Gram
No Power to Control Panel
Oven display is completely dead; no lights or response, but mains supply is present.
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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 fuse, Faulty mains filter, Loose or burned terminal block, Failed low-voltage power supply on PCB
How to Fix / Troubleshooting
Safety first: Ensure the circuit breaker is off before opening the rear cover.
Steps to check:
- Verify mains voltage at the wall outlet and at the oven's terminal block (qualified person only).
- Inspect the terminal block for loose or burned connections; repair or replace as needed.
- Check for an internal fuse on the control board or wiring harness; test and replace with the same rating if blown.
- If fuses and wiring are intact but the display remains dead, the main control board power supply section has likely failed and the board must be replaced.
Warning: Never bypass fuses; they protect against fire and shock.
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Repair Difficulty
Hard
4/5
Required Part
Main Control Board (PCB)
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