DIAGNOSTIC STATUS CODES
SX TRANSISTOR CONTROL
Page
41
October 2002
TRACTION
STATUS CODE
DESCRIPTION OF STATUS
CAUSE OF STATUS INDICATION
-94
Traction motor brush wear indicator
has detected worn brush.
This status code will be displayed when the voltage at
the respective terminal of the TMM or Pump Logic
Card is at battery volts.
MEMORY RECALL
YES *
CORRECTIVE ACTIONS
TROUBLE-SHOOTING DIAGRAM
Circuits valid
for
Traction
Motor
Brush Wear
Indicator
SYMPTOM
Status code flashes “on and off”.
POSSIBLE CAUSE
Traction motor brushes are worn.
Plug P5 (pump) is shorted to positive.
Defective input switch (shorted).
Defective TMM module.
Defective pump controller.
* First status code is displayed
immediately, additional status codes
are displayed in 20 hour intervals.
SC94
POS
P5
USER SW
WHEN SR Series PUMP
CONTROL IS USED
TRACTION
STATUS CODE
DESCRIPTION OF STATUS
CAUSE OF STATUS INDICATION
-94
Traction motor brush wear indicator
had detected worn brush.
This status code will be displayed when the voltage at
the respective terminal of the TMM or Pump Logic
Card is at zero volts.
MEMORY RECALL
YES *
CORRECTIVE ACTIONS
TROUBLE-SHOOTING DIAGRAM
Circuits valid
for
Traction
Motor
Brush Wear
SYMPTOM
Status code flashes “on and off”.
POSSIBLE CAUSE
Traction motor brushes are worn.
Plug P6 (pump) is shorted to positive.
Defective input switch (shorted).
Defective TMM module.
Defective pump controller.
* First status code is displayed
immediately, additional status codes
are displayed in 20 hour intervals.
SC94A
POS
P6
USER SW
WHEN SR Series PUMP
CONTROL IS USED