Liebherr Fault Code

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E 061

Boom Hoist Inching Dead / Jerky Lift

System

Hydraulics / Winch

Symptom

Boom Hoist Inching Dead / Jerky Lift

Diagnosis & fix steps

LOGIC: Boom Luffing Winch Displacement Feedback Sensor Irrational. ACTION: Inspect rotary potentiometer on the luffing winch hydraulic motor swashplate. Check for moisture ingress inside the sensor housing and perform a software recalibration via Litronic.

Red Seal field insights

Critical Crane Safety: Precision boom luffing requires exact closed-loop displacement feedback; irrational data freezes variable speed control and forces slow-inching failsafe mode.

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