F8
Montpellier
Power Supply or Line Frequency Error
Oven display shows F8 and oven will not heat.
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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
Incorrect mains frequency, Unstable supply, Faulty power supply section on control board, Miswired neutral/line at terminal block
How to Fix / Troubleshooting
Safety first: Only a qualified electrician should test live voltages. Isolate the cooker before checking wiring.
- Verify supply: Confirm with an electrician that your mains supply is 230 V / 50 Hz and correctly wired.
- Inspect terminal block: With power off, check that live and neutral are connected to the correct terminals as per the Montpellier wiring diagram.
- Check for loose connections: Tighten any loose screws and look for signs of overheating at the terminal block.
- If wiring and supply are correct: The control board’s power supply or frequency detection circuit may be faulty and require replacement.
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Repair Difficulty
Professional Required
5/5
Required Part
Electronic Oven Control (EOC)
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