Yale 524150797 Maintenance Manual page 332

Diagnostic Trouble Codes
CAUSE A - WIRING FAULT
PROCEDURE OR ACTION:
1. Perform Voltage Checks as indicated in the Basic Electrical Troubleshooting section.
Is the code still present?
YES: Clear error log. Make sure to indicate the DTC code(s) on the warranty claim to include an accurate
problem description of service provided.
NO: Proceed to Step 2.
2. Disconnect CPS01 and CPS02. Measure resistance between CPS01, socket 8 and CPS02, socket 1.
Is resistance ≤ 1 ohm?
YES: Connect CPS01 and proceed to Step 3.
NO: Inspect circuit 367 for open, short, or source of excessive resistance.
3. Measure resistance between CPS02, socket 2 and B(-).
Is resistance ≤ 1 ohm?
YES: Proceed to Cause B.
NO: Inspect circuit 101 for open, short, or source of excessive resistance.
CAUSE B - 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
END FAULT
Check the Service Manual section in Yale Axcess Online for possible updates and check pertinent Bulletins
9030-20-62
DTC 30248 (Cont)
Low Temp
ELECTRICAL SYSTEM