Gaggenau
Earth Leakage Fault
Washer-dryer intermittently trips the household RCD (residual current device) 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
Insulation breakdown in wash heater, Moisture in motor windings, Damaged wiring harness touching chassis, Water leak onto electrical components
How to Fix / Troubleshooting
Safety first: Do not repeatedly reset a tripping RCD. Unplug the appliance and close water taps.
- 1. Inspect for leaks: Check inside the cabinet for signs of water around the heater, pump, and hoses. Repair leaks first.
- 2. Test heater insulation: With a multimeter, measure resistance between heater terminals and chassis; low resistance indicates leakage and the heater should be replaced.
- 3. Check wiring: Look for damaged insulation or wires rubbing on metal. Repair or replace as needed.
- 4. If fault persists: Motor or control module insulation may be compromised. Professional insulation testing is recommended.
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Repair Difficulty
Professional Required
5/5
Required Part
Wash Heater Element
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