GE SX TRANSISTOR CONTROL IC3645SR4U404N2 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
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.
= 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
FU5 KEY SWITCH
P1
P2
SP
P5
TO
ACCESSORIES
P4
FU6
P3
PY7
PY12
P18 P17 P1
OSCILLATOR CARD
PY10
LEFT CONTROL
PY11
FU1
LINE
FU2
FU4
+
A1
P
A1 F1
POS
POWER
-
CONNECTIONS
SP
LEFT CONTROL
NEG A2
F2
SP
P
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
FU5
P2
P5
TO
ACCESSORIES
P4
FU6
P3
PY7
PY12 P18
P17
OSCILLATOR CARD
PY10
LEFT CONTROL
PY11
FU1
LINE
FU2
+ FU4
A1
P
A1 F1
POS
POWER
-
CONNECTIONS
SP
LEFT CONTROL
NEG A2
F2
SP
P
Page 32
BRAKE SW.
L
P4
P2 P6 P3 P5
P7 P10 P9 P12 P8
STEER
ANGLE
ACC POT
BDI INTERRUPT
POS A1 F1
POWER
CONNECTIONS
RIGHT CONTROL
A2
NEG F2
BRAKE SW.
P1
SP
L
P3 P4 P5
P1 P2 P6
P10
P7 P9 P12 P8
ACC POT
BDI INTERRUPT
POS A1 F1
POWER
CONNECTIONS
RIGHT CONTROL
NEG A2
F2
January 2000
POT
STEER
ANGLE
POT