Neff No Power / Mains Supply Fault

Washer-dryer does not start at all; no lights or display

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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 interference filter, Failed power module

How to Fix / Troubleshooting

Safety first: Do not open live electrical parts while the machine is plugged in. Always unplug before inspection.

Step-by-step checks:

  • 1. Check outlet and fuse: Test the wall socket with another appliance. Reset any tripped breakers. If using a fused plug, check and replace the fuse if blown.
  • 2. Inspect power cord: Look for cuts, burns, or kinks in the mains cable. Replace if damaged.
  • 3. Check mains filter: Remove the rear panel and locate the mains interference filter where the cord enters. Inspect for burn marks or bulging. Replace if faulty.
  • 4. Control module: If power reaches the filter but the display remains dead, the power module may have failed and require replacement.

When to call a technician: If you are not experienced with mains voltage diagnostics, contact a professional.

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Repair Difficulty

Hard 4/5

Required Part

Mains Interference Filter
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