Zanussi No Power / Supply or Main Fuse Fault

Freezer will not start at all; no lights, no display, completely dead.

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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 household fuse or tripped breaker, Faulty mains cable, Defective mains filter or internal fuse on PCB, Failed main control PCB

How to Fix / Troubleshooting

Safety: Always unplug the appliance before opening any electrical covers.

  • Check outlet: Test the wall socket with another appliance to confirm power is present.
  • Inspect plug and cable: Look for damage to the mains cable or plug. Replace if damaged.
  • Check household fuse/breaker: Reset any tripped breakers or replace blown fuses with the correct rating.
  • Internal fuse: Some Zanussi models have an internal fuse on the mains filter or main PCB. Access the control area and visually inspect/measure continuity of any fuses. Replace only with identical rated parts.
  • Control board: If power reaches the board but the unit remains dead, the main control PCB is likely faulty and should be replaced.
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Repair Difficulty

Medium 3/5

Required Part

Main Control PCB
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