Liebherr Fault Code

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0x00C2

Main Rotary (DKR) / Kelly Winch Stall

System

Hydraulics / Winch

Symptom

Main Rotary (DKR) / Kelly Winch Stall

Diagnosis & fix steps

LOGIC: Main Winch Proportional Pressure Solenoid Circuit Open. ACTION: Measure solenoid coil resistance at the winch control block (X10 plug). Inspect harness flex points around the mast swivel joint for wire strain or insulation chafing.

Red Seal field insights

Foundation Safety: Prevents uncontrolled free-spooling or winch lockup under heavy drilling torque demands.

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