F20
Fagor
General Control System Error
Display shows generic fault, oven beeps and stops, no specific function indicated
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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
Firmware glitch in electronic control, Overvoltage or undervoltage event, Internal control board component failure, Corrupted configuration data
How to Fix / Troubleshooting
Safety first: Disconnect power before removing any covers.
- Power reset: Turn off the oven at the breaker for at least 10 minutes to allow capacitors to discharge. Restore power and test operation.
- Check supply voltage: Use a multimeter to confirm that the mains voltage is within the range specified on the Fagor rating plate. Persistent over/undervoltage can cause control errors.
- Inspect control board: Remove the control panel and visually inspect the PCB for burnt components, bulging capacitors, or damaged tracks. If any are found, replace the board.
- Configuration reset: Some models allow a factory reset via a key combination (consult service documentation). Perform a reset if available.
- Board replacement: If the error persists and all external components test good, replace the electronic control module.
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Repair Difficulty
Hard
4/5
Required Part
Electronic Control Board
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