Fisher & Paykel
Control Power Supply Fault
Oven light works but control panel is dead, no display or response
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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
Blown internal control fuse, Failed low-voltage transformer or power supply on control board, Loose harness to control, Incorrect wiring at terminal block
How to Fix / Troubleshooting
Safety first: Turn off power at the breaker before opening any panels.
- Check breaker: Confirm that the circuit breaker is fully on and not partially tripped.
- Inspect terminal block: Ensure all connections are tight and there are no burnt wires.
- Access control board: Remove the control panel and look for an internal fuse on the control board. Test and replace with the exact type if blown, but investigate cause.
- Harness check: Verify that the main harness connector to the control board is fully seated.
- Replace control board: If the fuse is good and power is present at the board but there is no display, replace the electronic control.
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Repair Difficulty
Hard
4/5
Required Part
Electronic Oven Control Board
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