET
OPER. 
RESET
GE Proprietary and Confidential Information 101
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
DAB: 2
CBI: 2
Xx62 1 INV x Chopper 4 
Fault
INV_OFF / None
Chopper 4 did not turn 
off
Yes TMC: 3
DAB: 2
Chopper 4 did 
not turn off
CBI: 2
2 Chopper 4 
overcurrent
INV_OFF / None Chopper 4 overcurrent Yes TMC: 3
DAB: 2
CBI: 2
4 Chopper 4 IGBT 
sat fault
INV_OFF / None
Chopper 4 IGBT 
saturation fault
Yes TMC: 3
DAB: 2
CBI: 2
5 Chopper 4 IGBT 
sat fault
INV_OFF / None
Chopper 4 IGBT 
saturation fault
Yes TMC: 3
DAB: 2
CBI: 2
6 Chopper 4 on-
state current hi
INV_OFF / None
Chopper 4 on state 
current high
Yes TMC: 3
DAB: 2
CBI: 2
7
Chopper 4 on-
state current 
low
INV_OFF / None
Chopper 4 on state 
current low
Yes TMC: 3
DAB: 2
CBI: 2
8
Chopper 4 on-
state current 
OOR
INV_OFF / None
Chopper4 on state 
current OOR
Yes TMC: 3
DAB: 2
CBI: 2
Xx63 1 INV x Chopper 4 
(NR) Fault
Spd Lim-Eng RP / None
Chopper 4 feedback 
not off
Yes TMC: 3
DAB: 2
CBI: 2
Chopper 4 
feedback not 
OFF
EVENT 
#
SUB 
CODE
EVENT
DESCRIPTION
RESTRICTION
CAUSE OR 
DEFINITION
AUTO 
RESET
OPER. 
RESET
102 GE Proprietary and Confidential Information
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
2
Chopper 4 
Feedback not 
ON
Spd Lim-Eng RP / None
Chopper 4 feedback 
not on
Yes TMC: 3
DAB: 2
CBI: 2
7 Chopper 4 not 
off with DC volts
Spd Lim-Eng RP / None
Chopper 4 not off with 
DC volts
Yes TMC: 3
DAB: 2
CBI: 2
8
Chopper 4 off 
state current - 
short
Spd Lim-Eng RP / None
Chopper 4 off state 
current short
Yes TMC: 3
DAB: 2
CBI: 2
9
Excessive 
chopper 4 null 
current offset
Spd Lim-Eng RP / None
Excessive chopper 4 
null current offset
Yes TMC: 3
DAB: 2
CBI: 2
Xx64 1 INV x2 Phase 
A2+/A2- Fault
INV_OFF / Truck Speed 
Limit 
Inverter xx phase 
module A2+ did not 
turn off
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
Phase A2 
Module did not 
Turn off
2 Overcurrent on 
Phase A2
INV_OFF / Truck Speed 
Limit 
Inverter xx phase 
module A2+ 
overcurrent
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
4 IGBT Saturation 
flt on A2+
INV_OFF / Truck Speed 
Limit 
Inverter xx phase 
module A2+ IGBT 
saturation fault
Yes TMC: 3
EVENT 
#
SUB 
CODE
EVENT
DESCRIPTION
RESTRICTION
CAUSE OR 
DEFINITION
AUTO 
RESET
OPER. 
RESET
GE Proprietary and Confidential Information 103
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
5 IGBT Saturation 
flt on A2-
INV_OFF / Truck Speed 
Limit 
Inverter xx phase 
module A2- IGBT 
saturation fault
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
* for Dual IGBT 
Systems only
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
Xx65 1 INV x2 Phase 
A2+ Fault
INV_OFF / Truck Speed 
Limit 
Inverter xx , Phase 
Module A2+ did not 
turn OFF when 
commanded
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
Phase A2+ 
Module did not 
Turn off
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
2
Phase A2+ 
Feedback not 
OFF
INV_OFF / Truck Speed 
Limit 
During VI Test, Inverter 
xx , Phase Module A2+ 
did not turn OFF when 
expected
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
3 Phase A2+ 
Module Failed
INV_OFF / Truck Speed 
Limit 
Inverter xx , Phase 
Module A2+ was 
detected as failed 
during VI test
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
EVENT 
#
SUB 
CODE
EVENT
DESCRIPTION
RESTRICTION
CAUSE OR 
DEFINITION
AUTO 
RESET
OPER. 
RESET
104 GE Proprietary and Confidential Information
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
4 Phae A2+ and 
A2- modules on.
INV_OFF / Truck Speed 
Limit 
Inverter xx , Phase 
Module A2+ detected 
ON while Phase 
Module A+ 
commanded ON
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
5
Phase A2+ 
Feedback not 
ON
INV_OFF / Truck Speed 
Limit 
During VI Test, Inverter 
xx Phase Module A2+ 
did not turn ON when 
com- manded
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
6
Phase A2+ 
Module did not 
turn ON
INV_OFF / Truck Speed 
Limit 
While running, Inverter 
xx , Phase Mod- ule 
A2+ did not turn ON 
when com- manded
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
7 IGBT PS Fault on 
A2+
INV_OFF / Truck Speed 
Limit 
Inverter xx , Phase 
Module A2+ gate 
driver power supply 
problem detected
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
* for Dual IGBT 
Systems only
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
Xx66 1 INV x2 Phase 
A2+ (NR) Fault
SYSEVENT / None
Inverter xx A2+ Phase 
Modulefault
Yes TMC: 3
DAB: 2
CBI: 2
Phase A2+ (NR)
EVENT 
#
SUB 
CODE
EVENT
DESCRIPTION
RESTRICTION
CAUSE OR 
DEFINITION
AUTO 
RESET
OPER. 
RESET
GE Proprietary and Confidential Information 105
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
6
Phase A2+ not 
Off with Enable/
DC Volts
SYSEVENT / None
Inverter xx A2+ Phase 
Module did NOT turn 
OFF when expected 
while the DC Link is 
charged
Yes TMC: 3
DAB: 2
* for Dual IGBT 
Systems only
CBI: 2
Xx67 1 INV x2 Phase 
A2- fault
INV_OFF / Truck Speed 
Limit 
Inverter xx , Phase 
Module A2- did not 
turn OFF when 
commanded
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
Phase A2- 
Module did not 
Turn off
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
2
Phase A2- 
Feedback not 
OFF
INV_OFF / Truck Speed 
Limit 
During VI Test, Inverter 
xx , Phase Module A2- 
did not turn OFF when 
expected
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
3 Phase A2- 
Module Failed
INV_OFF / Truck Speed 
Limit 
Inverter xx , Phase 
Module A2- was 
detected as failed 
during VI test
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
4 Phase A2+ and 
A2- modules on.
INV_OFF / Truck Speed 
Limit 
Inverter xx , Phase 
Module A2- detected 
ON while Phase 
Module A+ 
commanded ON
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
EVENT 
#
SUB 
CODE
EVENT
DESCRIPTION
RESTRICTION
CAUSE OR 
DEFINITION
AUTO 
RESET
OPER. 
RESET
106 GE Proprietary and Confidential Information
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
5
Phase A2- 
Feedback not 
ON
INV_OFF / Truck Speed 
Limit 
During VI Test, Inverter 
xx Phase Module A2-
did not turn ON when 
com- manded
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
6
Phase A2- 
Module did not 
turn ON
INV_OFF / Truck Speed 
Limit 
While running, Inverter 
xx , Phase Module A2- 
did not turn ON when 
com- manded
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
7 IGBT PS Fault on 
A2-
INV_OFF / Truck Speed 
Limit 
Inverter xx , Phase 
Module A2- gate driver 
power supply problem 
detected
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
* for Dual IGBT 
Systems only
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
Xx68 1 INV x2 Phase 
A2- (NR) fault
SYSEVENT / None
Inverter xx A2- Phase 
Module fault
Yes TMC: 3
DAB: 2
Phase A2- (NR) CBI: 2
6
Phase A2- Not 
off with Enable/
Dc Volts
SYSEVENT / None
Inverter xx A2- Phase 
Module did NOT turn 
OFF when expected 
while the DC Link is 
charged
Yes TMC: 3
DAB: 2
* for Dual IGBT 
Systems only
CBI: 2
EVENT 
#
SUB 
CODE
EVENT
DESCRIPTION
RESTRICTION
CAUSE OR 
DEFINITION
AUTO 
RESET
OPER. 
RESET
GE Proprietary and Confidential Information 107
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
Xx69 1 INV x2 Phase A2 
Current fault
INV_OFF / Truck Speed 
Limit 
Inverter xx, Phase 
Module A2 current 
sensor was 
determined as failed 
during VI test
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
Phase A2 
Current Sensor 
Failed
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
2 Current IA2 not 
zero at Startup
INV_OFF / Truck Speed 
Limit 
Inverter xx, Phase 
Module A2 current 
sensor signal was not 
zero at startup
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
3 A2 Phase 
Current too High
INV_OFF / Truck Speed 
Limit 
Current feedback from 
Inverter xx, Phase 
Module A2 current is 
higher than expected
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
* for Dual IGBT 
Systems only
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
Xx73 1 INV x2 Phase 
B2+/B2- Fault
INV_OFF / Truck Speed 
Limit 
Inverter xx phase 
module B2+ did not 
turn off
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
Phase B2 
Module did not 
Turn off
2 Overcurrent on 
Phase B2
INV_OFF / Truck Speed 
Limit 
Inverter xx phase 
module B2+ 
overcurrent
Yes TMC: 3
EVENT 
#
SUB 
CODE
EVENT
DESCRIPTION
RESTRICTION
CAUSE OR 
DEFINITION
AUTO 
RESET
OPER. 
RESET
108 GE Proprietary and Confidential Information
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DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
4 IGBT Saturation 
flt on B2+
INV_OFF / Truck Speed 
Limit 
Inverter xx phase 
module B2+ IGBT 
saturation fault
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
5 IGBT Saturation 
flt on B2-
INV_OFF / Truck Speed 
Limit 
Inverter xx phase 
module B2- IGBT 
saturation fault
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
* for Dual IGBT 
Systems only
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
Xx74 1 INV x2 Phase 
B2+ Fault
INV_OFF / Truck Speed 
Limit 
Inverter xx , Phase 
Module B2+ did not 
turn OFF when 
commanded
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
Phase B2+ 
Module did not 
Turn off
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
2
Phase B2+ 
Feedback not 
OFF
INV_OFF / Truck Speed 
Limit 
During VI Test, Inverter 
xx , Phase Module B2+ 
did not turn OFF when 
expected
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
3 Phase B2+ 
Module Failed
INV_OFF / Truck Speed 
Limit 
Inverter xx , Phase 
Module B2+ was 
detected as failed 
during VI test
Yes TMC: 3
EVENT 
#
SUB 
CODE
EVENT
DESCRIPTION
RESTRICTION
CAUSE OR 
DEFINITION
AUTO 
RESET
OPER. 
RESET
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DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
4 Phae B2+ and 
B2- modules on.
INV_OFF / Truck Speed 
Limit 
Inverter xx , Phase 
Module B2+ detected 
ON while Phase 
Module B2- 
commanded ON
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
5
Phase B2+ 
Feedback not 
ON
INV_OFF / Truck Speed 
Limit 
During VI Test, Inverter 
xx Phase Module B2+ 
did not turn ON when 
com- manded
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
6
Phase B2+ 
Module did not 
turn ON
INV_OFF / Truck Speed 
Limit 
While running, Inverter 
xx , Phase ModuleB2+ 
did not turn ON when 
com- manded
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
7 IGBT PS Fault on 
B2+
INV_OFF / Truck Speed 
Limit 
Inverter xx , Phase 
Module B2+ gate 
driver power supply 
problem detected
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
* for Dual IGBT 
Systems only
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
Xx75 1 INV x2 Phase 
B2+ (NR) Fault
SYSEVENT / None
Inverter xx B2+ Phase 
Module fault
Yes TMC: 3
EVENT 
#
SUB 
CODE
EVENT
DESCRIPTION
RESTRICTION
CAUSE OR 
DEFINITION
AUTO 
RESET
OPER. 
RESET
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DAB: 2
Phase B2+ (NR) CBI: 2
6
Phase B2+ not 
Off with Enable/
DC Volts
SYSEVENT / None
Inverter xx B2+ Phase 
Module did NOT turn 
OFF when expected 
while the DC Link is 
charged
Yes TMC: 3
DAB: 2
* for Dual IGBT 
Systems only
CBI: 2
Xx76 1 INV X2 Phase 
B2- Fault
INV_OFF / Truck Speed 
Limit 
Inverter xx , Phase 
Module B2- did not 
turn OFF when 
commanded
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
Phase B2- 
Module did not 
Turn off
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
2
Phase B2- 
Feedback not 
OFF
INV_OFF / Truck Speed 
Limit 
During VI Test, Inverter 
xx , Phase Module B2-
did not turn OFF when 
expected
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
3 Phase B2- 
Module Failed
INV_OFF / Truck Speed 
Limit 
Inverter xx , Phase 
Module B2- was 
detected as failed 
during VI test
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
4 Phase B2+ and 
B2- modules on.INV_OFF / Truck Speed 
Limit 
Inverter xx , Phase 
Module B2+ detected 
ON while Phase 
Module B2- 
commanded ON
Yes TMC: 3
EVENT 
#
SUB 
CODE
EVENT
DESCRIPTION
RESTRICTION
CAUSE OR 
DEFINITION
AUTO 
RESET
OPER. 
RESET
GE Proprietary and Confidential Information 111
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GE OHV AC Control System Events, Historical Counters and Profiles Information
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
5
Phase B2- 
Feedback not 
ON
INV_OFF / Truck Speed 
Limit 
During VI Test, Inverter 
xx Phase Module B2- 
did not turn ON when 
com- manded
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
6
Phase B2- 
Module did not 
turn ON
INV_OFF / Truck Speed 
Limit 
While running, Inverter 
xx , Phase ModuleB2-
did not turn ON when 
com- manded
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
7 IGBT PS Fault on 
B2-
INV_OFF / Truck Speed 
Limit 
Inverter xx , Phase 
Module B2- gate driver 
power supply problem 
detected
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
* for Dual IGBT 
Systems only
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
Xx77 1 INV x2 Phase 
B2- (NR) fault
SYSEVENT / None
Inverter xx B2- Phase 
Module fault
Yes TMC: 3
DAB: 2
Phase B2- CBI: 2
6
Phase B2- Not 
off with Enable/
Dc Volts
SYSEVENT / None
Inverter xx B2- Phase 
Module did NOT turn 
OFF when expected 
while the DC Link is 
charged
Yes TMC: 3
DAB: 2
EVENT 
#
SUB 
CODE
EVENT
DESCRIPTION
RESTRICTION
CAUSE OR 
DEFINITION
AUTO 
RESET
OPER. 
