GE IC3645SR4R404U2 Installation And Operation Manual page 29

DIAGNOSTIC STATUS CODES
SX TRANSISTOR CONTROL
TRACTION DESCRIPTION OF STATUS
STATUS CODE
Open thermal protector (TP) or
-41
transistor over temperature.
MEMORY RECALL
YES
SYMPTOM
Reduced or no power to traction motor in control
Circuits valid
range.
for
POSSIBLE CAUSE
Traction
Control is in thermal cut-back.
•= Allow control to cool, status code should
Controller
disappear.
Defective control.
•= Replace controller unit.
TRACTION
DESCRIPTION OF STATUS
STATUS CODE
Motor armature offset voltage is too
-42
high.
MEMORY RECALL
NO
SYMPTOM
Control will not operate.
Circuits valid
for POSSIBLE CAUSE
Defective control.
Traction
•= Replace controller unit.
Controller
CORRECTIVE ACTIONS
CORRECTIVE ACTIONS
CAUSE OF STATUS INDICATION
This status code will be displayed when the voltage at
the thermal protector is too high.
TROUBLE-SHOOTING DIAGRAM
NO GRAPHIC FOR THIS
STATUS CODE
CAUSE OF STATUS INDICATION
This status code will be displayed when the voltage at
the current sensor input is greater than 2.6 volts with
no current flowing in the motor circuit.
TROUBLE-SHOOTING DIAGRAM
NO GRAPHIC FOR THIS
STATUS CODE
Page 29
October 1998