AEG Electrical Short or Earth Leakage

Freezer trips the household circuit breaker or RCD when plugged in or when compressor starts

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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

Shorted compressor windings, Damaged mains cable, Moisture in defrost heater or wiring, Faulty mains filter causing leakage to earth

How to Fix / Troubleshooting

Safety: This fault can be dangerous. Unplug immediately and do not repeatedly reset the breaker.

Steps (for trained persons):

  • 1. Visual inspection: Check the mains cable and plug for damage. Replace if any defects are found.
  • 2. Isolate components: With power disconnected, unplug the compressor, heater, and other loads from the PCB. Reconnect power briefly to see if the breaker still trips. This helps identify the faulty circuit.
  • 3. Insulation testing: Use an insulation tester (megger) to check compressor and heater for leakage to earth. Replace any component with poor insulation.

Due to the risk of electric shock and fire, this repair is best handled by a qualified appliance technician.

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Repair Difficulty

Professional Required 5/5

Required Part

Mains Filter / Compressor
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