DIAGNOSTIC STATUS CODES
SX TRANSISTOR CONTROL
Page
35
October 2002
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 accelerator
will have to be recycled to reset the control.
MEMORY R CALL
E
NO
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)
FU3
FU5
KEY SWITCH
*
CONTROL
POWER
CONNECTION
POS
A1
NEG A2
ARMATURE
FU1
LINE
A2
A1
*
*
1A
*
OSC CARD CONNECTIONS
L
1A
DIRECT SW.
P18 P17
P2
P6
P4
SEAT SW
.
*
SP
P3
*
FWD
REV
P5
*
ACCEL
START
SW.
P1 P7
P9
*
F1
F2
FI
ELD
F1
F2
ACCEL
START
SW.
+
-
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 accelerator
will have to be recycled to restart the control.
MEMORY R CALL
E
NO
CORRECTIVE ACTIONS
TROUBLE-SHOOTING DIAGRAM
Circuits valid
for
Traction
Controller
SYMPTOM
Control will not operate or is sluggish on start
up. Line contactor opens
POSSIBLE CAUSES
Blown FU1 fuse.
Shorted field F1 to F2
·
F1 or F2 terminals shorted to battery positive
(B+) or to battery negative (B-)
Binding line contactor
·
Visually inspect tips, clean them with solvent.
·
Confirm that contactor includes G248 coil.
Noise
·
Missing or damaged horn suppressor
Confirm that all inductive loads/accessories
are suppressed.
FU3
FU5
KEY SWITCH
*
CONTROL
POWER
CONNECTION
POS
A1
NEG A2
ARM
A
T
URE
FU1
LINE
A2
A1
*
*
1A
*
OSC CARD CONNECTIONS
L
1A
DIRECT SW.
P18 P17
P2
P6
P4
SEAT SW.
*
SP
P3
*
FWD
REV
P5
*
ACCEL
START
SW.
P1 P7
P9
*
F1
F2
FIELD
F1
F2
ACCEL
START
SW.
+
-
