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DIAGNOSTIC STATUS CODES
SX TRANSISTOR CONTROL Page 41
January 2000
Section 4.6 TMM Status Codes
TRACTION
STATUS CODE
DESCRIPTION OF STATUS CAUSE OF STATUS INDICATION
-90
Traction motor temperature has
exceeded maximum temperature limit.
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
Temperature
SYMPTOM
Status code flashes “on and off”.
POSSIBLE CAUSE
User defined status code is displayed by switch
closure to battery negative.
Plug P16 (pump) is shorted to battery negative.
Defective input switch (shorted).
Defective TMM card.
Defective pump card.
P16
SC90
NEG
USER SW
WHEN SR Series PUMP
CONTROL IS USED
TRACTION
STATUS CODE
DESCRIPTION OF STATUS CAUSE OF STATUS INDICATION
-91
Pump motor temperature has
exceeded maximum temperature limit.
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
Temperature
SYMPTOM
Status code flashes “on and off”.
POSSIBLE CAUSE
User defined status code is displayed by switch
closure to battery negative.
Plug P11 (pump) is shorted to battery negative.
Defective input switch (shorted).
Defective TMM card.
Defective pump card.
P11
SC91
NEG
USER SW
WHEN SR Series PUMP
CONTROL IS USED