GE SX TRANSISTOR CONTROL IC3645SR4U404N2 - Manual (Page 43)

DIAGNOSTIC STATUS CODES
SX TRANSISTOR CONTROL Page 43
January 2000
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
User defined status code is displayed by motor
brush sensor closure to battery positive.
Plug P5 (pump) is shorted to positive.
Defective input switch (shorted).
Defective TMM card.
Defective pump card.
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
User defined status code is displayed by motor
brush sensor closure to battery positive.
.
Plug P6 (pump) is shorted to positive.
Defective input switch (shorted).
Defective TMM card.
Defective pump card.
SC94A
POS
P6
USER SW
WHEN SR Series PUMP
CONTROL IS USED