Liebherr Fault Code

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0x00C4

Kelly Winch Inoperative / Lockout Active

System

Hydraulics / Winch

Symptom

Kelly Winch Inoperative / Lockout Active

Diagnosis & fix steps

LOGIC: Main Winch Proportional Pilot Solenoid Current Below Normal (Open Circuit). ACTION: Measure solenoid coil resistance at the main winch manifold block. Inspect harness flex points around the mast swivel joint for wire strain or broken pins.

Red Seal field insights

Foundation Safety: Prevents accidental free-spooling or uncontrolled lowering of heavy drill strings if solenoid driver feedback breaks.

Same code keeps coming back?

That's a program problem, not a part problem. Book a 30-minute uptime review with Grant, a Red Seal Heavy Duty Technician.

Book an uptime review

Read before you touch anything

  • This is general reference information, not a repair manual. It is for trained, qualified technicians.
  • Fault codes, meanings and procedures vary by model, serial number and software version. Confirm the code and the procedure against the manufacturer's service manual before acting.
  • Follow the OEM service manual, torque specs and your site's safety procedures: lockout/tagout, block raised equipment, relieve hydraulic, fuel and air pressure, and let hot systems cool.
  • You use this information at your own risk. Adventure Mechanical and AM Fleet Integrity accept no liability for damage, injury, downtime or loss arising from its use.
  • Not affiliated with or endorsed by any manufacturer. Brand names are used only to identify the equipment a code applies to.

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