Dtc 30060 - Mtr Curr; Dtc 30061 - Mtr Open - Yale 524150797 Maintenance Manual

Diagnostic Trouble Codes
CODES

DTC 30060 - Mtr Curr

DTC 30061 - Mtr Open

POSSIBLE CAUSE
A. TRACTION MOTOR CABLE FAULT
B. TRACTION MOTOR FAULT
C. FAULTY TRACTION CONTROLLER
COMPONENT OPERATIONAL CHECK
NOTE: Always check battery condition and state of charge before performing electrical troubleshooting. A faulty
or low charged battery will cause electrical features to not operate as designed and give incorrect readings while
performing electrical tests.
PROCEDURE OR ACTION:
1. Conduct a visual inspection of all connectors/wiring associated with the fault code.
Are any faults detected/observed?
YES: Repair/replace connector or wiring associated with faults found. Refer to the appropriate Electrical
System YRM .
NO: Proceed to Step 2.
2. Re-key the vehicle.
Is the code still present?
YES: Proceed to Cause A.
NO: Problem may be intermittent.
CAUSE A - TRACTION MOTOR CABLE FAULT
PROCEDURE OR ACTION:
1. Inspect controller phase cable terminals for proper torque and connections.
Are phase cables properly secured?
YES: Proceed to Step 2.
NO: Repair and properly torque cables.
2. Disconnect the traction motor cables from the traction controller and traction motor. Measure continuity of in-
dividual cables to isolate fault.
Is continuity present?
YES: Disconnect battery and proceed to Cause B.
NO: Repair or replace faulty phase cable.
CAUSE B - TRACTION MOTOR FAULT
PROCEDURE OR ACTION:
1. Measure continuity between the traction motor terminals U and V.
Is continuity present?
YES: Proceed to Step 2.
NO: Repair or replace faulty traction motor.
Check the Service Manual section in Yale Axcess Online for possible updates and check pertinent Bulletins
9030-20-20
Please refer to the end of this procedure for supporting diagrams.
NOTE
ELECTRICAL SYSTEM