DIAGNOSTIC STATUS CODES
SX TRANSISTOR CONTROL Page 42
September 2004
TRACTION
STATUS CODE
DESCRIPTION OF STATUS CAUSE OF STATUS INDICATION
-85
Motor armature current is too high, and
the control trip time is less than 1
millisecond. The key must be cycled
off and on to reset the control.
This status code will be displayed when the motor
armature current is >1600 amps in 1A mode, or
>1325 amps in control run mode.
MEMORY RECALL
YES
CORRECTIVE ACTIONS TROUBLE-SHOOTING DIAGRAM
Circuits valid
for
Traction
Controller
SYMPTOM
Control will not operate. The key switch
must be cycled off and on to clear the
status code.
POSSIBLE CAUSE
Defective control.
• Replace controller unit.
Shorted motor armature.
• Verify that no shorts are present in the motor
armature.
NO GRAPHIC FOR THIS
STATUS CODE
TRACTION
STATUS CODE
DESCRIPTION OF STATUS CAUSE OF STATUS INDICATION
-86
Accelerator pot values obtained during
the auto calibration routine were not
valid.
Refer to Section 8 of this manual for possible causes
of this status code.
MEMORY RECALL
NO
CORRECTIVE ACTIONS TROUBLE-SHOOTING DIAGRAM
Circuits valid
for
Traction
Controller
SYMPTOM
Accelerator potentiometer auto calibration
routine was not successfully completed.
POSSIBLE CAUSE:
Misadjusted or defective accelerator
potentiometer assembly
Verify the accelerator assembly
Open circuit on the accelerator pedal
FU3
KEY SWITCH
P7
P1 P2P17 P6 P3 P4
START SW.
FORWARD SW.
ACC POT
L
REVERSE SW.
SEAT SW.
P5
P9
FU5
POWER CONNECTIONS
POS A1 F1
NEG A2 F2
FIELD
ARMATURE
+
-
LINE
FU1
P8