RESET
112 GE Proprietary and Confidential Information
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* for Dual IGBT 
Systems only
CBI: 2
Xx78 1 INV x2 Phase B2 
Current fault
INV_OFF / Truck Speed 
Limit 
Inverter xx, Phase 
Module B2 current 
sensor was 
determined as failed 
during VI test
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
Phase B2 
Current Sensor 
Failed
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
2 Current IB2 not 
zero at Startup
INV_OFF / Truck Speed 
Limit 
Inverter xx, Phase 
Module B2 current 
sensor signal was not 
zero at startup
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
3 B2 Phase 
Current too High
INV_OFF / Truck Speed 
Limit 
Current feedback from 
Inverter xx, Phase 
Module B2 current is 
higher than expected
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
* for Dual IGBT 
Systems only
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
Xx82 1 INV x2 Phasea 
C2+/C2- Fault
INV_OFF / Truck Speed 
Limit 
Inverter xx phase 
module C2+ did not 
turn off
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
Phase C2 
Module did not 
Turn off
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
EVENT 
#
SUB 
CODE
EVENT
DESCRIPTION
RESTRICTION
CAUSE OR 
DEFINITION
AUTO 
RESET
OPER. 
RESET
GE Proprietary and Confidential Information 113
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2 Overcurrent on 
Phase C2
INV_OFF / Truck Speed 
Limit 
Inverter xx phase 
module C2+ 
overcurrent
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
4 IGBT Saturation 
flt on C2+
INV_OFF / Truck Speed 
Limit 
Inverter xx phase 
module C2+ IGBT 
saturation fault
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
5 IGBT Saturation 
flt on C2-
INV_OFF / Truck Speed 
Limit 
Inverter xx phase 
module C2- IGBT 
saturation fault
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
* for Dual IGBT 
Systems only
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
Xx83 1 INV X2 Phase 
C2+ Fault
INV_OFF / Truck Speed 
Limit 
Inverter xx , Phase 
Module C2+ did not 
turn OFF when 
commanded
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
Phase C2+ 
Module did not 
Turn off
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
2
Phase C2+ 
Feedback not 
OFF
INV_OFF / Truck Speed 
Limit 
During VI Test, Inverter 
xx , Phase Module 
C2+did not turn OFF 
when expected
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
EVENT 
#
SUB 
CODE
EVENT
DESCRIPTION
RESTRICTION
CAUSE OR 
DEFINITION
AUTO 
RESET
OPER. 
RESET
114 GE Proprietary and Confidential Information
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
3 Phase C2+ 
Module Failed
INV_OFF / Truck Speed 
Limit 
Inverter xx , Phase 
Module C2+ was 
detected as failed 
during VI test
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
4 Phae C2+ and 
C2- modules on.
INV_OFF / Truck Speed 
Limit 
Inverter xx , Phase 
Module C2+detected 
ON while Phase 
Module B2- 
commanded ON
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
5
Phase C2+ 
Feedback not 
ON
INV_OFF / Truck Speed 
Limit 
During VI Test, Inverter 
xx Phase Module C2+ 
did not turn ON when 
com- manded
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
6
Phase C2+ 
Module did not 
turn ON
INV_OFF / Truck Speed 
Limit 
While running, Inverter 
xx , Phase Module C2+ 
did not turn ON when 
com- manded
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
7 IGBT PS Fault on 
C2+
INV_OFF / Truck Speed 
Limit 
Inverter xx , Phase 
Module C2+ gate 
driver power supply 
problem detected
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
EVENT 
#
SUB 
CODE
EVENT
DESCRIPTION
RESTRICTION
CAUSE OR 
DEFINITION
AUTO 
RESET
OPER. 
RESET
GE Proprietary and Confidential Information 115
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GE OHV AC Control System Events, Historical Counters and Profiles Information
* for Dual IGBT 
Systems only
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
Xx84 1 INV x2 Phase 
C2+ (NR) Fault
SYSEVENT / None
Inverter xx C2+ Phase 
Module fault
Yes TMC: 3
DAB: 2
Phase C2+ (NR) CBI: 2
6
Phase C2+ not 
Off with Enable/
DC Volts
SYSEVENT / None
Inverter xx C2+ Phase 
Module did NOT turn 
OFF when expected 
while the DC Link is 
charged
Yes TMC: 3
DAB: 2
* for Dual IGBT 
Systems only
CBI: 2
Xx85 1 INV x2 Phase 
C2- Fault
INV_OFF / Truck Speed 
Limit 
Inverter xx , Phase 
Module C2- did not 
turn OFF when 
commanded
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
Phase C2- 
Module did not 
Turn off
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
2
Phase C2- 
Feedback not 
OFF
INV_OFF / Truck Speed 
Limit 
During VI Test, Inverter 
xx , Phase Module C2-
did not turn OFF when 
expected
Yes TMC: 3
DAB: /
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
3 Phase C2- 
Module Failed
INV_OFF / Truck Speed 
Limit 
Inverter xx , Phase 
Module C2- was 
detected as failed 
during VI test
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
EVENT 
#
SUB 
CODE
EVENT
DESCRIPTION
RESTRICTION
CAUSE OR 
DEFINITION
AUTO 
RESET
OPER. 
RESET
116 GE Proprietary and Confidential Information
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GE OHV AC Control System Events, Historical Counters and Profiles Information
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
4 Phase C2+ and 
C2- modules on.
INV_OFF / Truck Speed 
Limit 
Inverter xx , Phase 
Module C2+ detected 
ON while Phase 
Module B2- 
commanded ON
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
5
Phase C2- 
Feedback not 
ON
INV_OFF / Truck Speed 
Limit 
During VI Test, Inverter 
xx Phase Module C2- 
did not turn ON when 
com- manded
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
6
Phase C2- 
Module did not 
turn ON
INV_OFF / Truck Speed 
Limit 
While running, Inverter 
xx , Phase Module C2-
did not turn ON when 
com- manded
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
7 IGBT PS Fault on 
C2-
INV_OFF / Truck Speed 
Limit 
Inverter xx , Phase 
Module C2- gate driver 
power supply problem 
detected
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
* for Dual IGBT 
Systems only
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
Xx86 1 INV X2 Phase 
C2- (NR) Fault
SYSEVENT / None
Inverter xx C2- Phase 
Module faultYes TMC: 3
DAB: 2
EVENT 
#
SUB 
CODE
EVENT
DESCRIPTION
RESTRICTION
CAUSE OR 
DEFINITION
AUTO 
RESET
OPER. 
RESET
GE Proprietary and Confidential Information 117
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Phase C2- (NR) CBI: 2
6
Phase C2- Not 
off with Enable/
Dc Volts
SYSEVENT / None
Inverter xx C2- Phase 
Module did NOT turn 
OFF when expected 
while the DC Link is 
charged
Yes TMC: 3
DAB: 2
* for Dual IGBT 
Systems only
CBI: 2
Xx87 1 INV X2 Phase C2 
Current Fault
INV_OFF / Truck Speed 
Limit 
Inverter xx, Phase 
Module B2 current 
sensor was 
determined as failed 
during VI test
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
Phase C2 
Current Sensor 
Failed
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
2 Current IC2 not 
zero at Startup
INV_OFF / Truck Speed 
Limit 
Inverter xx, Phase 
Module B2 current 
sensor signal was not 
zero at startup
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
3 C2 Phase 
Current too High
INV_OFF / Truck Speed 
Limit 
Current feedback from 
Inverter xx, Phase 
Module B2 current is 
higher than expected
Yes TMC: 3
DAB: */
TRUCK_SPD_LIM_LOW 
DAB: 2
* for Dual IGBT 
Systems only
CBI: */
TRUCK_SPD_LIM_LOW
CBI: 2
Xx91 1 INV x generic 
inverter event
SYSEVENT / None Generic Event Yes TMC: 3
DAB: 2
EVENT 
#
SUB 
CODE
EVENT
DESCRIPTION
RESTRICTION
CAUSE OR 
DEFINITION
AUTO 
RESET
OPER. 
RESET
118 GE Proprietary and Confidential Information
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2.3. ADDITIONAL SYSTEM EVENTS/DSC EVENT LIST (500 - 599)
2.3.1. Event Restriction
This is the restriction associated with the detection of the given event. Possible restrictions associated with a DSC
event are defined as follows:
Table 5. Event Restriction
2.3.2. Additional Events/DSC Event List (500 - 599)
Table 6. Additional Event/DSC Event List
Generic event CBI: 2
RESTRICTION OR ACTION DEFINITION OF RESTRICTED STATES
NO_PROPEL ”NO PROPEL” (Red) light illuminated in operator Cab. No propulsion effort 
allowed, however, retard effort and DC link energization allowed. Loadbox 
mode is also restricted 
NO_POWER ”NO RETARD” (Red) Light illuminated in operator Cab. No Propulsion effort and 
No retard effort allowed. DC Link is de-energized.
NO_RETARD Restricts retard mode but does not disable DC Link
SPD_LIM /
SYSWARN
”Propel System Caution” (Yellow) light illuminated in operator Cab. Propel, 
Retard and DC link energization still allowed. The truck is under a speed limit 
restriction of 10/15MPH (16/24KPH)
INV_OFF When Active, prohibits the system from enabling Inverter X’s run drive signal.
SYSEVENT There are no Restrictions. Event is for informational purposes only.
LDBX_HP Restrict loadbox to a certain HP
SPDLIM_LOW Set speed limit to a lower speed point of 5 MPH(8KPH)
DELAYED_SHTDWN Indicates a NO_PROPEL/NO_RETARD is imminent. Note, delayed shutdown 
restrictions have an Operator Override feature where after the truck comes to a 
stop the operator can operate the truck with a 50% torque de-rate and 5 MPH 
(8KPH )speed limit by holding down the Dump Override / Reset switch. Unloaded 
truck can be operated for 5 minutes and loaded truck can be moved 100M or 3 
minutes. RETARD NOT AVAILABLE IN THIS MODE.
LOADBOX_DIS Load box is disabled
EVENT 
#
SUB
CODE
EVENT 
DESCRIPTION
RESTRICTION CAUSE OR DEFINITION
AUTO 
RESET
OPER. 
RESET
504 1
Aux Cooling Lim-
ited – DAB HP 
Available Low
SPDLIM_LOW 
LDBX_HP
Auxiliary cooling is limited due 
to Dual Active bridge low HP.
Fault reset when required hp is 
attained.
NO 2
EVENT 
#
SUB 
CODE
EVENT
DESCRIPTION
RESTRICTION
CAUSE OR 
DEFINITION
AUTO 
RESET
OPER. 
RESET
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504 2
Aux Cooling Lim-
ited - Cooling 
Blwr Spd Low
SPDLIM_LOW 
LDBX_HP
Auxiliary cooling is limited due 
to Control group cooling blower 
speed lower than expected.
Fault reset when required 
speed is attained.
NO 2
504 3
Aux Cooling Lim-
ited - Wheel Blwr 
Spd Low
SPDLIM_LOW 
LDBX_HP
Auxiliary cooling is limited due 
to wheel motor cooling blower 
speed lower than expected.
Fault reset when required 
speed is attained.
NO 2
504 4
Aux Cooling Lim-
ited - Grid Blwr 1 
Spd Low
SPDLIM_LOW 
LDBX_HP
Auxiliary cooling is limited due 
to Grid cooling blower1 speed 
lower than expected.
Fault reset when required 
speed is attained.
NO 2
504 5
Aux Cooling Lim-
ited - Grid Blwr 2 
Spd Low
SPDLIM_LOW 
LDBX_HP
Auxiliary cooling is limited due 
to Grid cooling blower2 speed 
lower than expected.
Fault reset when required 
speed is attained.
NO 2
505 1
Control Air Low – 
Blwr HP FB Low
DELAYED_SHT-
DWN LOAD-
BOX_DIS
Control group cooling blower 
inverter HP feedback lower 
than expected.
Fault reset when required hp 
feedback is attained.
NO 0
505 2
Control Air Low – 
Blwr Didn’t Start
DELAYED_SHT-
DWN LOAD-
BOX_DIS
Control group cooling blower 
inverter not running.
Fault Reset when Inverter 4 is 
running.
NO 0
505 3
Control Air Low – 
Blwr Spd TooLow
DELAYED_SHT-
DWN LOAD-
BOX_DIS
Control group cooling blower 
speed is below minimum speed 
level.
Fault reset when blower speed 
attains minimum speed.
NO 0
506 1
Wheel Air Low – 
Blwr HP FB Low
DELAYED_SHT-
DWN LOAD-
BOX_DIS
Wheel motor cooling blower 
inverter HP feedback lower 
than expected
Fault reset when required hp 
feedback is attained.
NO 0
506 2
Wheel Air Low – 
Blwr Didn’t Start
DELAYED_SHT-
DWN LOAD-
BOX_DIS
Wheel motor cooling blower 
inverter not running.
Fault Reset when Inverter 5 is 
running.
NO 0
EVENT 
#
SUB
CODE
EVENT 
DESCRIPTION
RESTRICTION CAUSE OR DEFINITION
AUTO 
RESET
OPER. 
RESET
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506 3
Wheel Air Low – 
Blwr Spd Too Low
DELAYED_SHT-
DWN LOAD-
BOX_DIS
Wheel motor cooling blower 
speed is below minimum speed 
level.
Fault reset when blower speed 
attains minimum speed.
NO 0
508 1
Grid Blwr 1 Air 
Low – Blwr HP FB 
Low
DELAYED_SHT-
DWN LOAD-
BOX_DIS
Grid cooling blower 1 inverter 
HP feedback lower than 
expected.
Fault reset when required hp 
feedback is attained.
NO 0
508 2
Grid Blwr 1 Air 
Low – Blwr Didn’t 
Start
DELAYED_SHT-
DWN LOAD-
BOX_DIS
Grid cooling blower 1 inverter 
not running
Fault Reset when Inverter 6 is 
running.
NO 0
508 3
Grid Blwr 1 Air 
Low – Blwr Spd 
Too Low
DELAYED_SHT-
DWN LOAD-
BOX_DIS
Grid cooling blower 1 speed is 
below minimum speed level.
Faul reset when blower speed 
attains minimum speed.
NO 0
508 4
Grid Blwr 1 Air 
Low – Grid Amps 
w/ No Blwr
DELAYED_SHT-
DWN LOAD-
BOX_DIS
 Grid current present while grid 
cooling blower 1 is not running 
or Inverter 6 lost communica-
tion to DSC.
NO 0
509 1
Grid Blwr 2 Air 
Low – Blwr HP FB 
Low
DELAYED_SHT-
DWN LOAD-
BOX_DIS
Grid cooling blower 2 inverter 
HP feedback lower than 
expected.
Fault reset when required hp 
feedback is attained.
NO 0
509 2
Grid Blwr 2 Air 
Low – Blwr Didn’t 
Start
DELAYED_SHT-
DWN LOAD-
BOX_DIS
Grid cooling blower 2 inverter 
not running
Fault Reset when Inverter 7 is 
running.
NO 0
509 3
Grid Blwr 2 Air 
Low – Blwr Spd 
Too Low
DELAYED_SHT-
DWN LOAD-
BOX_DIS
Grid cooling blower 2speed is 
below minimum speed level.
Faul reset when blower speed 
attains minimum speed.
NO 0
509 4
Grid Blwr 2 Air 
Low – Grid Amps 
w/ No Blwr
DELAYED_SHT-
DWN LOAD-
BOX_DIS
 Grid current present while grid 
cooling blower 2 is not running 
or Inverter 7 timeout.
