GE IC3645SR4R404U2 Installation And Operation Manual page 30

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
STATUS CODE
Armature transistor did not turn off properly.
-44
MEMORY RECALL
YES
SYMPTOM
Line contactor opens and closes, then can only be
Circuits valid
closed by opening and closing the key switch.
for
POSSIBLE CAUSE
Traction
Defective control.
•= Replace controller unit.
Controller
CORRECTIVE ACTIONS
DESCRIPTION OF STATUS
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
NO GRAPHIC FOR THIS
STATUS CODE
CAUSE OF STATUS
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
FU3
SERIAL TRANSMIT
SERIAL RECEIVE
PY11 PY12
P11 P18
LEFT
CONTROL
(MASTER)
LINE
FU1
FU4
A1
+
A2
POS A1
- S1 POWER CONNECTIONS
LEFT CONTROL
NEG A2
S2
SP
Page 30
INDICATION
BRAKE SW.
L
P1 P17 P2 P6 P3 P4 P5
P10 P14 P15 P13 P9 P7 P8 P19 P12 P20
ACC
BRAKE
STEER ANGLE
POT
POT
POT
F1 POS A1 F1
POWER CONNECTIONS
RIGHT CONTROL
F2 NEG A2 F2
October 1998