GE IC3645SR4T405CT1 Installation And Operation Manual page 29

DIAGNOSTIC STATUS CODES
IT TRANSISTOR CONTROL
TRACTION
DESCRIPTION OF STATUS
STATUS CODE
Motor armature offset voltage is too
-43
low.
MEMORY RECALL
NO
SYMPTOM
Control will not operate.
Circuits valid
for
POSSIBLE CAUSE
Traction
Defective control.
Controller
•
Replace controller unit.
TRACTION
STATUS CODE
Armature transistor did not turn off
-44
properly.
MEMORY RECALL
YES
SYMPTOM
Status code will be displayed during
Circuits valid
control operation and can only be re-
for
set by recycling the key switch.
Traction
Controller
POSSIBLE CAUSE
Defective control.
-
CORRECTIVE ACTIONS
DESCRIPTION OF STATUS
CORRECTIVE ACTIONS
Replace controller unit
CAUSE OF STATUS INDICATION
This status code will be displayed when the voltage at
the current sensor input is less than 2.4 volts with no
current flowing in the motor circuit.
TROUBLE-SHOOTING DIAGRAM
CAUSE OF STATUS INDICATION
This status code will be displayed when, during
control operation, the armature transistor fails to turn
off. This will result in a PMT condition.
TROUBLE-SHOOTING DIAGRAM
Page 29
January 2008