Oven display shows F19 and the appliance trips the circuit breaker when a heating function is selected.

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

• 1. Identify when it trips: Note whether the breaker trips immediately when selecting a specific function (e.g., grill, fan bake). This helps identify the suspect element or circuit.
• 2. Visual inspection: Inspect all accessible wiring and elements for signs of arcing, burn marks, or melted insulation. Pay attention to where wires pass through metal panels.
• 3. Insulation test (advanced): Using an insulation tester (megger), test each element to earth. Any element showing low insulation resistance (e.g., <1 MΩ) should be replaced.
• 4. Drying moisture: If the fault appeared after heavy steam cleaning or water ingress, allow the oven to dry thoroughly for 24–48 hours with the door open before retesting.
• 5. Line filter check: Inspect the mains filter module for cracks or burn marks. Replace if damaged.

Because this fault involves potential electric shock risk, if you are not experienced with electrical testing, contact a qualified technician.