Liebherr Compressor Start Failure

Clicking sound every few minutes; compressor attempts to start but stops quickly; little or no cooling.

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Safety Warning

This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.

If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.

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Possible Causes

Weak compressor start relay/PTC, Failing compressor drawing high current, Faulty overload protector

How to Fix / Troubleshooting

Safety first: Unplug the appliance before touching the compressor or electrical components.

Steps:

  • 1. Access compressor area: Remove rear lower cover.
  • 2. Inspect start device: Remove the plastic cover on the compressor terminals and inspect the start relay/PTC for burn marks or cracking.
  • 3. Replace start device: Install a new Liebherr-specified start relay/PTC and overload protector if suspect.
  • 4. Test operation: Restore power and observe whether the compressor now starts and runs continuously.

Note: If the compressor still fails to start and continues clicking, the compressor itself is likely defective and requires professional replacement.

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Repair Difficulty

Professional Required 5/5

Required Part

Compressor Start Relay / Overload Protector
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