Princess Electrical Short / Earth Leakage

Oven trips the circuit breaker or RCD as soon as it is turned on or when heating 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 heating element to chassis, Damaged wiring insulation, Moisture inside elements or wiring, Faulty filter capacitor or suppression device

How to Fix / Troubleshooting

Safety first: Do not repeatedly reset a tripping breaker; this indicates a potentially dangerous fault.

  • Isolate functions: Try different modes (bake, grill, fan) to see which one causes tripping. This helps identify the faulty circuit.
  • Inspect elements: Look for visible damage or signs of arcing on elements. Test each element for continuity to earth with a megohmmeter if available.
  • Check wiring: Inspect harnesses for melted insulation or contact with sharp metal edges.

Replace any element or wiring that shows leakage or short to ground. If you are not experienced with electrical testing, contact a qualified technician.

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Repair Difficulty

Professional Required 5/5

Required Part

Heating Element (faulty circuit)
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