NO 0
510
1
Chopper Module 
1 Current Sensor:
CM1 Current Sen-
sor Reading Bad
SPD_LIM
Chopper Module 1 Current 
Sensor bad reading.
NO 1
2
CM1 Current Sen-
sor Reading not 
zero
Chopper Module 1 Current 
Sensor reading not zero when 
expected.
NO 1
EVENT 
#
SUB
CODEEVENT 
DESCRIPTION
RESTRICTION CAUSE OR DEFINITION
AUTO 
RESET
OPER. 
RESET
GE Proprietary and Confidential Information 121
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GE OHV AC Control System Events, Historical Counters and Profiles Information
511
1
Chopper Module 
2 Current Sensor:
 CM2 Current 
Sensor Reading 
Bad
SPD_LIM
Chopper Module 2 Current 
Sensor bad reading.
NO 1
2
CM2 Current Sen-
sor Reading not 
zero
SPD_LIM
Chopper Module 2 Current 
Sensor reading not zero when 
expected.
NO 1
512
1
Chopper Module 
3 Current Sensor:
CM3 Current Sen-
sor Reading Bad
SPD_LIM
Chopper Module 3 Current 
Sensor bad reading.
NO 1
2
CM3 Current Sen-
sor Reading not 
zero
SPD_LIM
Chopper Module 3 Current 
Sensor reading not zero when 
expected.
NO 1
513
1
Chopper Module 
4 Current Sensor:
CM4 Current Sen-
sor Reading Bad
SPD_LIM
Chopper Module 4 Current 
Sensor bad reading.
NO 1
2
CM4 Current Sen-
sor Reading not 
zero
SPD_LIM
Chopper Module 4 Current 
Sensor reading not zero when 
expected.
NO 1
516 1
Operator Over-
ride Restricted – 
Distance 
Exceeded
NO_PROPEL 
(long ramp) 
NO_RETARD 
LOADBOX_DIS
Operator Override Restricted – 
Total allowed Distance 
Exceeded without cooling 
blowers running.
NO 0
517 1
Operator Over-
ride Restricted – 
Temp Exceeded
NO_PROPEL 
(long ramp) 
Operator Override Restricted – 
allowed system temperature 
exceeded without cooling 
blowers on.
NO 0
535 1
Ctrl Blwr Fault (L1) 
– Locked Rotor
INV4_OFF
Control group cooling blower 
detected with rotor restriction.
NO 2
535 2
Ctrl Blwr Fault (L2) 
- Overspeed
INV4_OFF
Control group cooling blower 
detected with over speed fault.
NO 2
536 1
Ctrl Blwr Fault (L2) 
– HP FB too High
SPDLIM_LOW 
LDBX_HP
Control group cooling blower 
detected with higher HP than 
expected.
NO 2
536 2
Ctrl Blwr Fault (L2) 
– AC Gnd Fault
SPDLIM_LOW 
LDBX_HP
Control group cooling blower 
detected with AC Ground fault.
NO 2
536 3
Ctrl Blwr Fault (L2) 
– Excessive inv 
faults
SPDLIM_LOW 
LDBX_HP
Control group cooling blower 
detected with excessive num-
ber of inverter faults.
NO 2
EVENT 
#
SUB
CODE
EVENT 
DESCRIPTION
RESTRICTION CAUSE OR DEFINITION
AUTO 
RESET
OPER. 
RESET
122 GE Proprietary and Confidential Information
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
537 1
Ctrl Blwr Fault (L3) 
– Spd Too High
SPD_LIM LDBX-
_HP
Control group cooling blower 
speed higher than command.
NO 2
538 1
Ctrl Blwr Fault (L4) 
– HP Boost 
Applied Short
SYSEVENT
 Dual Active Bridge Boost 
applied.
NO 2
539 1
Ctrl CBI Comm 
Loss – Comm 
Loss to System
DELAYED_SHT-
DWN LOADBOX-
_DIS
Control group cooling blower 
inverter 4 lost communication 
to system.
NO 0
542 1
AC ground fault 
on primary link – 
Inverter 1/2
SPDLIM_LOW 
LOADBOX_DIS
AC ground fault detected on 
primary link for inverter 1 /2.
NO 2
543 1
DC ground fault 
on primary link – 
Inverter 1/2
SPDLIM_LOW 
LOADBOX_DIS
DC ground fault detected on 
primary link for inverter 1 /2.
NO 2
545 1
Transformer Hot 
(L1) – Overtemp
DELAYED_SD 
LOADBOX_DIS
Transformer temperature 
exceeded red-line (maximum) 
temperature.
NO 0
546 1
Transformer Hot 
(L2) – Power Lim-
ited
SPDLIM_LOW 
LOADBOX_DIS
Transformer temperature 
exceeded yellow-line and 
hence applied power is limited. 
NO 2
547 1
Transformer Hot 
(L3) – Air Flow 
Increased
SYSEVENT
Transformer temperature ele-
vated, needing more air flow.
NO 2
548 1
DAB HP Margin 
Low – Utilization 
Near Max
SYSEVENT DAB HP margin low. NO 2
551 1
Cummins F1 ECU 
Missing
SYSEVENT
No Communication to Cum-
mins Cense ECU.
Yes 0
555 1
Wheel Blwr Fault 
(L1) – Locked 
Rotor
INV5_OFF
Wheel motor cooling blower 
detected with rotor restriction.
NO 2
555 2
Wheel Blwr Fault 
(L2) - Overspeed
INV5_OFF
Wheel motor cooling blower 
detected with over speed fault.
NO 2
556 1
Wheel Blwr Fault 
(L2) – HP FB too 
High
SPDLIM_LOW 
LDBX_HP
Wheel motor cooling blower 
detected with higher HP than 
expected.
NO 2
556 2
Wheel Blwr Fault 
(L2) – AC Gnd 
Fault
SPDLIM_LOW 
LDBX_HP
Wheel motor cooling blower 
detected with AC Ground fault.
NO 2
556 3
Axle Blwr Fault 
(L2) – Excessive 
inv faults
SPDLIM_LOW 
LDBX_HP
Wheel motor cooling blower 
detected with excessive num-
ber of inverter faults.
NO 2
EVENT 
#
SUB
CODE
EVENT 
DESCRIPTION
RESTRICTION CAUSE OR DEFINITION
AUTO 
RESET
OPER. 
RESET
GE Proprietary and Confidential Information 123
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GE OHV AC Control System Events, Historical Counters and Profiles Information
557 1
Axle Blwr Fault 
(L3) – Spd Too 
High
SPD_LIM LDBX-
_HP
Wheel motor cooling blower 
speed higher than command.
NO 2
558 1
Wheel Blwr Fault 
(L4) – HP Boost 
Applied Short
SYSEVENT
Dual Active Bridge Boost 
applied.
NO 2
559 1
Wheel CBI Comm 
Loss – Comm 
Loss to System
DELAYED_SHT-
DWN LOADBOX-
_DIS
Wheel motor cooling blower 
inverter 5 lost communication 
to system.
NO 0
565 1
Grid Blwr 1 Fault 
(L1) – Locked 
Rotor
INV6_OFF
Grid blower 1 detected with 
rotor restriction.
NO 2
565 2
Grid Blwr 1 Fault 
(L2) - Overspeed
INV6_OFF
Grid blower 1 detected with 
over speed fault.
NO 2
566 1
Grid Blwr 1 Fault 
(L2) – HP FB too 
High
SPDLIM_LOW 
LDBX_HP
Grid blower 1 detected with 
higher HP than expected.
NO 2
566 2
Grid Blwr 1 Fault 
(L2) – AC Gnd 
Fault
SPDLIM_LOW 
LDBX_HP
Grid blower 1 detected with AC 
Ground fault.
NO 2
566 3
Grid Blwr 1 Fault 
(L2) – Excessive 
inv faults
SPDLIM_LOW 
LDBX_HP
Grid blower 1 detected with 
excessive number of inverter 
faults.
NO 2
567 1
Grid Blwr 1 Fault 
(L3) – Spd Too 
High
SPD_LIM LDBX-
_HP
Grid blower 1 speed higher 
than command.
NO 2
568 1
Grid Blwr 1 Fault 
(L4) – HP Boost 
Applied Short
SYSEVENT
Dual Active Bridge Boost 
applied.
NO 2
569 1
Grid 1 CBI Comm 
Loss – Comm 
Loss to System
DELAYED_SHT-
DWN LOADBOX-
_DIS
Grid blower 1 inverter 5 lost 
communication to system.
NO 0
570 1
DAB Fault – Sec 
Link V Delta
SPD_LIM_LOW 
LDBX_HP
Dual Active bridge secondary 
link voltage not tracking.
NO 2
570 2
DAB Fault – 
Excessive Faults
SPD_LIM_LOW 
LDBX_HP
Dual Active bridge detected 
excessive number of faults.
NO 2
570 3
DAB Fault – 
Comm Loss to 
System
SPD_LIM_LOW 
LDBX_HP
Dual Active bridge inverter lost 
communication to system.
NO 2
570 4
DAB Fault – DC 
Gnd Fault on Pri-
mary
SPD_LIM_LOW 
LDBX_HP
Dual Active bridge detected DC 
ground fault on primary link.
NO 2
EVENT 
#
SUB
CODE
EVENT 
DESCRIPTION
RESTRICTION CAUSE OR DEFINITION
AUTO 
RESET
OPER. 
RESET
124 GE Proprietary and Confidential Information
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
570 5
DAB Fault – AC 
Gnd Fault on Pri-
mary
SPD_LIM_LOW 
LDBX_HP
Dual Active bridge detected AC 
ground fault on primary link.
NO 2
571 1
Gnd Fault – Sec-
ondary DC
SPDLIM_LOW 
LDBX_HP
 Secondary DC link detected DC 
ground fault.
NO 2
572 1
Dual Active 
Bridge Fault – FB 
Off
DELAYED_SHT-
DWN LOADBOX-
_DIS
Dual Active bridge is not ON 
when expected.
NO 0
572 2
Dual Active 
Bridge Fault – Sec 
LinkV too Low
DELAYED_SHT-
DWN LOADBOX-
_DIS
Dual Active bridge detected 
secondarty DC link voltage is 
too low.
NO 0
575 1
Grid Blwr 2 Fault 
(L1) – Locked 
Rotor
INV7_OFF
Grid blower 2 detected with 
rotor restriction.
NO 2
575 2
Grid Blwr 2 Fault 
(L2) – Overspeed
INV7_OFF
Grid blower 2 detected with 
over speed fault.
NO 2
576 1
Grid Blwr 2 Fault 
(L2) – HP FB too 
High
SPDLIM_LOW 
LDBX_HP
Grid blower 2 detected with 
higher HP than command.
NO 2
576 2
Grid Blwr 2 Fault 
(L2) – AC Gnd 
Fault
SPDLIM_LOW 
LDBX_HP
Grid blower 2 detected with AC 
Ground fault.
NO 2
576 3
Grid Blwr 2 Fault 
(L2) – Excessive 
inv faults
SPDLIM_LOW 
LDBX_HP
Grid blower 2 detected with 
excessive number of inverter 
faults.
NO 2
577 1
Grid Blwr 2 Fault 
(L3) – Spd Too 
High
SPD_LIM LDBX-
_HP
Grid blower 2 speed higher 
than command.
NO 2
578 1
Grid Blwr 2 Fault 
(L4) – HP Boost 
Applied Short
SYSEVENTDual Active Bridge Boost 
applied.
NO 2
579 1
Grid 2 CBI Comm 
Loss – Comm 
Loss to System
DELAYED_SHT-
DWN LOADBOX-
_DIS
Grid blower 2 inverter 5 lost 
communication to system.
NO 0
580 1
Engine - After-
treatmnt Fault 
(7934-15)
SYSEVENT
Engine - Aftertreatment Fault 
(7934-15).
NO 0
580 2
Engine - eFault 
(7935-15)
SYSEVENT
Engine - Aftertreatment Fault 
(7935-15).
NO 0
580 3
Engine - After-
treatmnt Fault 
(7932-15)
SYSEVENT
Engine - Aftertreatment Fault 
(7932-15).
NO 0
EVENT 
#
SUB
CODE
EVENT 
DESCRIPTION
RESTRICTION CAUSE OR DEFINITION
AUTO 
RESET
OPER. 
RESET
GE Proprietary and Confidential Information 125
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GE OHV AC Control System Events, Historical Counters and Profiles Information
580 4
Engine - After-
treatmnt Fault 
(7933-15)
SYSEVENT
Engine - Aftertreatment Fault 
(7933-15).
NO 0
581 1
Engine - After-
treatmnt Fault 
(7934-16)
SPDLIM_LOW
Engine - Aftertreatment Fault 
(7934-16).
NO 0
581 2
Engine - After-
treatmnt Fault 
(7935-16)
SPDLIM_LOW
Engine - Aftertreatment Fault 
(7935-16).
NO 0
581 3
Engine - After-
treatmnt Fault 
(7932-16)
SPDLIM_LOW
Engine - Aftertreatment Fault 
(7932-16).
NO 0
581 4
Engine - After-
treatmnt Fault 
(7933-16)
SPDLIM_LOW
Engine - Aftertreatment Fault 
(7933-16).
NO 0
582 1
Engine - After-
treatmnt Fault 
(7934-0)
NO_POWER 
(long ramp)
Engine - Aftertreatment Fault 
(7934-0).
NO 0
582 2
Engine - After-
treatmnt Fault 
(7935-0)
NO_POWER 
(long ramp)
Engine - Aftertreatment Fault 
(7935-0).
NO 0
582 3
Engine - After-
treatmnt Fault 
(7932-0)
NO_POWER 
(long ramp)
Engine - Aftertreatment Fault 
(7932-0).
NO 0
582 4
Engine - After-
treatmnt Fault 
(7933-0)
NO_POWER 
(long ramp)
Engine - Aftertreatment Fault 
(7933-0).
NO 0
590 1
Firmware update 
available - FB191 
E-switch 1
SYSEVENT
Firmware update available - 
FB191 E-switch 1.
NO 0
590 2
Firmware update 
available - FB191 
E-switch 2 
SYSEVENT
Firmware update available - 
FB191 E-switch 2.
NO 0
590 3
Firmware update 
available - FM763 
E-switch 1
SYSEVENT
Firmware update available - 
FM763 E-switch 1.
NO 0
590 4
Firmware update 
available - FM763 
E-switch 2 
SYSEVENT
Firmware update available - 
FM763 E-switch 2.
NO 0
590 5
Firmware update 
available – FB191 
E-switch 1
SYSEVENT
Firmware update available – 
FB191 E-switch 1.
NO 0
590 6
Firmware update 
available – FB191 
E-switch 2 
SYSEVENT
Firmware update available – 
FB191 E-switch 2.
NO 0
EVENT 
#
SUB
CODE
EVENT 
DESCRIPTION
RESTRICTION CAUSE OR DEFINITION
AUTO 
RESET
OPER. 
RESET
126 GE Proprietary and Confidential Information
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
590 7
Firmware update 
available – INV1
SYSEVENT
Firmware update available – 
INV1.
