E20
Fagor
Undetermined Control or Sensor Fault
General system fault; unit stops and displays generic error without specific code details.
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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
Intermittent wiring connection, Control PCB firmware error, Multiple simultaneous sensor faults, Power surge damage
How to Fix / Troubleshooting
Safety: Unplug the unit before inspection.
- Power reset: Disconnect power for at least 10 minutes to allow the control to fully reset, then restore power and observe.
- Inspect wiring harnesses: Open the control compartment and gently tug each connector to ensure it is locked in place. Look for any chafed or pinched wires.
- Check for moisture: Dry any condensation or water near the control board and sensors. Correct any leaks that may be dripping onto electronics.
- Review recent events: If the error appeared after a power outage or storm, consider using a surge protector in the future.
If E20 returns frequently, a technician should run full diagnostics and may need to replace the main control PCB.
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Repair Difficulty
Hard
4/5
Required Part
Main Control PCB
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