Liebherr Fault Code

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0x0141

Rotary Torque Drops / Slow Rotation

System

Hydraulics / Rotary

Symptom

Rotary Torque Drops / Slow Rotation

Diagnosis & fix steps

LOGIC: Rotary Drive Displacement Control Solenoid Signal Out of Range. ACTION: Measure proportional solenoid resistance on the BAT 300 rotary top-drive manifold. Inspect harness leads running up the mast cable track for pin strain.

Red Seal field insights

Dynamic Torque: Litronic adjusts rotary motor displacement based on ground resistance; a broken control circuit locks the drive into high-speed/low-torque mode.

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