Liebherr Fault Code

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0x01A3

Kelly Winch Stalls under Pull / Alarm

System

Winch / Drum

Symptom

Kelly Winch Stalls under Pull / Alarm

Diagnosis & fix steps

LOGIC: Auxiliary Winch High-Pressure Line Relief Solenoid Signal Low. ACTION: Measure resistance to ground on proportional relief driver wire at winch control block. Inspect harness where it exits cabin floor bulkhead for chassis metal rub-through.

Red Seal field insights

Tension Control: System continuously modulates winch line pull during casing extraction; a shorted circuit vents pilot control oil, dropping available line pull to minimum.

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