De Dietrich Electrical Short or Earth Leakage

Washer-dryer trips the household circuit breaker or RCD during operation

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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

Heater element insulation breakdown to earth, Moisture in motor or wiring, Shorted mains filter, Damaged power cable

How to Fix / Troubleshooting

Safety: Do not repeatedly reset the breaker. Unplug the appliance and leave it disconnected until the fault is identified.

  • 1. Visual inspection: Remove rear and top panels. Look for burnt components, melted insulation, or signs of water leaks onto electrical parts.
  • 2. Heater test: Disconnect the tub heater wires and measure resistance between each terminal and earth. Any low resistance indicates leakage; replace the heater.
  • 3. Motor and wiring: Check the motor and its harness for water ingress or damaged insulation. Dry any moisture and repair wiring as needed.
  • 4. Mains filter and cord: Inspect the mains filter and power cord for damage. Replace if cracked or burnt.

Warning: Earth leakage faults can be dangerous. If you are not experienced with insulation testing, seek professional service.

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Repair Difficulty

Professional Required 5/5

Required Part

Tub Heating Element
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