GE IC3645SR3R404P2 Installation And Operation Manual page 40

DIAGNOSTIC STATUS CODES
SX TRANSISTOR CONTROL
TRACTION
DESCRIPTION OF STATUS
STATUS CODE
Capacitor (1C) voltage too high.
-76
MEMORY RECALL
YES
SYMPTOM
Line contactor opens and closes, then opens
Circuits valid
and can only close by opening and closing the
key switch.
for
Traction
POSSIBLE CAUSE
•= Unplugging the battery connector during
Controller
regenerative braking.
•= Line contactor bouncing open during regen.
•= Main power fuse opening during regen.
•= Intermittent battery plug connection.
TRACTION
DESCRIPTION OF STATUS
STATUS CODE
Motor current is detected during
-77
regenerative braking.
MEMORY RECALL
YES
SYMPTOM
Line contactor opens and closes, then opens
Circuits valid
and can only close by opening and closing the
key switch.
for
Traction
POSSIBLE CAUSE
Controller Defective control.
•= Replace controller unit
CORRECTIVE ACTIONS
CORRECTIVE ACTIONS
CAUSE OF STATUS INDICATION
This status code will be displayed when the voltage
on the capacitor goes above 96 volts during the
regenerative braking cycle.
TROUBLE-SHOOTING DIAGRAM
LINE
FU1
FU4
A1
+
A2
- S1
S2
SP
CAUSE OF STATUS INDICATION
This status code will be displayed when motoring
current is detected during the regenerative braking
cycle.
TROUBLE-SHOOTING DIAGRAM
LINE
FU1
FU4
A1
+
A2
- S1
S2
SP
Page 40
POS A1 F1
POWER CONNECTIONS
LEFT CONTROL
NEG A2 F2
POS A1 F1
POWER CONNECTIONS
LEFT CONTROL
NEG A2 F2
July 1999