NO 0
590 8
Firmware update 
available – INV2 
SYSEVENT
Firmware update available – 
INV2.
NO 0
590 9
Firmware update 
available – INV3 
SYSEVENT
Firmware update available – 
INV3.
NO 0
590 10
Firmware update 
available – INV4
SYSEVENT
Firmware update available – 
INV4.
NO 0
590 11
Firmware update 
available – INV5 
SYSEVENT
Firmware update available – 
INV5.
NO 0
590 12
Firmware update 
available – INV6 
SYSEVENT
Firmware update available – 
INV6.
NO 0
590 13
Firmware update 
available – INV7 
SYSEVENT
Firmware update available – 
INV7.
NO 0
590 14
Firmware update 
available – INV8 
SYSEVENT
Firmware update available – 
INV8.
NO 0
591 1
Effective Grade 
Alert
SYSEVENT
System torque (based on nomi-
nal GVW) indicates an equiva-
lent grade above 12.7% for a 
time more than 30 seconds in a 
10-minute rolling window. Ver-
ify Truck Configuration/Setup, 
Tire Rolling Radius, Rolling 
Resistance, Actual Grade, GVW/
Payload.
NO 0
592 1
Effective Grade 
Warning
SYSEVENT
System torque (based on nomi-
nal GVW) indicates an equiva-
lent grade above 13.3% for a 
time more than 30 seconds in a 
10-minute rolling window. Ver-
ify Truck Configuration/Setup, 
Tire Rolling Radius, Rolling 
Resistance, Actual Grade, GVW/
Payload.
NO 0
593 1
Effective Grade 
Restriction-Warn-
ing
SYSEVENT
System torque (based on nomi-
nal GVW) indicates an equiva-
lent grade above 14% for a 
time more than 30 seconds in a 
10-minute rolling window. Ver-
ify Truck Configuration/Setup, 
Tire Rolling Radius, Rolling 
Resistance, Actual Grade, GVW/
Payload.
NO 0
EVENT 
#
SUB
CODE
EVENT 
DESCRIPTION
RESTRICTION CAUSE OR DEFINITION
AUTO 
RESET
OPER. 
RESET
GE Proprietary and Confidential Information 127
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GE OHV AC Control System Events, Historical Counters and Profiles Information
2.4. DSC/TCI EVENT LIST (600 - 699)
2.4.1. Event Restriction
This is the restriction associated with the detection of the given event. Possible restrictions associated with a TCI
event are defined as follows:
Table 7. Event Restriction
2.4.2. DSC/TCI Event List (600 - 699)
Table 8. DSC/TCI Event List
594 1
Effective Grade 
Restriction Warn-
ing
SPD_LIM
System torque (based on nomi-
nal GVW) indicates an equiva-
lent grade above 14% for a 
time more than 5 minutes in a 
10-minute rolling window. Ver-
ify Truck Configuration/Setup, 
Tire Rolling Radius, Rolling 
Resistance, Actual Grade, GVW/
Payload.
NO 0
RESTRICTION DEFINITION OF RESTRICTED STATES
PROPEL_INH
No propulsion effort allowed, however, retard effort and DC link ener-
gization allowed. In addition, when TCI asserts a No Propel fault it shall 
also send an ACCEL INHIBIT across the serial link to PSC and illumi-
nate the NO PROPEL light in the operator cab.
TCI_SPDLIM
Requests the PSC to impose a 10 /15 MPH ((16/24KPH) speed limit. 
Lights the Syswarn (yellow) light.
TCI_EVENT There are no restrictions. This is called a non-restrictive event.
EVENT #
SUB 
CODE
EVENT DESCRIPTION RESTRICTION CAUSE OR DEFINITION
AUTO 
RESET
OPER. 
RESET
601 1
CPU Card FB144/FB174 – 
10 ms task failed to init
PROPEL_INH
TCI CPU Card Hardware 
problem detected
NO 2
601 2
CPU Card FB144/FB174 – 
20 ms task failed to init
PROPEL_INH
TCI CPU Card Hardware 
problem detected
NO 2
601 3
CPU Card FB144/FB174 – 
50 ms task failed to init
PROPEL_INH
TCI CPU Card Hardware 
problem detected
NO 2
601 4
CPU Card FB144/FB174 – 
100 ms task failed to init
PROPEL_INH
TCI CPU Card Hardware 
problem detected
NO 2
601 5
CPU Card FB144/FB174 – 
200 ms task failed to init
PROPEL_INH
TCI CPU Card Hardware 
problem detected
NO 2
EVENT 
#
SUB
CODE
EVENT 
DESCRIPTION
RESTRICTION CAUSE OR DEFINITION
AUTO 
RESET
OPER. 
RESET
128 GE Proprietary and Confidential Information
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
601 6
CPU Card FB144/FB174 – 
50 ms fault mgr task
PROPEL_INH
TCI CPU Card Hardware 
problem detected
NO 2
601 7
CPU Card FB144/FB174 – 
Flash CRC
PROPEL_INH
TCI CPU Card Hardware 
problem detected
NO 2
601 9
CPU Card FB144/FB174 – 
Maint task failed to init
PROPEL_INH
TCI CPU Card Hardware 
problem detected
NO 2
601 10
CPU Card FB144/FB174 – 
Excess timeouts
PROPEL_INH
TCI CPU Card Software or 
problem with
I/O card communication.
NO 2
601 11
CPU Card FB144/FB174 – 
Invalid pointers
PROPEL_INH
TCI CPU Card Initialization 
Problem
NO 2
601 12
CPU Card FB144/FB174 – 
Digital I/O card fault
PROPEL_INH
TCI CPU Card Hardware 
problem detected
NO 2
602 FB104 Digital I/O PROPEL_INH
TCI card has lost commu-
nication with FB104 Digital 
I/O
NO 2
603 FB160 Analog I/O PROPEL_INH
TCI card has lost commu-
nication with FB160 Ana-
log I/O
NO 2
604 1
PSC communication fault – 
TCI detected PSC RS422 
communication fault
TCI_SPDLIM
TCI CPU card has lost com-
munication
with the PSC CPU card.
NO 0
605
Aux Comm Fault
930E-1/2 only
TCIEVENT
TCI lost communication 
with the Aux
Blower Control
NO 2
607 Positive 5 Volts TCI_SPDLIM
Positive (+) 5 VDC power
supply is out of range
NO 3
608 Positive 15 Volts TCI_SPDLIM
Positive (+) 15 VDC power
supply is out of range
NO 3
609 Negative 15 Volts TCI_SPDLIM
Negative (–)15 VDC power
supply is out of range
NO 3
610 Pot Reference TCI_SPDLIM
 Pot Reference voltage is 
out of range
NO 3
613 1
Analog input out of limits – 
Ground
TCI_SPDLIM
 Analog card internal 
ground signal outside 
range
NO 2
613 2
Analog input out of limits – 
Gain check
TCI_SPDLIM
Analog card internal 10-
volt signal outside range
NO 2
614 1
Battery separate – Battery 
separate failure
TCIEVENT
Battery separate contac-
tor failure
NO 2
614 2
Battery separate – Crank 
battery > control battery
TCIEVENT
While engine running, 
crank battery voltage > 
control battery voltage
NO 2
EVENT #
SUB 
CODE
EVENT DESCRIPTION RESTRICTION CAUSE OR DEFINITION
AUTO 
RESET
OPER. 
RESET
GE Proprietary and Confidential Information 129
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GE OHV AC Control System Events, Historical Counters and Profiles Information
614 3
Battery separate – Control 
battery > crank battery
TCIEVENT
While engine running, 
control battery voltage> 
crank battery voltage 
NO 2
616
Directional signal mis-
match
PROPEL_INH
Both Forward and Reverse 
request ON
NO 3
617 1
Engine start request denied 
– Engine warn while crank
TCIEVENT
Engine Warning signal 
while cranking
NO 0
617 2
Engine start request denied 
– Engine kill while crank
TCIEVENT
Engine Kill signal while 
cranking
NO 0
618
Engine start request denied 
– Non restrictive
Note: Only active for belaz. 
Belaz can choose between 
logging event 618 or 619
TCIEVENT
Engine warning signal
NO 0
619 Engine Warning received PROPEL_INH
Engine warning signal 
received from engine con-
troller
NO 0
620 Engine Kill while moving PROPEL_INH
Engine Kill while truck is 
moving
NO 2
622 1
Parking brake fault – Com-
mand/feedback failure
PROPEL_INH
Park brake command and 
feedback mismatch 
NO 3
622 2
Parking brake fault – Set 
above max speed
PROPEL_INH
Park brake fault while 
truck is moving
NO 3
623 1
Hydraulic brake fluid hot - 
Hydraulic tank 
TCIEVENT
Hydraulic brake fluid temp 
high
NO 0
623 2
Hydraulic brake fluid hot – 
Left front
TCIEVENT
Hydraulic brake fluid -left 
front high
NO 0
623 3
Hydraulic brake fluid hot – 
Right front
TCIEVENT
Hydraulic brake fluid -right 
front high
NO 0
623 4
Hydraulic brake fluid hot – 
Left rear
TCIEVENT
Hydraulic brake fluid -left 
rear high
NO 0
623 5
Hydraulic brake fluid hot – 
Right rear
TCIEVENT
Hydraulic brake fluid -right 
rear high
NO 0
624 Body up with payload PROPEL_INH
Dump body up with pay-
load
NO 2
625 Dump Body up with speed TCIEVENT
Dump Body transitions 
from down to up when 
truck is in speed
NO 2
626
Load Brake Applied at 
speed
TCIEVENT
Load Brake Applied at 
speed
 NO 2
628 1
Battery connected out of 
limits – Control battery low
TCI_SPDLIM Control battery low NO 0
EVENT #
SUB 
CODE
EVENT DESCRIPTION RESTRICTION CAUSE OR DEFINITION
AUTO 
RESET
OPER. 
RESET
130 GE Proprietary and Confidential Information
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
628 2
Battery connected out of 
limits – Control battery 
high
TCI_SPDLIM Control battery high NO 0
629 1
Barometric pressure out of 
limits - Low
TCIEVENT
Barometric pressure read-
ing is Low
NO 0
629 2
Barometric pressure out of 
limits - High
TCIEVENT
Barometric pressure read-
ing is high
NO 0
630 1
Motor pressure out of limits 
– Low air detected
TCI_SPDLIM
Digital axle box pressure 
sensor indicates low air
NO 4
630 2
Motor pressure out of limits 
– Sensor bad – V Low
TCI_SPDLIM
Analog axle box pressure 
sensor reading low
NO 4
630 3
Motor pressure out of limits 
– Sensor bad – V High 
TCI_SPDLIM
Analog axle box pressure 
sensor reading high
NO 4
630 4
Motor pressure out of limits 
– Sense reversed 
TCI_SPDLIM
 Analog Axle box pressure 
sensor reveresed
NO 4
630 5
Motor pressure out of limits 
– Digital sensor high with 
engine off
TCI_SPDLIM
Digital axle box pressure 
sensor reading high with 
engine Off
NO 4
631 1
Amb Temp out of limits - 
Low
TCIEVENT
Ambient temperature 
reading low
NO 0
631 2
Amb Temp out of limits – 
High
TCIEVENT
Ambient temperature 
reading high
NO 0
632 1
Config data not valid – GE 
config file 
PROPEL_INH
The PSC or TCI CPU card 
does not detect a valid GE 
configuration file loaded
NO 0
632 2
Config data not valid – 
Mine config file
PROPEL_INH
The PSC or TCI CPU card 
does not detect a valid 
mine configuration file 
loaded
NO 0
632 3
Config data not valid – ver 
incorrect
PROPEL_INH
The PSC or TCI CPU card 
does not detect a valid 
configuration file loaded
NO 0
632 6
Config data not valid – TCI 
config file incorrect
PROPEL_INH
TCI CPU card incorrect 
configuration
NO 0
632 9
Config data not valid – Old 
version
PROPEL_INH Config file is older version NO 0
632 12
Config data not valid – GE 
Config File Incorrect
PROPEL_INH
GE configuration file is not 
as expected
NO 0
633 TCI BBRAM corrupted TCIEVENT
 TCI BBRAM corrupted 
(FB144/FB174 only)
NO 1
634
Truck Overloaded – restric-
tive
PROPEL_INH
Restrictive, Truck payload 
system has signaled the 
truck is overloaded
NO 0
EVENT #
SUB 
CODE
EVENT DESCRIPTION RESTRICTION CAUSE OR DEFINITION
AUTO 
RESET
OPER. 
RESET
GE Proprietary and Confidential Information 131
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GE OHV AC Control System Events, Historical Counters and Profiles Information
635
Truck Overloaded –non 
restrictive
TCIEVENT
Non-restrictive Truck pay-
load system
has signaled the truck is 
overloaded
NO 0
636 1
Aux Inv Fault – Low DC bus 
V detected during pwrup
TCIEVENT
Aux blower controller 
detected low DC bus volt-
age detected during 
powerup
NO 5
636 2
Aux Inv Fault – High DC bus 
V detected during pwrup
TCIEVENT
Aux blower controller 
detected 
high DC bus voltage 
during powerup
NO 5
636 3
Aux Inv Fault – Overcur-
rent condition detected 
during operation
TCIEVENT
Aux blower controller 
detected overcurrent 
during operation
NO 5
636 4
Aux Inv Fault – Blwr control 
batt power loss (Ignore if 
operates OK after reset)
TCIEVENT
Aux blower controller lost 
battery power
NO 5
636 5
Aux Inv Fault – High DC bus 
V detected during opera-
tion
TCIEVENT
Aux blower controller 
detected high DC bus volt-
age during operation
NO 5
636 6
Aux Inv Fault – High DC bus 
V detected after phase 
controller pwrup
TCIEVENT
Aux blower controller 
detected high DC bus volt-
age after power up
NO 5
636 7
Aux Inv Fault – Low DC bus 
V detected after phase 
controller pwrup
TCIEVENT
Aux blower controller 
detected low DC bus volt-
age detected after 
powerup
NO 5
636 8
Aux Inv Fault – High DC bus 
V detected during opera-
tion
TCIEVENT
Aux blower controller 
detected high DC bus volt-
age during operation
NO 5
636 9
Aux Inv Fault – Overcur-
rent detected after phase 
controller pwrup
TCIEVENT
Aux blower controller 
detected overcurrent after 
power up
NO 5
636 10
Aux Inv Fault – Sustained 
current overload below 
safe component operating 
range 
TCIEVENT
Aux blower controller 
detected sustained cur-
rent overload
NO 5
636 11
Aux Inv Fault – Overcur-
rent condition due to low 
DC bus V
TCIEVENT
Aux blower controller 
detected overcurrent due 
to low dc bus voltage
NO 5
636 12
Aux Inv Fault – Sustained 
current overload due to 
low DC bus V
TCIEVENT
Aux blower controller 
detected sustained cur-
rent overload due to low 
dc bud voltage
NO 5
EVENT #
SUB 
CODE
EVENT DESCRIPTION RESTRICTION CAUSE OR DEFINITION
AUTO 
RESET
OPER. 
