Zanussi Short Cycling / Control or Overload Issue

Clicking sound every few minutes, compressor frequently starting and stopping (short cycling).

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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

Faulty compressor overload protector, Incorrect thermostat or sensor readings, Control board relay chatter, Poor ventilation causing overheating

How to Fix / Troubleshooting

Safety: Unplug the unit before accessing the compressor or control board.

Steps:

  • Improve ventilation: Ensure adequate clearance around the cooler and clean the condenser coil.
  • Check ambient temperature: Extremely high room temperatures can cause overload trips.
  • Inspect overload protector: Access the compressor and check the overload device for signs of overheating. Replace if it trips frequently and tests weak.
  • Verify sensor readings: Test the cabinet sensor; incorrect readings can cause rapid cycling.

Note: Persistent short cycling can damage the compressor. If basic checks do not resolve it, have a technician evaluate the control board and compressor.

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Repair Difficulty

Hard 4/5

Required Part

Compressor Overload Protector
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