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DIAGNOSTIC STATUS CODES
SX TRANSISTOR CONTROL Page 36
January 2000
TRACTION
STATUS CODE
DESCRIPTION OF
STATUS
CAUSE OF STATUS INDICATION
-65
The line coil current is too high
during the run mode
This status code will be displayed when the current limit in the line
coil is exceeded during the run mode. The line contactor will drop
out and the key switch will have to be recycled to reset the control.
MEMORY RECALL
YES
CORRECTIVE ACTIONS TROUBLE-SHOOTING DIAGRAM
Circuits valid
for
Traction
Controller
SYMPTOM
Control will not operate.
POSSIBLE CAUSE
- Shorted line contactor coil
- Short between wires connected to
line coil (wires #10 and 24)
If line coil resistance is correct:
Defective control.
•= Replace controller unit.
KEY SWITCH
L
P7
P1
P17
P2
P6
P9
P3
P12 P8
P4
P5
SEAT SW.
START SW.
FOR. SW.
REV.
SW.
P10
P18
PY7
PY12
PY10
PY11
SP
P1
P5
P4
P2
F
U
7
TO
ACCESSORIES
FU6
P3
OSCILLATOR CARD
LEFT CONTROL
FU1
STEER
ANGLE
POT
LINE
POWER
CONNECTIONS
LEFT CONTROL
POS
A1 F1
NEG A2
F2
FIELD
ARMATURE
ACC POT
BDI INTERRUPT
+
-
SP
SP
FU4
A1
FU2
P
P
POWER
CONNECTIONS
RIGHT CONTROL
POS A1 F1
NEG
F2
FIELD
ARMATURE
FU5
BRAKE SW.
A2
TRACTION
STATUS CODE
DESCRIPTION OF
STATUS
CAUSE OF STATUS INDICATION
-66
The field current exceeds the
current limit of the field transistor.
This status code will be displayed when the field transistor exceeds
its specific current limit. The line contactor will drop out and the key
switch will have to be recycled to restart the control.
MEMORY RECALL
YES
CORRECTIVE ACTIONS TROUBLE-SHOOTING DIAGRAM
Circuits valid
for
Traction
Controller
SYMPTOM
Control will not operate
•= Line contactor opens
POSSIBLE CAUSE
•=Shorted field F1 to F2
•=F1 or F2 terminals shorted to battery
positive (B+)
•=F1 or F2 terminals shorted to battery
negative (B-)
KEY SWITCH
L
P7
P1
P17
P2
P6
P9
P3
P12 P8
P4
P5
SEAT SW.
START SW.
FOR. SW.
REV.
SW.
P10
P18
PY7
PY12
PY10
PY11
SP
P1
P5
P4
P2
F
U
7
TO
ACCESSORIES
FU6
P3
OSCILLATOR CARD
LEFT CONTROL
FU1
STEER
ANGLE
POT
LINE
POWER
CONNECTIONS
LEFT CONTROL
POS
A1 F1
NEG A2
F2
FIELD
ARMATURE
ACC POT
BDI INTERRUPT
+
-
SP
SP
FU4
A1
FU2
P
P
POWER
CONNECTIONS
RIGHT CONTROL
POS A1 F1
NEG
F2
FIELD
ARMATURE
FU5
BRAKE SW.
A2