RESET
132 GE Proprietary and Confidential Information
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GE OHV AC Control System Events, Historical Counters and Profiles Information
636 13
Aux Inv Fault – IGBT protec-
tion circuit detected an 
overcurrent condition
TCIEVENT
Aux blower controller 
detected IGBT overcurrent
NO 5
636 14
Aux Inv Fault – Zero input V 
detected
TCIEVENT
Aux blower controller 
detected insufficient input 
voltage
NO 5
637 Aux link hot – main link off
TCIEVENT
930E1/2 ONLY
Aux blower controller 
detected aux dc bus volt-
age while aux blower is offNO 5
638 Engine Cranking Timeout TCIEVENT
Engine cranking active
for more than 20 seconds
NO 0
639
Engine Start Request while 
running
TCIEVENT
A request for diesel
engine start while the
diesel engine is running
NO 0
640 1
Accel pedal out of limits – 
Too high
PROPEL_INH
The Accel Pedal input
voltage was greater than
Pot Reference voltage
NO 2
641 1
Accel pedal out of limits – 
Too low
TCIEVENT
The Accel Pedal control
input voltage was lower
than expected
NO 2
642 1
Engine Started using Over-
ride
TCIEVENT
Engine crank protection
ON with engine start
request and reset/dump
body override ON
YES 9
643 1
Cabinet pressure out of 
limits – Low air detected
TCI_SPDLIM
Control group Digital Con-
trol air pressure switch 
indicates low pressure 
with engine running
NO 4
643 2
Cabinet pressure out of 
limits – Sensor high with 
engine off
TCI_SPDLIM
Control group Digital Con-
trol air pressure switch 
indicates high pressure 
with engine not running
YES 4
643 3
Cabinet pressure out of 
limits – Control group cool-
ing air
TCI_SPDLIM
Control group Digital Con-
trol air pressure switch 
indicates low pressure
with engine running and
AFSE high temperature
YES 4
644 1
Cabinet heater circuit – 
HCR failed open
TCIEVENT
Relay HCR commanded
closed (ON) and feedback
indicates HCR is open
(OFF)
NO 2
644 2
Cabinet heater circuit – 
HCR failed close
TCIEVENT
Relay HCR commanded
open (OFF and feedback
indicates HCR is closed
(ON)
NO 2
EVENT #
SUB 
CODE
EVENT DESCRIPTION RESTRICTION CAUSE OR DEFINITION
AUTO 
RESET
OPER. 
RESET
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644 3
Cabinet heater circuit – 
HR1 did not close/blown 
fuse
TCIEVENT
Relay HCR commanded
closed (ON) and HR1
feedback indicates open
(OFF)
NO 2
644 4
Cabinet heater circuit – 
HR1 failed open
TCIEVENT
Relay HCR commanded
open (OFF) and HR1
feedback indicates
closed (ON)
NO 2
644 5
Cabinet heater circuit – 
HR2 did not close/blown 
fuse
TCIEVENT
Relay HCR commanded
closed (ON) and HR2
feedback indicates open
(OFF)
NO 2
644 6
Cabinet heater circuit – 
HR2 failed open
TCIEVENT
Relay HCR commanded
open (OFF) and HR2
feedback indicates
closed (ON)
NO 2
644 7
Cabinet heater circuit – 
HR3 did not close/blown 
fuse (if used)
TCIEVENT
Relay HCR commanded
closed (ON) and HR3 (if
equipped) feedback
indicates open (OFF)
NO 2
644 8
Cabinet heater circuit – 
HR3 failed open
TCIEVENT
Relay HCR commanded
open (OFF) and HR3 (if
equipped) feedback
indicates closed (ON)
NO 2
645 1
Pre-Shift brake test – Ser-
vice brake test
TCIEVENT
Pre-shift Service Brake
test active and specified
torque achieved for test
NO 0
645 2
Pre-Shift brake test – Park-
ing brake test
TCIEVENT
Pre-shift Parking Brake
test active and specified
torque achieved for test
NO 0
645 3
Pre-Shift brake test – 
Retard test passed
TCIEVENT
Pre-shift retarder test
active and retarder
circuit passed test
NO 0
645 4
Pre-Shift brake test – 
Momentary switch failed
TCIEVENT
Pre-shift retarder test
active and retarder
circuit failed test
NO 0
645 5
Pre-Shift brake test – 
Momentary switch stuck
TCIEVENT
Pre-shift test activation
button input remains ON
for more than 60
seconds, brake is stuck
NO 0
646 1
E-Stop pressed – Digital 
retard request active
PROPEL_INH
Dash Full Retard Request
button pressed and truck
speed is more than 1
mph (1.6 kph)
NO 0
EVENT #
SUB 
CODE
EVENT DESCRIPTION RESTRICTION CAUSE OR DEFINITION
AUTO 
RESET
OPER. 
RESET
134 GE Proprietary and Confidential Information
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GE OHV AC Control System Events, Historical Counters and Profiles Information
647 1 Service Brake @ Speed TCIEVENT
Service Brake applied at
higher than preset truck
speed
NO 0
648 1
Wheel Motor Heater – Fail-
ure or Wiring
TCIEVENT
Wheel motor heater cir-
cuit-heater failure or wir-
ing issue
NO 2
648 2
Wheel Motor Heater – HR1 
Failed to close/Bad Fuse
TCIEVENT
Wheel motor heater cir-
cuit- HR1 failed to close or 
bad fuse
NO 2
648 3
Wheel Motor Heater – HR1 
stuck closed
TCIEVENT
Wheel Motor Heater cir-
cuit – HR1 stuck closed
NO 2
648 4
Wheel Motor Heater – HR2 
failed to close or bad fuse
TCIEVENT
Wheel Motor Heater cir-
cuit – HR2 failed to close 
or bad fuse
NO 2
648 5
Wheel Motor Heater – HR2 
stuck closed
TCIEVENT
Wheel Motor Heater cir-
cuit – HR2 stuck closed
NO 2
649 1
Speed Limit Config Error - 
PSC-TCI Speed Limit Mis-
match
TCI_SPDLIM
PSC-TCI Speed Limit Mis-
match (configuration is 
different)
NO 0
650 1
Pedal Calibration Needed – 
Accel
TCIEVENT
Accel Pedal values are
outside the preset
numbers
NO 0
650 2
Pedal Calibration Needed – 
Retard
TCIEVENT
Retard Pedal values are
outside the preset
numbers
NO 0
650 3
Pedal Calibration Needed – 
Full HP
TCIEVENT
Accel Pedal does not regis-
ter
100% over an extended 
period of time
NO 0
650 4
Pedal Calibration Needed - 
Startup
TCIEVENT
Pedals (Accel/Retard)
must be calibrated after
replacement of any CPU
card or software load
NO 0
651 1 Truck ID not Set TCIEVENT
Truck Identification (ID)
has not been set or
programmed
NO 0
652 1
Incorrect DID Config – TCI 
SW Incorrect
174 only
TCIEVENT
DID Panel configuration
incorrect for DID Panel
hardware
NO 0
653
1
Transformer Pressure out 
of limits – Low Air Detected
TCI_SPDLIM
Transformer Pressure 
switch – Low Air Detected
NO 4
2 Sensor high with engine off TCI_SPDLIM
Transformer Pressure 
switch sesor high with 
engine off
NO 4
EVENT #
SUB 
CODE
EVENT DESCRIPTION RESTRICTION CAUSE OR DEFINITION
AUTO 
RESET
OPER. 
RESET
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654 2
Sys Boot not from Pwrup – 
Slow Watchdog
TCIEVENT
TCI CPU card reset due to
slow watchdog timer
expiring
YES - 30 
Sec.
N/A
654 3
Sys Boot not from Pwrup – 
SW Request
TCIEVENT
TCI CPU card reset due to
request from software
YES - 30 
Sec.
N/A
654 4
Sys Boot not from Pwrup – 
Normal
TCIEVENT Normal powerup
YES - 30 
Sec.
N/A
654 6
Sys Boot not from Pwrup – 
Power Monitor
TCIEVENT
TCI CPU card reset due to
Power +5vdc monitor
YES - 30 
Sec.
N/A
654 7
Sys Boot not from Pwrup – 
Push Button Reset
TCIEVENT
TCI CPU card reset due to
Reset Pin being jumpered
YES - 30 
Sec.
N/A
654 8
Sys Boot not from Pwrup – 
Fast Watchdog
TCIEVENT
TCI CPU card reset due to
fast watcdog expiring
YES - 30 
Sec.
N/A
654 9
Sys Boot not from Pwrup – 
1.2 Vdc Pwr Supply
TCIEVENT
TCI CPU card reset due to
1.2 V Power Supply out of
Tolerance
YES - 30 
Sec.
N/A
654 10
Sys Boot not from Pwrup – 
1.25 Vdc Pwr Supply
TCIEVENT
TCI CPU card reset due to
1.25 Vdc Power Supply
out of Tolerance
YES - 30 
Sec.
N/A
654 11
Sys Boot not from Pwrup – 
2.5 Vdc Pwr Supply
TCIEVENT
TCI CPU card reset due to
2.5 Vdc Power Supply out
of Tolerance
YES - 30 
Sec.
N/A
654 12
Sys Boot not from Pwrup – 
3.3 Vdc Pwr Supply
TCIEVENT
TCI CPU card reset due to
3.3 Vdc Power Supply out
of Tolerance
YES - 30 
Sec.
N/A
654 17
Sys Boot not from Pwrup – 
Vehicle Moving at Reboot
TCIEVENT
Vehicle Speed was >
1mph (1.6 kph) when TCI 
CPU card
booted.
YES - 30 
Sec.
N/A
655 1
Too Many Boots not from 
Pwrup – Multiple 654 
Events
TCI_SPDLIM
TCI Event 654 logged 3
times within a 30 minute
window
NO 0
656 1
Excessive Brake Applica-
tion – Add. Cooling in Prog-
ress
TCIEVENT
Additional wheel motor 
cooling requested by OEM NO 0
657 1
Barometric Pressure Sen-
sor
TCIEVENT
 GE Sensor and engine 
sensor are not matching
NO 0
696 
Unexpected CPU reset
174 only
TCIEVENT
The PSC or TCI CPU card
reset while truck was in
an operational mode
YES 2
698 PTU Data Store TCIEVENT
A Data Store process was
manually initiated
NO 9
699 Old Version of Primary OS TCIEVENT
Primary operating system 
is of older version
NO 0
EVENT #
SUB 
CODE
EVENT DESCRIPTION RESTRICTION CAUSE OR DEFINITION
AUTORESET
OPER. 
RESET
136 GE Proprietary and Confidential Information
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
3. HISTORICAL DATA COUNTERS
The historical data counters maintain a numerical count for each occurrence of the Counter Number listed in the
Counter Table. Each Counter Number of the Counter Table counts: 
• LCOUNT — The lifetime count which is associate with its date, LCOUNT START. It can be reset to zero by a pass-
word level privileged user, and the LCOUNT START will automatically be set to the date on the CPU board when
the reset occurred. 
• LAST MONTH — This is the total number of counts for the monitored parameter over the last month. This
counter has the same value throughout the duration of a month. At midnight during a month change, this
counter is overwritten by the THIS MONTH value, since at this time THIS MONTH becomes LAST MONTH. 
• THIS MONTH — This counter maintains a moment by moment count of the occurrences of the parameter. The
counts are not reset to zero until midnight of the next month. 
• LAST QTR — This is the total number of counts for the parameter over the last fiscal quarter, also known as the
last three months. This counter has the same value throughout the duration of a quarter. At midnight during a
quarter change, this counter is overwritten by the THIS QTR value, since at this time THIS QTR becomes LAST
QTR. 
• THIS QTR — This counter maintains a moment by moment count of the occurrences of the parameter. The
counts are not reset to zero until midnight of the next quarter. 
• YESTERDAY — This is the total number of counts for the parameter over the last 24 hours. This counter has the
same value throughout the duration of a day. At midnight this counter is overwritten by the THIS DAY value. 
• THIS DAY — This counter maintains a moment by moment count of the occurrences of the parameter. The
counts are reset to zero every midnight, whether or not it is quarter change. 
If the TCI electronic control panel is shutoff before midnight, any necessary resetting of counters shall be done when
the panel next powers up after midnight.
Whenever TCI is programmed, i.e., the TCI CPU card has the contents of the FLASH proms altered, the Lcount, Last
Qtr and This Qtr counts are not changed. However, the This Day count shall be reset to zero.
In order to effectively use the statistical data to monitor maintenance of the vehicle, it is recommended that an
office spread sheet or data base computer program be used to keep quarterly records of the statistical data. In
order to facilitate the upload of statistical data from the CPU card to an office computer, a feature called UPLOAD
STATISTICAL DATA TO A FILE shall be provided via PTU communication. This feature shall put all the collected statisti-
cal data into an ASCII file which can then be processed in the office to keep records on truck use.
3.1. MINE HISTORICAL COUNTERS (301 - 399)
This section details the Mine Counters. A counter is a single stat that is incremented by 1 whenever a defined event
occurs.
Table 9. Mine Truck Counters
EVENT # DESCRIPTION UNITS COUNT CONDITIONS
301 Truck Life Hours Calendar hours that have elapsed since the CPU has been loaded 
with its current version of software. NOTE: This counter only has 
non-zero values in Lifetime Counter column. 
302 Control Power 
On 
Hours Number of hours that the control power relay (CPR) has been ener-
gized. 
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303 Engine Oper-
ate 
Hours Number of hours of engine operation above the engine 
running threshold criteria. 
304 Engine Idle Hours Number of hours when engine is idling and truck is stationary. 
305 Truck Operate Hours The summation number of hours that the propulsion system has 
operated in propulsion, retard, ready and test. 
306 Truck Parked Hours Summation number of hours that the Park Brake applied 
feedback is true while drive is energized. 
307 Truck Travel Miles Cumulative miles travelled by the truck. Calculated average value of 
the four wheel motor speed signals. 
308 Truck Travel Kilometers Cumulative miles travelled by the truck. Calculated average non-
directional value of the four wheel motor speed signals. 
309 Wheel 1 Oper-
ate 
Hours Number of hours that wheel #1 was providing torque in either pro-
pulsion or retard, and was moving. 
310 Wheel 2 Oper-
ate 
Hours Number of hours that wheel #2 was providing torque in either pro-
pulsion or retard, and was moving. 
311 Propel For-
ward 
Hours Number of hours that the truck was moving forward in the propul-
sion mode of operation. 
312 Retard For-
ward 
Hours Number of hours that the truck was moving forward in the retard 
mode of operation. 
313 Propel Mode Hours Number of hours that the truck was moving in the propulsion mode 
of operation. 
314 Retard Mode Hours Number of hours that the truck was moving in the retard mode of 
operation. 
315 CPR Pickup Occurrences Number of times when the Keyswitch was moved from the STOP to 
the ON position. 
316 GF Pickup Occurrences Number of times that the GF contactor feedback has 
indicated GF picked up (turned on). 
317 GFR Pickup Occurrences Number of times that the GFR relay feedback has indicated GFR 
picked up (turned on). 
318 RP1 Pickup Occurrences Number of times that the RP1 relay feedback has indicated RP1 
picked up (turned on). 
