GE IC3645SR4W746N5 Installation And Operation Manual page 31

DIAGNOSTIC STATUS CODES
SX TRANSISTOR CONTROL
TRACTION
DESCRIPTION OF STATUS
STATUS CODE
Motor armature offset voltage is too
-43
low.
MEMORY R CALL E
NO
SYMPTOM
Control will not operate.
Circuits valid
for
POSSIBLE CAUSE
Traction
Defective control.
Controller
·
Replace controller unit.
TRACTION
DESCRIPTION OF STATUS
STATUS CODE
Armature transistor did not turn off
-44
properly.
MEMORY RE ALL C
YES
SYMPTOM
Line contactor closes and opens, then
Circuits valid
can only be closed by opening and
for
closing the key switch.
Traction
Controller
POSSIBLE CAUSE
Defective control.
·
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
FU3
KEY SWITCH *
SP
FU5
LINE
P1 P7 P9
FU1
*
A1
+
F1
F1
POS A1
CONTROL
-
POWER
*
CONNECTION
NEG A2
*
F2
F2
A2
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
FU3
KEY SWITCH *
SP
FU5
LINE
P1 P7 P9
FU1
*
A1
+
F1
F1
POS A1
CONTROL
-
POWER
*
CONNECTION
NEG A2
*
F2
F2
A2
1 A
Page 31
DIRECT SW.
*
*
ACCEL
1A
FWD
START
SW.
REV
*
L
P4
P18 P17 P2 P6 P3 P5
OSC CARD CONNECTIONS
ACCEL
START
*
SW.
DIRECT SW.
*
*
ACCEL
1A
FWD
START
SW.
REV
*
L
P4
P18 P17 P2 P6 P3 P5
OSC CARD CONNECTIONS
ACCEL
START
*
SW.
October 2002