Hansa
Leakage Current from Heating Elements or Wiring
Hansa oven trips the residual current device (RCD) or ground fault interrupter when heating starts, but not when idle.
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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
Moisture inside heating elements, Insulation breakdown in elements, Damaged wiring touching chassis, Contaminated terminal block
How to Fix / Troubleshooting
Safety first: Do not repeatedly reset an RCD that trips. Disconnect the oven from power.
- Drying: If the issue began after cleaning or a spill, leave the oven disconnected with the door open for 24–48 hours to allow moisture to evaporate.
- Inspect elements and wiring: Remove the rear panel and look for signs of arcing or moisture around element terminals and wiring.
- Insulation testing: Use an insulation tester between each element terminal and chassis. Replace any element with low insulation resistance.
- Clean terminal block: Ensure the mains connection block is clean and dry; replace if carbonized.
When to call a technician: RCD trips indicate potential shock hazards; professional testing is strongly recommended.
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Repair Difficulty
Professional Required
5/5
Required Part
Bake Heating Element
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