Yale 524150797 Maintenance Manual page 279

ELECTRICAL SYSTEM
CAUSE B - MAIN CONTACTOR COIL FAULT
PROCEDURE OR ACTION:
NOTE: Key in OFF position.
1. Measure resistance between the main contactor's coil terminals.
Is resistance 30 ± 3.0 ohms?
YES: Proceed to Cause C.
NO: Replace faulty main contactor coil.
CAUSE C - FAULTY TRACTION CONTROLLER
PROCEDURE OR ACTION:
1. If no faults are found, replace controller. Make sure to indicate the DTC code(s) on the warranty claim to in-
clude an accurate problem description leading to controller replacement.
END POSSIBLE CAUSES
Check the Service Manual section in Yale Axcess Online for possible updates and check pertinent Bulletins
DTC 30033 (Cont)
Main Cont
Diagnostic Trouble Codes
9030-20-9