GE IC3645SR7A353T4 Installation And Operation Manual page 29

INSTALLATION AND OPERATION
SX TRANSISTOR CONTROL
TRACTION DESCRIPTION OF STATUS
STATUS CODE
No tachometer signal is detected.
-81
MEMORY RECALL
YES
SYMPTOM
Vehicle's speed will limited to about
Circuits valid
half of the normal speed.
for
Traction
POSSIBLE CAUSE
Controller
Defective tachometer.
 Replace tachometer unit
Defective wiring between tachometer
and the control.
 Check and repair wiring as required.
Stalled motor

Cycle key switch off then on.
TRACTION
DESCRIPTION OF STATUS
STATUS CODE
If the armature current greater than 280 amps
-82
for longer than 3.5 seconds in control mode, the
armature motoring current will be turned off.
MEMORY RECALL
NO
SYMPTOM
The Control will not operate, and can only be
Circuits valid
reset by cycling the key switch.
for
POSSIBLE CAUSE:
Traction

Controller



instructions
CORRECTIVE ACTIONS
CORRECTIVE ACTIONS
Continued operation of vehicle in
high motor current condition
Operating control at stall motor
current for more than 3.5 seconds.
Defective motor tachometer
Function 16 is incorrectly adjusted
for control % on time.
- Adjust function per OEM
CAUSE OF STATUS INDICATION
This status code will be displayed when no
tachometer signal is detected.
TROUBLE-SHOOTING DIAGRAM
+72V
+72V +72V
L
P1
P17 P2
P21
P12 P3 P22
72V
NEG
CAUSE OF STATUS INDICATION
This status code will be displayed when the armature current
exceeds 280 amps for 3.5 sec and the accelerator pedal is calling
for maximum performance in the control mode.
TROUBLE-SHOOTING DIAGRAM
+72V
+72V +72V
L
P1
P17 P2
P21
P12 P3
P22
72V
NEG
Page 29
+72V
+72V
+72V +72V
P6
P4 P5 P10
P9 P7 P8
P15 P14 P16
P23
P20
RS232
ACC POT
TACHOMETER
+72V
+72V
+72V +72V
P6
P4 P5 P10
P9 P7 P8
P15 P14 P16
P23 P20
RS232
ACC POT
TACHOMETER
Updated Sept 2019