How to Fix / Troubleshooting

Safety first: Do not repeatedly reset a tripping breaker. Disconnect the appliance and investigate the cause.

Element isolation: Disconnect one heating element at a time and test insulation resistance between each element terminal and chassis using a megohmmeter if available. Replace any element with low insulation resistance.
Visual wiring check: Inspect all wiring near the oven cavity for melted insulation or contact with sharp metal edges.
Moisture drying: If the oven was recently steam-cleaned, allow it to dry thoroughly (door open, fan running) for several hours and retest.
Filter check: Inspect the mains interference filter for cracks or burn marks; replace the mains filter if suspect.

Note: If you lack proper test equipment, have a qualified technician perform insulation and leakage tests.

Oven trips the circuit breaker or RCD when heating is started.

Possible Causes