Neff No Power / Main Supply Issue

Wine cooler will not power on at all; display and lights are off.

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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 main PCB, Faulty mains cable or plug, Tripped circuit breaker, Failed main control PCB power supply

How to Fix / Troubleshooting

Safety: Always disconnect from mains before opening any electrical compartment. If you are not comfortable with electrical testing, contact a professional.

Steps:

  • Check outlet: Test the wall socket with another appliance to confirm power is available.
  • Inspect plug and cord: Look for cuts, kinks, or burn marks. Replace the cord set if damaged.
  • Reset breaker: Check your home's breaker panel and reset any tripped breaker.
  • Internal fuse: Remove the rear panel and locate the main control PCB. Many boards have a small fuse; if visibly blown, have it replaced with the exact type by a qualified technician and investigate the cause.
  • Board replacement: If the fuse is intact but there is still no power, the main control PCB's power supply may have failed and the board should be replaced.
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Repair Difficulty

Hard 4/5

Required Part

Main Control PCB / Power Cord
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