Yale 524150797 Maintenance Manual page 304

Diagnostic Trouble Codes
CAUSE A - CONTROLLER WIRING FAULT
PROCEDURE OR ACTION:
1. Measure voltage between the traction controller B(+) terminal and B(-).
Is precharge voltage same as battery voltage?
YES: Proceed to Cause B.
NO: Check for external loads or shorts on the B(+) circuit and phase cables. Refer to the Basic Electrical
Troubleshootingsection and perform Voltage Checks.
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
Check the Service Manual section in Yale Axcess Online for possible updates and check pertinent Bulletins
9030-20-34
DTC 30069 (Cont)
Precharge
ELECTRICAL SYSTEM