Yale 524150797 Maintenance Manual page 300

Diagnostic Trouble Codes
CAUSE B - FAULTY B(+) CONNECTION
PROCEDURE OR ACTION:
1. Review basic electrical troubleshooting information and perform steps in the Voltage Checks. Rekey the truck
and check for codes.
Is code still present?
YES: Proceed to Cause C.
NO: Ensure all terminal lugs are appropriately torqued.
CAUSE C - MAIN CONTACTOR STUCK OPEN
PROCEDURE OR ACTION:
1. Move tiller arm to UP position and measure voltage between controller B(+) and controller B(-) terminal. Oper-
ate turtle switch while measuring voltage.
Is voltage present between B(+) and B(-) terminals?
YES: Proceed to Cause D.
NO: Replace faulty main contactor.
CAUSE D - 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
9030-20-30
DTC 30068 (Cont)
MainCont (Stuck Open)
ELECTRICAL SYSTEM