GE IC3645SR7A353T4 Installation And Operation Manual page 28

INSTALLATION AND OPERATION
SX TRANSISTOR CONTROL
TRACTION DESCRIPTION OF STATUS
STATUS CODE
Capacitor (1C) voltage too high during
-76
pedal up regen braking.
MEMORY RECALL
YES
SYMPTOM
Line contactor opens and closes, then
Circuits valid
opens and can only close by opening
for
and closing the key switch.
Traction
Controller
POSSIBLE CAUSE
Batteries are overcharged.
 Regen current too high, cycle key
switch off then on.
Defective control.

Replace controller unit.
TRACTION DESCRIPTION OF STATUS
STATUS CODE
Capacitor (1C) voltage too high during
-77
motoring.
MEMORY RECALL
YES
SYMPTOM
Line contactor opens and closes, then
Circuits valid
opens and can only close by opening and
for
closing the key switch.
Traction
POSSIBLE CAUSE
Controller
Regen current too high, cycle key
switch off then on.
Defective control.

CORRECTIVE ACTIONS
CORRECTIVE ACTIONS
Replace controller unit.
CAUSE OF STATUS INDICATION
This status code will be displayed when the voltage at
1C exceeds 96 volts during the regenerative braking
cycle.
TROUBLE-SHOOTING DIAGRAM
LINE
FU1
+
72 VDC
POS A1 F1
-
POWER CONNECTIONS
NEG A2 F2
CAUSE OF STATUS INDICATION
This status code will be displayed when the voltage at
1C exceeds 96 volts during motoring.
TROUBLE-SHOOTING DIAGRAM
LINE
FU1
+
72 VDC
POS A1 F1
-
POWER CONNECTIONS
NEG A2 F2
Page 28
+72V
+72V
L
P1
P17 P2
P12
+72V
+72V
L
P1
P17 P2
P12
Updated Sept 2019