319 RP2 Pickup Occurrences Number of times that the RP2 relay feedback has indicated RP2 
picked up (turned on). 
320 RP3 Pickup Occurrences Number of times that the RP3 relay feedback has indicated RP3 
picked up (turned on). 
321 Dump Body 
Up 
Occurrences Number of times the dump body up sensor indicated the dumped 
body moved up from the down position. 
322 Loaded Truck Occurrences Number of times that the Full Payload system input has changed to 
indicate loaded. 
323 Speed Set 1 Occurrences Number of times that the programmable speed set point #1 has 
been exceeded. 
324 Speed Set 2 Occurrences Number of times that the programmable speed set point #2 has 
been exceeded. 
EVENT # DESCRIPTION UNITS COUNT CONDITIONS
138 GE Proprietary and Confidential Information
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GE OHV AC Control System Events, Historical Counters and Profiles Information
325 Engine Start 
Switch 
Occurrences Number of times that the engine start request was actuated by the 
operator’s Keyswitch. 
326 Engine On 
and Start 
Occurrences Number of times that engine start request received while the 
engine above its running threshold criteria. 
327 Separate 
Batteries 
Occurrences Number of times that the control and cranking batteries were com-
manded to separate. 
328 Engine Crank Occurrences Number of times that a crank command has been issued to the 
engine. 
329 Engine Starts Occurrences Number of times that the measured engine RPM has exceeded the 
engine running criteria. 
330 Engine Off Occurrences Number of times that the Engine Kill push button was 
actuated. 
331 Park Brake 
Request 
Occurrences Number of times that the Operator’s Park Brake switch was actu-
ated. 
332 Park Brake 
Applied 
Occurrences Number of times that the Park Brake pressure switch feedback indi-
cates switching from release to apply. 
333 Selector 
Switch to 
Reverse 
Occurrences Number of times that the Selector Switch was moved to the 
REVERSE position. 
334 Selector 
Switch to For-
ward 
Occurrences Number of times that the Selector Switch was moved to the FOR-
WARD position. 
335 Selector 
Switch When 
Moving 
Occurrences Number of times that the Selector was moved to command a direc-
tion change while the truck was moving. 
336 RSC Switch On Occurrences Number of times that the Retard Speed Control (RSC) switch was 
moved from OFF to ON. 
337 Rest Request Occurrences Number of times that the rest request was received by 
actuation of the Rest Request switch. 
338 Override 
Switch 
OccurrencesNumber of times that the override command was received by actu-
ation of the Override switch. 
339 Lamp Test 
Switch
Occurrences Number of times, that the Lamp Test switch has been operated.
340 Engine Cau-
tions 
Occurrences Number of times that the Engine Cautions signal received from the 
Engine Controller. 
341 Engine OEM 
Overspeed 
Occurrences Number of times that the Engine Speed increases above an OEM–
selected limit. 
342 Load Brake Occurrences Number of times that the Load Brake input transitioned from OFF to 
ON (specific applications). 
343 Load Brake Seconds The amount of time that the Load Brake is applied (specific applica-
tions). 
344 Service Brake 
at Speed 
Occurrences Number of times that the Service Brake is applied at speed. 
EVENT # DESCRIPTION UNITS COUNT CONDITIONS
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345 Service Brake 
at Speed 
Seconds The amount of time that the Service Brake is applied at speed. 
347 Starter Failure Occurrences Number of times the engine starter fail signal transitioned from OFF 
to ON (if equipped). 
348 Coasting Hours Number of hours truck coasting when ready mode is active and 
Wheel #1 or #2 speed is above 50 RPM. 
349 Rest Hours Number of hours that are spent in the Rest mode. 
350 Test Hours Number of hours that are spent in the Test mode. 
351 Enter READY Occurrences Number of times that the READY mode has been entered. 
352 Enter Test Occurrences Number of times that the Test mode has been entered. 
353 Enter Propel Occurrences Number of times that the Propel mode has been entered. 
354 Enter Retard Occurrences Number of times that the Retard mode has been entered. 
355 Speed Con-
trol Active 
Occurrences Number of times that propel torque is regulated in the speed limit 
mode. 
356 M1 Spin Time Seconds Number of seconds that Wheel #1 Spin Control is active. 
357 M1 Slide Time Seconds Number of seconds that Wheel #1 Slide Control is active. 
358 M2 Spin Time Seconds Number of seconds that Wheel #2 Spin Control is active. 
359 M2 Slide Time Seconds Number of seconds that Wheel #2 Slide Control is active. 
360 M1 Spin Count Occurrences Number of times that Wheel #1 Spin Control is active. 
361 M1 Slide 
Count 
Occurrences Number of times that Wheel #1 Slide Control is active. 
362 M2SpinCount Occurrences Number of times that Wheel #2 Spin Control is active. 
363 M2 Slide 
Count 
Occurrences Number of times that Wheel #2 Slide Control is active. 
364 Service Brake 
Time 
Seconds Number of seconds that the wet brake is applied and truck is in 
motion. 
365 Service Brake 
Applied 
Occurrences Number of times that the wet brake is applied and truck is in 
motion. 
366 Load Box 
Mode 
Seconds Number of seconds that the system is in load box mode. 
367 Battery Char-
ger Failure 
Seconds Number of seconds the Battery Voltage is outside of a defined 
range while the Battery charger should be active. 
368 Pedal 
Calibrations 
Occurrences Number of times that the DID Pedal Calibration routine was run. 
369 Pedal Failures Occurrences Number of times that the DID Pedal Calibration routine failed. 
370 Payload 
Communica-
tion Error 
Occurrences Number of times that the Serial Payload Interface has 
experienced a communication error. 
371 Overpayload Occurrences Number of times that the Overload Payload signal 
372 Overpayload Seconds Number of seconds that the Overpayload signal is ON. 
373 Parking Brake 
Test 
Occurrences Number of times that the Pre-Shift Brake test for the Parking Brake 
is run. 
EVENT # DESCRIPTION UNITS COUNT CONDITIONS
140 GE Proprietary and Confidential Information
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GE OHV AC Control System Events, Historical Counters and Profiles Information
3.2. DSC AND PSC HISTORICAL EVENT COUNTER
The DSC and PSC Event counters are in the Range 1001 through 1099 and correspond to the DSC or PSC Event num-
ber + 1000 listed in section 2.1.. The units for all the Event counters are number of occurrences, adding a count each
time an Event becomes active. Each Counter presents the counts in Lifetime, Last Month, This Month, Last Quarter,
This Quarter, and This Day as detailed in section 3.. The DSC and PSC Event Counters are not shown since they follow
the same pattern as the related Event List.
3.3. INVERTER 1 HISTORICAL EVENT COUNTER
The Inverter 1 counters are in the Range 1100 through 1199 and correspond to the Inverter 1 Event number + 1000
listed in section . The units for all the Event counters are number of occurrences, adding a count each time an Event
374 Service Brake 
Test 
Occurrences Number of times that the Pre-Shift Brake test for the Service Brake 
is run. 
375 Retarder Test Occurrences Number of times that the Pre-Shift Retarding test for the Retarder is 
run. 
376 Warm-up 
Mode 
Hours Number of hours that the Engine Warm-up mode is active. 
377 Spin Disable Occurrences Number of times that the Spin Disabled switch is activated by the 
operator.
378 Cruise Active Seconds Number of seconds, that the Cruise Control is active.
379 Wheel Brake 
Lock
Occurrences Number of times, that the Wheel Brake Lock is applied.
380 Neutral Occurrences Number of times, that the Neutral direction is requested.
381 Alternator 
KW Hours
KW_Hours This is accumulated Alternator Kilowatt hours.
382 Retard Engine 
Increment 1
Occurrences Number of times, that the Engine rpm increases to level 1 during 
retard.
383 Retard Engine 
Increment 2
Occurrences Number of times, that the Engine rpm increases to level 2 during 
retard.
384 Wheel Motor 
Heater Time
Sec This is the amount of time the wheel motor heater has run.
385 Wheel Motor 
Heater Cycles
times This is the number of cycles the wheel motor heater has run.
386 Fuel Saver 
Disabled by 
Temp Times
times This is the number of times fuel saver was disabled by temperature.
387 Fuel Saver 
Disabled by 
Temp Total
Sec This is the number of times fuel saver was disabled by temperature.
388 Fuel Saver 2 
Active 
Sec This is the amount of time fuel saver 2 was activated.
389 Fuel Saver 1a 
Active
Sec This is the amount of time fuel saver 1a was activated.
EVENT # DESCRIPTION UNITS COUNT CONDITIONS
GE Proprietary and Confidential Information 141
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
becomes active. Each Counter presents the counts in Lifetime, Last Month, This Month, Last Quarter, This Quarter,
and This Day as detailed in section 3.. The Inverter 1 Event Counters are not shown since they follow the same pat-
tern as the related Event List.
3.4. INVERTER 2 HISTORICAL EVENT COUNTER
The Inverter 2 counters are in the Range 1200 through 1299 and correspond to the Inverter 2 Event number + 1000
listed in section . The units for all the Event counters are number of occurrences, adding a count each time an Event
becomes active. Each Counter presents the counts in Lifetime, Last Month, This Month, Last Quarter, This Quarter,
and This Day as detailed in section 3.. The Inverter 2 Event Counters are not shown since they follow the same pat-
tern as the related Event List. 
3.5. DSC AND TCI HISTORICAL EVENT COUNTER
The DSC and TCI Event Counters are in the range 1600 - 1699 and correspond to the DSC or TCI Event number + 1000
listed in section Table 6.. The units for all the Event Counters are number of occurrences, adding a count each time
an Event becomes active. Each Counter presents the counts in Lifetime, Last Month, This Month, Last Quarter, This
Quarter, and This Day as detailed in section 3.. The DSC or TCI Event Counters are not shown since they follow the
same pattern as the related Event List.
142 GE Proprietary and Confidential Information
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
4. HISTORICAL PROFILES
A Histogram for each parameter of the Historical Statistical Data Profiles is created with seventeen ranges,some-
times called “buckets.” A count in units is added to the range or bucket when the parameter is within one of the
ranges. 
Table 10 outlines the Historical Statistical Data Profiles portion of the Control System.
4.1. MINE HISTORICAL STATISTICAL DATA PROFILES (401 - 441)
Table 10. Mine Historical Statistical Data Profiles
PROFILE 
NUMBER
DESCRIPTION UNITS PROFILE DESCRIPTIONS
401 Alt HPNET In Seconds Histogram of alternator input horsepower. The count 
starts whenever the truck is in the propel state. It is a 
calculated value. Ranges indicate horsepower is 
greater than (>) and less than (<) or equal to (=) values 
shown. Time is shown in seconds for each range. 
Net Input Horsepower Ranges 
<= 650 
> 650 to <= 850 
> 850 to <= 1050 
> 1050 to <= 1250 
> 1250 to <= 1450 
> 1450 to <= 1650 
> 1650 to <= 1850 
> 1850 to <= 2050 
> 2050 to <= 2250 
> 2250 to <= 2450 
> 2450 to <= 2650 
> 2650 to <= 2850 
> 2850 to <= 3050 
> 3050 to <= 3250 
> 3250 to <= 3450 
> 3450 to <= 3650 
> 3650 
GE Proprietary and Confidential Information 143
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
402 Control Battery Seconds Histogram of Control Battery Voltage. The count starts 
whenever CPR is on. Ranges indicate battery voltage is 
greater than (>) and less than (<) or equal to (=) values 
shown. Time is shown in seconds for each range.
Battery Voltage Ranges 
<= 12 
> 12 to <= 14 
> 14 to <= 16 
> 16 to <= 18 
> 18 to <= 20 
> 20 to <= 22 
> 22 to <= 24 
> 24 to <= 26 
> 26 to <= 27 
> 27 to <= 28 
> 28 to <= 29 
> 29 to <= 30 
> 30 to <= 32 
> 32 to <= 34 
> 34 to <= 36 
> 36 to <= 38 
> 38 
PROFILE 
NUMBER
DESCRIPTION UNITS PROFILE DESCRIPTIONS
144 GE Proprietary and Confidential Information
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
403 Crank Battery Seconds Histogram of crank battery voltage. Ranges indicate 
crank battery voltage is greater than (>) and less than 
(<) or equal to (=) values as shown. Time is shown in sec-
onds for each range.
Battery Voltage Ranges.
<= 2
> 2 to <= 4
> 4 to <= 6
> 6 to <= 8
> 8 to <= 10
> 10 to <= 12
> 12 to <= 14
> 14 to <= 16.5
> 16.5 to <= 18
> 18 to <= 20
> 20 to <= 22
> 22 to <= 24
> 24 to <= 26
> 26 to <= 28
> 28 to <= 30
> 30 to <= 32
> 32
PROFILE 
NUMBER
DESCRIPTION UNITS PROFILE DESCRIPTIONS
GE Proprietary and Confidential Information 145
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
405 Retard Mode HP Seconds Histogram of link horsepower. The count starts when-
ever the truck is in the retard mode. It is a calculated 
value. Ranges indicate Retard 
horsepower is greater than (>), and less than (<) or 
equal to (=) values shown. Time is shown in 
seconds for each range. 
Retard Horsepower Ranges 
<= 800 
> 800 to <= 1200 
> 1200 to <= 1600 
> 1600 to <= 2000 
> 2000 to <= 2400 
> 2400 to <= 2800 
> 2800 to <= 3200 
> 3200 to <= 3600 
> 3600 to <= 4000
> 4000 to <= 4200 
> 4200 to <= 4400 
> 4400 to <= 4600 
> 4600 to <= 4800 
> 4800 to <= 5000 
> 5000 to <= 5200 
>5200 to <= 5400
> 5400
PROFILE 
NUMBER
DESCRIPTION UNITS PROFILE DESCRIPTIONS
146 GE Proprietary and Confidential Information
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
407 Truck Spd MPH Seconds Histogram of truck speed in MPH. The count starts 
whenever CPR is on. Ranges indicate truck MPH is 
greater than (>), and less than (<) or equal to (=) values 
shown. Time is shown in seconds for each range. 
Truck Speed Ranges (MPH) 
<= 2.0 
> 2.0 to <= 4.0 
> 4.0 to <= 5.0 
> 5.0 to <= 6.0 
> 6.0 to <= 8.0 
> 8.0 to <= 10.0 
> 10.0 to <= 12.0 
> 12.0 to <= 17.0 
> 17.0 to <= 22.0 
> 22.0 to <= 27.0 
> 27.0 to <= 32.0 
> 32.0 to <= 37.0 
> 37.0 to <= 39.0 
> 39.0 to <= 41.0 
> 41.0 to <= 43.0 
> 43.0 to <= 45.0 
> 45.0 
PROFILE 
NUMBER
DESCRIPTION UNITS PROFILE DESCRIPTIONS
GE Proprietary and Confidential Information 147
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
408 Truck Spd KPH Seconds Histogram of truck speed in KPH. The count starts 
whenever CPR is on. Ranges indicate truck KPH is 
greater than (>), and less than (<) or equal to (=) values 
shown. Time is shown in seconds for each range. 
