DTC 30067 (Cont)
MainCont (Stuck Closed)
CAUSE B - MAIN CONTACTOR STUCK CLOSED
PROCEDURE OR ACTION:
NOTE: Key in OFF position.
1. Measure voltage between controller B(+) and controller B(-).
Is voltage 24 ± 2.5 Vdc?
YES: Replace faulty main contactor.
NO: Proceed to Cause C.
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
Diagnostic Trouble Codes ELECTRICAL SYSTEM
Check the Service Manual section in Yale Axcess Online for possible updates and check pertinent Bulletins
9030-20-26
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