GE IC3645SR4W746HL1 Installation And Operation Manual page 32

DIAGNOSTIC STATUS CODES
SX TRANSISTOR CONTROL
TRACTION DESCRIPTION OF STATUS
STATUS CODE
Motor armature offset voltage is too
-43
low.
MEMORY RECALL
NO
SYMPTOM
Control will not operate.
Circuits valid
for POSSIBLE CAUSE
Defective control.
Traction
• Replace controller unit.
Controller
TRACTION DESCRIPTION OF STATUS
STATUS CODE
Armature transistor did not turn off
-44
properly.
MEMORY RECALL
YES
SYMPTOM
Line contactor opens and closes, then can only
Circuits valid
be closed by opening and closing the key switch.
for
POSSIBLE CAUSE
Traction
Defective control.
Controller • Replace controller unit.
CORRECTIVE ACTIONS
CORRECTIVE ACTIONS
CAUSE OF STATUS INDICATION
This status code will be displayed when the voltage at
the current sensor input is less than 2.4 volts with no
current flowing in the motor circuit.
TROUBLE-SHOOTING DIAGRAM
KEY
SWITCH
PL-1
41
12
P18
P1
P7
POS A1 F1
POWER CONNECTIONS
NEG A2 F2
1A
CAUSE OF STATUS INDICATION
This status code will be displayed when, during
control operation, the armature transistor fails to turn
off. This will result in a PMT condition.
TROUBLE-SHOOTING DIAGRAM
KEY
SWITCH
PL-1
41
12
P18
P1
P7
POS A1 F1
POWER CONNECTIONS
NEG A2 F2
1A
Page 29
BRAKE
10 SW.
PL-2
1A
PL-3
L
PL-4 PL-5
PL-6
45 7
15 6
P17 P2
P6 P3 P4
PL-9
29
ACC POT
13
BRAKE
10 SW.
PL-2
1A
PL-3
L
PL-4 PL-5
PL-6
45 7
15 6
P17 P2 P6 P3 P4
PL-9
29
ACC POT
13
November 2002
8
P5
P10
8
P5
P10