Truck Speed Ranges (KPH) 
<= 3.0 
> 3.0 to <= 6.4 
> 6.4 to <= 8.0 
> 8.0 to <= 9.6 
> 9.6 to <= 12.8 
> 12.8 to <= 16.0 
> 16.0 to <= 19.0 
> 19.0 to <= 27.0 
> 27.0 to <= 35.0 
> 35.0 to <= 43.0 
> 43.0 to <= 51.0 
> 51.0 to <= 60.0 
> 60.0 to <= 63.0 
> 63.0 to <= 66.0 
> 66.0 to <= 69.0 
> 69.0 to <= 72.0 
> 72.0 
PROFILE 
NUMBER
DESCRIPTION UNITS PROFILE DESCRIPTIONS
148 GE Proprietary and Confidential Information
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
409 Motor 1 RPM Seconds Histogram of Traction Motor 1 electric motor RPM in all 
modes of operation. The count starts 
whenever CPR is on. Ranges indicate motor RPM is 
greater than (>), and less than (<) or equal to (=) values 
shown. Time is shown in seconds for each range. 
Motor 1 RPM Ranges 
< 70 
> 70 to <= 287 
> 287 to <= 452 
> 452 to <= 567 
> 567 to <= 735 
> 735 to <= 900 
> 900 to <= 1050 
> 1050 to <= 1200 
> 1200 to <= 1500 
> 1500 to <= 1800 
> 1800 to <= 2100 
> 2100 to <= 2400 
> 2400 to <= 2700 
> 2700 to <= 3000 
> 3000 to <= 3150 
> 3150 to <= 3300 
> 3300 
PROFILE 
NUMBER
DESCRIPTION UNITS PROFILE DESCRIPTIONS
GE Proprietary and Confidential Information 149
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
410 Motor 2 RPM Seconds Histogram of Traction Motor 2 electric motor RPM in all 
modes of operation. The count starts 
whenever CPR is on. Ranges indicate motor RPM is 
greater than (>), and less than (<) or equal to (=) values 
shown. Time is shown in seconds for each range. 
Motor 2 RPM Ranges 
< 70 
> 70 to <= 287 
> 287 to <= 452 
> 452 to <= 567 
> 567 to <= 735 
> 735 to <= 900 
> 900 to <= 1050 
> 1050 to <= 1200 
> 1200 to <= 1500 
> 1500 to <= 1800 
> 1800 to <= 2100 
> 2100 to <= 2400 
> 2400 to <= 2700 
> 2700 to <= 3000 
> 3000 to <= 3150 
> 3150 to <= 3300 
> 3300 
PROFILE 
NUMBER
DESCRIPTION UNITS PROFILE DESCRIPTIONS
150 GE Proprietary and Confidential Information
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
411 Event 636 SUB IDs Counts Histogram provides the number of times each SUB ID 
(specific fault category) occurs for Auxiliary Inverter 
fault.
SUB ID ranges
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
PROFILE 
NUMBER
DESCRIPTION UNITS PROFILE DESCRIPTIONS
GE Proprietary and Confidential Information 151
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
412 Service Brakes Counts Histogram of the number of times the Service Brake is 
applied in truck speed (MPH) ranges. Ranges indicate 
truck speed (MPH) is greater than (>), and less than (<) 
or equal to (=) values shown. Time is shown in seconds 
for each range. 
Service Brake Application at Speed Ranges 
<= 2.0 
> 2.0 to <= 4.0 
> 5.0 to <= 6.0 
> 6.0 to <= 8.0 
> 8.0 to <= 10.0 
> 10.0 to <= 12.0 
> 12.0 to <= 17.0 
> 17.0 to <= 22.0 
> 22.0 to <= 27.0 
> 27.0 to <= 32.0 
> 32.0 to <= 37.0 
> 37.0 to <= 39.0 
> 39.0 to <= 41.0 
> 41.0 to <= 43.0 
> 43.0 to <= 45.0 
> 45.0 
PROFILE 
NUMBER
DESCRIPTION UNITS PROFILE DESCRIPTIONS
152 GE Proprietary and Confidential Information
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
413 Ambient Tempera-
ture 
Seconds Histogram of Ambient temperature (in °C). The count 
starts whenever CPR is on. Ranges indicate ambient 
temperature is greater than (>), and less than (<) or 
equal to (=) values shown. Time is shown in seconds for 
each range. 
Ambient Temperature Ranges in °C<= -40 
> -40 to <= -30 
> -30 to <= -25 
> -25 to <=-20 
> -20 to <= -15 
> -15 to <= -10 
> -10 to <= -5 
> -5 to <= 0 
> 0 to <= 5 
> 5 to <= 10 
> 10 to <= 15 
> 15 to <= 20 
> 20 to <= 25 
> 25 to <= 30 
> 30 to <= 35 
> 35 to <= 40 
> 40 
PROFILE 
NUMBER
DESCRIPTION UNITS PROFILE DESCRIPTIONS
GE Proprietary and Confidential Information 153
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
414 High Ambient 
Temperature 
Seconds Histogram of high Ambient temperature (in °C). The 
count starts whenever CPR is on. Ranges 
indicate ambient temperature is greater than (>), and 
less than (<) or equal to (=) values shown. Time is shown 
in seconds for each range. 
High Ambient Temperature Ranges in °C 
<= 35.0 
> 35.0 to <= 37.0 
> 37.0 to <= 39.0 
> 39.0 to <= 41.0 
> 41.0 to <= 43.0 
> 43.0 to <= 45.0 
> 45.0 to <= 47.0 
> 47.0 to <= 49.0 
> 49.0 to <= 51.0 
> 51.0 to <= 53.0 
> 59.0 to <= 61.0 
> 61.0 to <= 63.0 
> 63.0 to <= 65.0 
> 65 
PROFILE 
NUMBER
DESCRIPTION UNITS PROFILE DESCRIPTIONS
154 GE Proprietary and Confidential Information
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
415 Engine Speed Seconds Histogram of engine speed in RPM for all modes of 
operation. The clock starts whenever CPR is on. The 
count starts whenever CPR is on. Ranges 
indicate engine RPM is greater than (>), and less than 
(<) or equal to (=) values shown. Time is shown in sec-
onds for each range. 
Engine RPM Ranges 
<= 750 
> 750 to <= 850 
> 850 to <= 950 
> 950 to <= 1050 
> 1050 to <= 1150 
> 1150 to <= 1250 
> 1250 to <= 1350 
> 1350 to <= 1450 
> 1450 to <= 1550 
> 1550 to <= 1650 
> 1650 to <= 1750 
> 1750 to <= 1850 
> 1850 to <= 1950 
> 1950 to <= 2050 
> 2050 to <= 2150 
> 2150 to <= 2250 
> 2250 
PROFILE 
NUMBER
DESCRIPTION UNITS PROFILE DESCRIPTIONS
GE Proprietary and Confidential Information 155
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
416 Engine Crank Com-
mand 
Seconds Histogram of the time the engine cranking 
commands are active for each attempted engine crank. 
The count starts whenever the engine crank command 
is active. Ranges indicate engine crank time is greater 
than (>), and less than (<) or equal to (=) values shown. 
Occurrence is shown in seconds for each range. 
Engine Crank Active Time Interval 
<= 1 
> 2 to <= 4 
> 4 to <= 6 
> 6 to <= 8 
> 8 to <= 10 
> 10 to <= 15 
> 15 to <= 20 
> 20 to <= 25 
> 25 to <= 30 
> 30 to <= 40 
> 40 to <= 50 
> 50 to <= 60 
> 60 to <= 70 
> 70 to <= 80 
> 80 to <= 90 
> 90 to <= 100 
> 100 
PROFILE 
NUMBER
DESCRIPTION UNITS PROFILE DESCRIPTIONS
156 GE Proprietary and Confidential Information
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
417 Engine Cranking 
Interval 
Minutes Histogram of the time between engine cranking 
attempts in minutes. The count starts after the engine 
crank command is active and before the next engine 
crank command. Ranges indicate time between engine 
crank attempts is greater than (>), and less than (<) or 
equal to (=) values shown. Occurrence is shown in min-
utes for each range. 
Time Between Engine Crank Attempts
<= 0.5 
> 0.5 to <= 1
> 1 to <= 2 
> 2 to <= 3 
> 3 to <= 4 
> 4 to <= 5 
> 5 to <= 6 
> 6 to <= 7 
> 7 to <= 8 
> 8 to <= 9 
> 9 to <= 10 
> 10 to <= 11 
> 11 to <= 12 
> 12 to <= 13 
> 13 to <= 14 
> 14 to <= 15 
> 15
PROFILE 
NUMBER
DESCRIPTION UNITS PROFILE DESCRIPTIONS
GE Proprietary and Confidential Information 157
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
418 Accel Pedal % Seconds Histogram of the Accel Pedal percentage applied during 
Propel mode. Ranges of Accel Pedal 
percent applied indicate time greater than (>), and less 
than (<) or equal to (=) values shown. 
Occurrence is shown in seconds for each range. 
Ranges Accel Pedal Applied % 
<= 6% 
> 6% to <= 12% 
> 12% to <= 18% 
> 18% to <= 24% 
> 24% to <= 30% 
> 30% to <= 36% 
> 36% to <= 42% 
> 42% to <= 48% 
> 48% to <= 54% 
> 54% to <= 60% 
> 60% to <= 66% 
> 66% to <= 72% 
> 72% to <= 78% 
> 78% to <= 84% 
> 84% to <= 90% 
> 90% to <= 96% 
> 96% 
PROFILE 
NUMBER
DESCRIPTION UNITS PROFILE DESCRIPTIONS
158 GE Proprietary and Confidential Information
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
419 RSC % Seconds Histogram of the RSC setting in retard mode. Ranges of 
RSC setting mapped in MPH indicate time greater than 
(>) and less than (<) or equal to (=) values as shown.
Occurrence is shown in seconds for each range.
Ranges Accel Pedal Applied % 
<= 7%
> 7% to <= 9%
> 9% to <= 11% 
> 11% to <= 13% 
> 13% to <= 15% 
> 15% to <= 17% 
> 17% to <= 19% 
> 19% to <= 21% 
> 21% to <= 23% 
> 23% to <= 25% 
> 25% to <= 27% 
> 27% to <= 29% 
> 29% to <= 31% 
> 31% to <= 33% 
> 33% to <= 35% 
> 35% to <= 37% 
> 37% 
PROFILE 
NUMBER
DESCRIPTION UNITS PROFILE DESCRIPTIONS
GE Proprietary and Confidential Information 159
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
420 Pot Reference Seconds Histogram of the pot reference voltage value. Ranges 
indicate pot reference voltage is greater than (>), and 
less than (<) or equal to (=) values shown. Time is shown 
in seconds for each range.
Pot Reference Voltage Ranges
<= 5
> 5 to <= 8
> 8 to <= 8.5
> 8.5 to <= 9
> 9 to <= 9.5
> 9.5 to <= 10
> 10 to <= 10.5
> 10.5 to <= 11 
> 11 to <= 11.5
> 11.5 to <= 12
> 12 to <= 12.5
> 12.5 to <= 13
> 13 to <= 13.5
> 13.5 to <= 14 
> 14 to <= 14.5
> 14.5 to <= 15
> 15
PROFILE 
NUMBER
DESCRIPTION UNITS PROFILE DESCRIPTIONS
160 GE Proprietary and Confidential Information
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
421 Speed Unloaded Seconds Histogram of the truck speed in MPH while the truck is 
unloaded. Ranges indicate speed is greater than (>), 
and less than (<) or equal to (=) values shown. Time is 
shown in seconds for each range. 
Unloaded Truck Speed MPH Ranges 
<= 2.5 
> 2.5 to <= 5
> 5 to <= 7.5
> 7.5 to <= 10
> 10 to <= 12.5
> 12.5 to <= 15
> 15 to <= 17.5
> 17.5 to <= 20
> 20 to <= 22.5
> 22.5 to <= 25
> 25 to <= 27.5
> 27.5 to <= 30
> 30 to <= 32.5
> 32.5 to <= 35
> 35 to <= 37.5
> 37.5 to <= 40
> 40
PROFILE 
NUMBER
DESCRIPTION UNITS PROFILE DESCRIPTIONS
GE Proprietary and Confidential Information 161
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
422 Truck Speed Loaded Seconds Histogram of the truck speed in MPH while the truck is 
loaded. Ranges indicate speed is greater than (>), and 
less than (<) or equal to (=) values shown. Time is shown 
in seconds for each range.
Loaded Truck Speed MPH Ranges
<= 2.5
> 2.5 to <= 5
> 5 to <= 7.5
> 7.5 to <= 10
> 10 to <= 12.5
> 12.5 to <= 15
> 15 to <= 17.5
> 17.5 to <= 20
> 20 to <= 22.5
> 22.5 to <= 25
> 25 to <= 27.5
> 27.5 to <= 30
> 30 to <= 32.5
> 32.5 to <= 35
> 35 to <= 37.5
> 37.5 to <= 40
> 40 
PROFILE 
NUMBER
DESCRIPTION UNITS PROFILE DESCRIPTIONS
162 GE Proprietary and Confidential Information
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
423 Hydraulic Brake 
Fluid Temperature
Seconds Histogram of Hydraulic brake fluid temperature. Range 
indicates temperature (in Deg Celsius) is greater than 
(>) and less than(<) or equal to (=) values shown. Time is 
shown in seconds for each range.
Brake Fluid Temperature Ranges
> 20
> 20 to <= 40
> 40 to <= 50
> 50 to <= 60
> 60 to <= 70
> 70 to <= 80
> 80 to <= 90
> 90 to <= 95
> 95 to <= 100
> 100 to <= 105
> 105 to <= 110
> 110 to <= 115
> 115 to <= 120
> 120 to <= 125
> 125 to <= 130
> 130 to <= 140
> 140
PROFILE 
NUMBER
DESCRIPTION UNITS PROFILE DESCRIPTIONS
GE Proprietary and Confidential Information163
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
424 Baro Pressure Seconds Histogram of the Barometric Pressure. The count is 
active whenever CPR is ON. Range indicates 
barometric pressure (in PSI) is greater than (>), and less 
than (<) or equal to (=) values shown. Time is shown in 
seconds for each range.
Barometric Pressure in PSI Range 
< 7.5 
> 7.5 to <= 8.0 
> 8.0 to <= 8.5 
> 8.5 to <= 9.0 
> 9.0 to <= 9.5 
> 9.5 to <= 10.0 
> 10.0 to <= 10.5 
> 10.5 to <= 11.0 
> 11.0 to <= 11.5 
> 11.5 to <= 12.0 
> 12.0 to <= 12.5 
> 12.5 to <= 13.0 
> 13.0 to <= 13.5 
> 13.5 to <= 14.0 
> 14.0 to <= 14.5 
> 14.5 to <= 15.0 
> 15.0 
PROFILE 
NUMBER
DESCRIPTION UNITS PROFILE DESCRIPTIONS
164 GE Proprietary and Confidential Information
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
425 Loadbox HP Seconds Histogram of Loadbox Horsepower. The count is active 
whenever Loadbox mode is active. Range indicates 
horsepower is greater than (>), and less than (<) or 
equal to (=) values shown. Time is shown in seconds for 
each range. 
