Fisher & Paykel
Power Interruption / Control Board Reset
Microwave clock and settings reset every time the door is opened or when cooking stops.
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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
Loose power cord connection, Failing internal power supply on control board, Intermittent line fuse or thermal fuse, Faulty door switch causing power drop
How to Fix / Troubleshooting
Safety first: Unplug the microwave before internal inspection.
- Check outlet and plug: Ensure the plug fits snugly in the outlet and that the outlet is not loose.
- Inspect power cord: Look for signs of wear or damage. Replace if necessary.
- Test door switches: A faulty door switch can momentarily interrupt power to the control. Test and replace any defective switches.
- Inspect control board: Look for signs of overheating or bulging capacitors on the control PCB. If present, replace the board.
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Repair Difficulty
Hard
4/5
Required Part
Main Control PCB
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