GE IC3645SR4U454Z2 - Page 43

DIAGNOSTIC STATUS CODES
SX TRANSISTOR CONTROL Page 43
January 1999
TRACTION
STATUS CODE
DESCRIPTION OF STATUS CAUSE OF STATUS INDICATION
-91
USER DEFINED STATUS CODE
See instructions for Truck
Management Module for details.
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
Controller
&
Pump
Controller
SYMPTOM
Status code flashes “on and off”.
POSSIBLE CAUSE
User defined status code is displayed by switch
closure or motor brush sensor closure to
negative.
•= See GEH-TMM7A, “Truck Management
Module Instructions” for OEM defined status
codes for complete corrective action required.
Terminal 3 (TMM7A) is shorted to negative.
Plug P17 (pump) is shorted to negative.
Defective input switch (shorted).
Defective TMM card.
Defective pump card.
1345
279
6 8 10 11 12 13
14
15
P17
SC91
WHEN TMM7A CARD IS USED
NEG
USER SW
WHEN SR Series PUMP
CONTROL IS USED
NEG
USER SW
TRACTION
STATUS CODE
DESCRIPTION OF STATUS CAUSE OF STATUS INDICATION
-92
USER DEFINED STATUS CODE
See instructions for Truck
Management Module for details.
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
Controller
&
Pump
Controller
SYMPTOM
Status code flashes “on and off”.
POSSIBLE CAUSE
User defined status code is displayed by switch
closure or motor brush sensor closure to
negative.
•= See GEH-TMM7A, “Truck Management
Module Instructions” for OEM defined status
codes for complete corrective action required.
Terminal 4 (TMM7A) is shorted to negative.
Plug P15 (pump) is shorted to negative.
Defective input switch (shorted).
Defective TMM card.
Defective pump card.
1345
279
6 8 10 11 12 13
14
15
P15
NEG
SC92
WHEN TMM7A CARD IS USED
NEG
USER SW
WHEN SR Series PUMP
CONTROL IS USED
USER SW