Zanussi
No Power to Control Panel
Oven display is blank, 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 on PCB, Faulty mains terminal block, Broken live or neutral wire to control board, Failed low-voltage power supply on PCB
How to Fix / Troubleshooting
Safety first: Turn off power at the breaker before removing any covers. Live parts are exposed inside.
Step-by-step checks:
- 1. Verify supply at terminal block: Confirm correct voltage at the oven's terminal block. If absent, check the wall switch and house wiring.
- 2. Inspect terminal block: Look for burnt or loose connections. Replace the Zanussi terminal block if damaged.
- 3. Check wiring to PCB: Ensure live and neutral wires from the terminal block to the control board are intact and firmly connected.
- 4. Inspect PCB fuse: Some boards have a small glass or thermal fuse. Replace only with the exact type if blown, and investigate the cause.
- 5. Replace control board: If supply is present but the board remains dead, replace the main control board.
Warning: Never bypass fuses with wire or higher-rated fuses; this defeats safety protection.
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Repair Difficulty
Hard
4/5
Required Part
Mains Terminal Block, Main Control Board
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