Oven trips the household circuit breaker or RCD when turned on or when a specific function is selected.

Safety first: Do not repeatedly reset a tripping breaker. Disconnect the oven and only proceed if you are competent with electrical testing.

Diagnosis:

• Identify which function causes the trip (e.g., grill, fan oven, pyrolysis). This points to the likely element or circuit.
• With power disconnected, inspect the corresponding element and wiring for signs of arcing or insulation damage.
• Use a multimeter to test resistance between each element terminal and the oven chassis; a low resistance indicates earth leakage and the element should be replaced.
• Check the mains filter module for burn marks or cracking; replace if suspect.
• Ensure all wiring is routed away from sharp edges and hot surfaces.

Warning: If you are not trained in electrical safety, contact a qualified technician for this type of fault.