Beko
Element Insulation Breakdown to Earth
Oven trips the RCD (residual current device) or fuse when heating up, especially when elements get hot.
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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, Cracked or damaged element sheath, Wiring insulation breakdown touching chassis, Contaminated terminal block
How to Fix / Troubleshooting
Safety first: Do not continue resetting a tripping RCD. Isolate the oven and keep it off until inspected.
Diagnosis:
- Visually inspect all elements for cracks or burn marks.
- Use an insulation tester between each element terminal and earth; low insulation resistance indicates a failing element.
- If the fault occurs only when hot, preheat the element with a heat gun (carefully) and retest insulation.
- Replace any element with poor insulation resistance.
- Inspect wiring looms for chafing or contact with sharp metal edges; repair or replace as needed.
Warning: Insulation testing should be performed by a qualified technician with appropriate equipment.
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Repair Difficulty
Professional Required
5/5
Required Part
Lower Oven Heating Element
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