F19
Belling
Mains Supply / Power Regulation Fault
Oven shows power supply or voltage error; may shut down or refuse to start.
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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 voltage, Loose mains terminal block, Failed power supply section on PCB, Neutral or earth fault
How to Fix / Troubleshooting
Safety: Only qualified persons should work on mains connections. Isolate power before removing covers.
- Check supply: Verify that the oven is connected to the correct voltage and that the circuit breaker has not partially tripped.
- Inspect terminal block: Remove the rear cover to access the mains terminal block. Check for loose screws, overheating, or melted insulation. Tighten connections to the specified torque.
- Examine power filter and PSU: Inspect the mains filter and power supply section on the PCB for burnt components or bulging capacitors. Replace the PCB if damaged.
- Verify earth and neutral: Ensure the appliance is correctly earthed and that neutral connections are secure.
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Repair Difficulty
Professional Required
5/5
Required Part
Main Control PCB
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