H.Koenig Compressor Start / Overload Cycling

Buzzing or humming noise from the compressor area, with frequent clicking on and off.

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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, Low mains voltage, Seized compressor, Overheated compressor due to dirty condenser

How to Fix / Troubleshooting

Safety first: Unplug the ice maker before touching the compressor or electrical parts.

  • 1. Improve ventilation and clean condenser: Ensure good airflow and clean the condenser coil and fan.
  • 2. Check power supply: Plug directly into a wall outlet and avoid long extension cords.
  • 3. Inspect start relay: Remove the compressor cover and check the PTC relay and overload protector. Replace if discolored, cracked, or rattling internally.
  • 4. Evaluate compressor: If a new relay does not resolve the issue and the compressor still clicks off quickly, the compressor may be seized and require replacement.

Warning: Compressor replacement is a complex refrigeration repair; contact a professional technician.

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Repair Difficulty

Professional Required 5/5

Required Part

Compressor Start Relay
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