GE IC3645SR7T405T5 Installation And Operation Manual page 31

DIAGNOSTIC STATUS CODES
IT TRANSISTOR CONTROL
TRACTION
DESCRIPTION OF STATUS
STATUS CODE
The line driver input (P2-17) is less
-64
than 12% of battery volts
MEMORY RECALL
NO
SYMPTOM
Control will not operate.
Circuits valid
for
POSSIBLE CAUSE
Traction
Open wire connection to Pin 17 on
Controller
control
Shorted line driver transistor
Open line contactor coil
Open connection between line
contactor coil and battery positive.
Defective control.
TRACTION
STATUS CODE
The line coil current is too high
-65
during the run mode
MEMORY RECALL
CORRECTIVE ACTIONS
YES
SYMPTOM
Control will not operate.
Circuits valid
for
POSSIBLE CAUSE
Traction
Controller
Shorted line contactor coil
Short between wires
connected to line coil (wires
#10 and 24)
Insure that all inductive loads
are suppressed.
Incorrect line contactor coil.
Defective control.

CORRECTIVE ACTIONS
DESCRIPTION OF
STATUS
Replace controller unit.
CAUSE OF STATUS INDICATION
This status code will be displayed when the control
detects that the line driver input (P2-17) is less than
12% battery volts when the key switch is turned on.
TROUBLE-SHOOTING DIAGRAM
+72V
+72V
L
P1
P17 P2
P12 P3 P13
72V 72V
72V
NEG NEG
NEG
CAUSE OF STATUS INDICATION
This status code will be displayed when the current limit in
the line coil is exceeded during the run mode. The line
contactor will drop out and the key switch will have to be
recycled to reset the control.
TROUBLE-SHOOTING DIAGRAM
+72V
+72V
L
P1
P17 P2
P12 P3
72V 72V
72V
NEG
NEG
NEG
+72V
+72V
+72V +72V
P6
P4 P5
P21
P9 P7 P8
P15 P14 P16
P22 P23
P20
RS232
ACC POT
TACHOMETER
+72V
+72V +72V +72V
P6
P4 P5
P21
P9 P7 P8
P15 P14 P16
P13
P22 P23 P20
RS232
ACC POT
TACHOMETER
Page 31
+72V
P10
+72V
P10
April 2012