F20
Belling
General Control System Fault
Oven shows generic fault code and locks out most functions after a power surge or outage.
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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
Corrupted control board firmware, Surge-damaged components, Internal memory error, Multiple sensor faults detected
How to Fix / Troubleshooting
Safety: Disconnect the oven from mains before any internal inspection.
- Hard reset: Turn off power at the isolator and circuit breaker for at least 15 minutes. Restore power and see if the error clears.
- Check for obvious damage: Remove covers and inspect the main PCB for burnt areas, cracked components, or signs of moisture ingress.
- Verify sensors and thermostats: A general fault may be triggered by multiple underlying issues. Test the temperature sensor, safety thermostat, and door switch as per their respective procedures.
- Replace control board: If no discrete component faults are found and the error persists, the main control PCB may need replacement. Use the exact Belling part number for your model.
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Repair Difficulty
Professional Required
5/5
Required Part
Main Control PCB
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