Neff
Microwave Generation Failure with Grill OK
Microwave grill function works, but microwave heating does not; combination programs only brown the surface.
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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 magnetron, Faulty HV circuit, Control board not switching microwave relay, Magnetron thermal cut-out open
How to Fix / Troubleshooting
Safety: High-voltage components are dangerous; only qualified persons should service them.
User confirmation:
- Test pure microwave mode with a cup of water; if it does not heat but grill mode works, the microwave section has failed.
Service checks:
- Inspect and test the magnetron, HV transformer, diode, and thermal cut-out.
- Check the control board microwave relay output.
Replace defective components with Neff-approved parts. Most users should contact a Neff technician for this repair.
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Repair Difficulty
Professional Required
5/5
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