E007
Neff
Low Voltage Power Supply Error
Microwave displays E007 and may shut down unexpectedly during operation.
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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
Failed low-voltage power supply on main PCB, Loose mains connector, Defective line filter, Internal fuse on control board blown
How to Fix / Troubleshooting
Safety: Disconnect from mains before opening the cabinet.
Basic checks:
- Verify the wall socket is supplying stable power by testing with another appliance.
- Check the mains plug and cable for damage.
Internal checks (qualified persons):
- Remove the outer cabinet and inspect the mains input block and line filter for burnt marks or loose connections.
- Check the control board fuse (if fitted) for continuity and replace with the exact type if blown.
- Inspect the low-voltage section of the main PCB for bulging capacitors or burnt components.
- If the low-voltage supply is unstable or missing, replace the main control PCB.
Because this involves live mains circuitry, if you are not experienced, arrange service through Neff.
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Repair Difficulty
Hard
4/5
Required Part
Main Control PCB
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