Ranges of Horsepower 
<= 100 
> 100 to <= 650 
> 650 to <= 850 
>850 to <= 1050 
> 1050 to <= 1250 
> 1250 to <= 1450 
> 1450 to <= 1650 
> 1650 to <= 1850 
> 1850 to <= 2050 
> 2050 to <= 2250 
> 2250 to <= 2450 
> 2450 to <= 2650 
> 2650 to <= 2850 
> 2850 to <= 3250 
> 3250 to <= 3450 
> 3450 to <= 3650 
> 3650 
PROFILE 
NUMBER
DESCRIPTION UNITS PROFILE DESCRIPTIONS
GE Proprietary and Confidential Information 165
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
426 Motor 1 Hi RPM Seconds Histogram of the Motorized Wheel Motor 1 electric 
motor high RPM. Range indicates RPM is greater than 
(>), and less than (<) or equal to (=) values shown. Time 
is shown in seconds for each range. 
Motor 1 High RPM Ranges 
<= 3300 
> 3400 to <= 3500 
> 3500 to <= 3600 
> 3600 to <= 3700 
> 3700 to <= 3800 
> 3800 to <= 3900 
> 3900 to <= 4000 
> 4000 to <= 4100 
> 4100 to <= 4200 
> 4200 to <= 4390 
> 4300 to <= 4400 
> 4400 to <= 4500 
> 4500 to <= 4600 
> 4600 to <= 4700 
>4700 to <= 4800 
> 4800 
PROFILE 
NUMBER
DESCRIPTION UNITS PROFILE DESCRIPTIONS
166 GE Proprietary and Confidential Information
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
427 Motor 2 Hi RPM Seconds Histogram of the Motorized Wheel Motor 2 electric 
motor high RPM. Range indicates RPM is greater than 
(>), and less than (<) or equal to (=) values shown. Time 
is shown in seconds for each range. 
Motor 2 High RPM Ranges 
<= 3300 
> 3300 to <= 3400 
> 3400 to <= 3500 
> 3500 to <= 3600 
> 3600 to <= 3700 
> 3700 to <= 3800 
> 3800 to <= 3900 
> 3900 to <= 4000 
> 4000 to <= 4100 
> 4100 to <= 4200 
> 4200 to <= 4390 
> 4300 to <= 4400 
> 4400 to <= 4500 
> 4800 
PROFILE 
NUMBER
DESCRIPTION UNITS PROFILE DESCRIPTIONS
GE Proprietary and Confidential Information 167
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
428 Cruise MPH Seconds Histogram of Cruise speed in MPH. Range indicates 
Cruise speed is greater than (>) and less than (<) or 
equal to (=) values shown. Time is shown in seconds for 
each range.
Cruise Speed in MPH Ranges.
<= 2
> 2 to <= 4
> 4 to <= 5
> 5 to <= 6
> 6 to <= 8
> 8 to <= 10
> 10 to <= 12
> 12 to <= 17
> 17 to <= 22
> 22 to <= 27
> 27 to <= 32
> 32 to <= 37
> 37 to <= 41
> 41 to <= 43
> 43 to <= 45
> 45
PROFILE 
NUMBER
DESCRIPTION UNITS PROFILE DESCRIPTIONS
168 GE Proprietary and Confidential Information
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
430 IM Ambient Seconds Histogram of Ambient Temperatures (in °C). Range indi-
cates temperature is greater than (<), and less than (>), 
or equal to (=) values shown. Time is shown in seconds 
for each range. 
Ambient Temperatures Ranges
<= 35.0
> 35.0 to <= 37.0
> 37.0 to <= 39.0
> 39.0 to <= 41.0
> 41.0 to <= 43.0
> 43.0 to <= 45.0
> 45.0 to <= 47.0
> 37.0 to <= 49.0
> 49.0 to <= 51.0
> 51.0 to <= 53.0
> 53.0 to <= 55.0
> 55.0 to <= 57.0
> 57.0 to <= 59.0
> 59.0 to <= 61.0
> 61.0 to <= 63.0
> 63.0 to <= 65.0
> 65.0
PROFILE 
NUMBER
DESCRIPTION UNITS PROFILE DESCRIPTIONS
GE Proprietary and Confidential Information 169
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
431 Brake Pressure Seconds Histogram of Brake Pressure shown in psi. Range indi-
cates pressure is greater than (>), and less than (<), or 
equal to the values shown. Time is shown in seconds for 
each range.
Brake Pressure Ranges
<= 150
> 150 to <= 300
> 300 to <= 450
> 450 to <= 600
> 600 to <= 750
> 750 to <= 900
> 900 to <= 1050
> 1050 to <= 1200
> 1200 to <= 1350
> 1350 to <= 1500
> 1500 to <= 1750
> 1750 to <= 1900
> 1900 to <= 2050
> 2050 to <= 2100
> 2100 to <= 2250
> 2250 to <= 2500
> 2500
PROFILE 
NUMBER
DESCRIPTION UNITS PROFILE DESCRIPTIONS
170 GE Proprietary and Confidential Information
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
432 Incline Percentage Seconds Histogram of the Incline Percentage. Range indicates 
pressure is greater than (>), and less than (<), or equal 
to the values shown. Time is shown in seconds for each 
range.
Incline Percentage Range
<= 1.0
> 1.0 to <= 2.0
> 2.0 to <= 3.0
> 3.0 to <= 4.0
> 4.0 to <= 5.0
> 5.0 to <= 6.0
> 6.0 to <= 7.0
> 7.0 to <=8.0
> 8.0 to <= 9.0
> 9.0 to <= 10.0
> 10.0 to <= 11.0
> 11.0 to <= 12.0
> 12.0 to <= 13.0
> 13.0 to <= 14.0
> 14.0 to <= 15.0
> 15.0 to <= 16.0
> 16
PROFILE 
NUMBER
DESCRIPTION UNITS PROFILE DESCRIPTIONS
GE Proprietary and Confidential Information 171
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
433 Incline Percentage Seconds Histogram of the Incline Percentage. Range indicates 
pressure is greater than (>), and less than (<), or equal 
to the values shown. Time is shown in seconds for each 
range.
Incline Percentage Range
<= -15.0
> -15.0 to <= -14.0
> -14.0 to <= -13.0
> -13.0 to <= -12.0
> -12.0 to <= -11.0
> -11.0 to <= -10.0
> -10.0 to <= -9.0
> -9.0 to <= -8.0
> -8.0 to <= -7.0
> -7.0 to <= -6.0
> -6.0 to <= -5.0
> -5.0 to <= -4.0
> -4.0 to <= -3.0
> -3.0 to <= -2.0
> -2.0 to <= -1.0
> -1.0 to <= 0.0
> 0.0
PROFILE 
NUMBER
DESCRIPTION UNITS PROFILE DESCRIPTIONS
172 GE Proprietary and Confidential Information
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
434 Grid Blower Amps 
Delta
Seconds Histogram shows the delta of Grid blower currents 
(Amps) between two blower motors wherever used. 
Range indicates delta current (in amps) is greater than 
(>) and less than (<) or equal to (=) values shown. Time is 
in seconds for each range.
Grid Blower Delta Range
<= 0
> 0 to <= 2
> 2 to <= 4
> 4 to <= 6
> 6 to <= 8
> 8 to <= 10
> 10 to <= 12
> 12 to <= 14
> 14 to <= 16
> 16 to <= 18
> 18 to <= 20
> 20 to <= 22
> 22 to <= 26
> 26 to <= 28
> 28 to <= 30
> 30
PROFILE 
NUMBER
DESCRIPTION UNITS PROFILE DESCRIPTIONS
GE Proprietary and Confidential Information 173
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
435 CBI1 Speed Seconds This is a histogram of CBI1. The sample time is every 1.0 
seconds. The clock starts when the control power is on. 
All Values are in RPM. The histogram breaks the Speed 
spectrum into 17 buckets, and displays the time that 
was spent in each bucket. The buckets are defined as 
follows:
Speed (RPM)
<= 50
> 50 to <= 500
> 500 to <= 750
> 750 to <= 1000
> 1000 to <= 1250
> 1250 to <= 1500
> 1500 to <= 1750
> 1750 to <= 2000
> 2000 to <= 2250
> 2250 to <= 2500
> 2500 to <= 2750
> 2750 to <= 3000
> 3000 to <= 3250
> 3250 to <= 3500
> 3500 to <= 3750
> 3750 to <= 4000
> 4000
PROFILE 
NUMBER
DESCRIPTIONUNITS PROFILE DESCRIPTIONS
174 GE Proprietary and Confidential Information
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
436 CBI2 Speed Seconds This is a histogram of CBI2. The sample time is every 1.0 
seconds. The clock starts when the control power is on. 
All Values are in RPM. The histogram breaks the Speed 
spectrum into 17 buckets, and displays the time that 
was spent in each bucket. The buckets are defined as 
follows:
Speed (RPM)
<= 50
> 50 to <= 500
> 500 to <= 750
> 750 to <= 1000
> 1000 to <= 1250
> 1250 to <= 1500
> 1500 to <= 1750
> 1750 to <= 2000
> 2000 to <= 2250
> 2250 to <= 2500
> 2500 to <= 2750
> 2750 to <= 3000
> 3000 to <= 3250
> 3250 to <= 3500
> 3500 to <= 3750
> 3750 to <= 4000
> 4000
PROFILE 
NUMBER
DESCRIPTION UNITS PROFILE DESCRIPTIONS
GE Proprietary and Confidential Information 175
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
437 GBI1 Speed Seconds This is a histogram of GBI1. The sample time is every 1.0 
seconds. The clock starts when the control power is on. 
All Values are in RPM. The histogram breaks the Speed 
spectrum into 17 buckets, and displays the time that 
was spent in each bucket. The buckets are defined as 
follows:
Speed (RPM)
<= 50
> 50 to <= 500
> 500 to <= 750
> 750 to <= 1000
> 1000 to <= 1250
> 1250 to <= 1500
> 1500 to <= 1750
> 1750 to <= 2000
> 2000 to <= 2250
> 2250 to <= 2500
> 2500 to <= 2750
> 2750 to <= 3000
> 3000 to <= 3250
> 3250 to <= 3500
> 3500 to <= 3750
> 3750 to <= 4000
> 4000
PROFILE 
NUMBER
DESCRIPTION UNITS PROFILE DESCRIPTIONS
176 GE Proprietary and Confidential Information
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
438 GBI2 Speed Seconds This is a histogram of GBI2. The sample time is every 1.0 
seconds. The clock starts when the control power is on. 
All Values are in RPM. The histogram breaks the Speed 
spectrum into 17 buckets, and displays the time that 
was spent in each bucket. The buckets are defined as 
follows:
Speed (RPM)
<= 50
> 50 to <= 500
> 500 to <= 750
> 750 to <= 1000
> 1000 to <= 1250
> 1250 to <= 1500
> 1500 to <= 1750
> 1750 to <= 2000
> 2000 to <= 2250
> 2250 to <= 2500
> 2500 to <= 2750
> 2750 to <= 3000
> 3000 to <= 3250
> 3250 to <= 3500
> 3500 to <= 3750
> 3750 to <= 4000
> 4000
PROFILE 
NUMBER
DESCRIPTION UNITS PROFILE DESCRIPTIONS
GE Proprietary and Confidential Information 177
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
439 Secondary Link Volts Seconds This is a histogram of secondary link volts. The sample 
time is every 1.0 seconds. The clock starts when the 
control power is on. All Values are in Volts. The histo-
gram breaks the Voltage spectrum into 17 buckets, and 
displays the time that was spent in each bucket. The 
buckets are defined as follows:
Volts
<= 20
> 20 to <= 500
> 480 to <= 500
> 500 to <= 520
> 520 to <= 540
> 540 to <= 560
> 560 to <= 580
> 580 to <= 600
> 600 to <= 620
> 620 to <= 640
> 640 to <= 660
> 660 to <= 680
> 680 to <= 700
> 700 to <= 720
> 720 to <= 740
> 740 to <= 760
> 760
PROFILE 
NUMBER
DESCRIPTION UNITS PROFILE DESCRIPTIONS
178 GE Proprietary and Confidential Information
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
440 Secondary Link HP Seconds This is a histogram of secondary link HP. The sample 
time is every 1.0 seconds. The clock starts when the 
control power is on. All Values are in HP. The histogram 
breaks the HP spectrum into 17 buckets, and displays 
the time that was spent in each bucket. The buckets are 
defined as follows:
HP
<= 2
> 2 to <= 20
> 20 to <= 40
> 40 to <= 60
> 60 to <= 80
> 80 to <= 100
> 100 to <= 120
> 120 to <= 140
> 140 to <= 160
> 160 to <= 180
> 180 to <= 200
> 200 to <= 220
> 220 to <= 240
> 240 to <= 260
> 260 to <= 280
> 280 to <= 300
> 300
PROFILE 
NUMBER
DESCRIPTION UNITS PROFILE DESCRIPTIONS
GE Proprietary and Confidential Information 179
GEK-91756C
GE OHV AC Control System Events, Historical Counters and Profiles Information
PROFILE 
NUMBER
DESCRIPTION UNITS PROFILE DESCRIPTIONS
441 Fuel saver disabled 
Time of Day
Seconds Histogram shows particular time of the day when Fuel 
saver has been disabled.
Time of the Day (Hours) Range
<= 2 
> 2 to <= 4
> 4 to <= 6
> 6 to <= 8
> 8 to <= 10
> 10 to <= 12
> 12 to <= 14
> 14 to <= 16
> 16 to <= 18
> 18 to <= 20
> 20 to <= 22
> 22 to <= 24
180 GE Proprietary and Confidential Information
	1. GENERAL INFORMATION
	1.1. INTRODUCTION
	2. EVENT LISTS
	2.1. DSC/PSC EVENT LIST (000 - 099)
	2.1.1. RESTRICTIONS
	2.1.2. DSC/PSC Event List (000 - 099)
	2.2. INVERTER EVENT LIST (Xx00 - Xx99)
	2.2.1. Restrictions
	2.2.2. Numbering Scheme and Inverter Number Allocations
	2.2.3. Inverter Event List (Xx00 - Xx99)
	2.3. ADDITIONAL SYSTEM EVENTS/DSC EVENT LIST (500 - 599)
	2.3.1. Event Restriction
	2.3.2. Additional Events/DSC Event List (500 - 599)
	2.4. DSC/TCI EVENT LIST (600 - 699)
	2.4.1. Event Restriction
	2.4.2. DSC/TCI Event List (600 - 699)
	3. HISTORICAL DATA COUNTERS
	3.1. MINE HISTORICAL COUNTERS (301 - 399)
	3.2. DSC AND PSC HISTORICAL EVENT COUNTER
	3.3. INVERTER 1 HISTORICAL EVENT COUNTER
	3.4. INVERTER 2 HISTORICAL EVENT COUNTER
	3.5. DSC AND TCI HISTORICAL EVENT COUNTER
	4. HISTORICAL PROFILES
	4.1. MINE HISTORICAL STATISTICAL DATA PROFILES (401 - 441)