Severin
No Microwave Output
Microwave runs (light, fan, turntable) but does not heat food at all.
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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, Open high-voltage diode, Faulty high-voltage capacitor, Defective high-voltage transformer
How to Fix / Troubleshooting
Critical safety warning: High-voltage components can cause fatal electric shock. Do not attempt to test or replace HV parts unless you are trained and have proper tools to discharge the capacitor.
- Step 1 – Verify symptom: Heat a cup of water for 1–2 minutes. If it remains cold while the unit appears to run normally, there is no microwave output.
- Step 2 – Basic checks: Ensure you are not using metal containers or foil, which can affect heating. Try a different glass or ceramic container.
- Step 3 – Visual inspection: With the cabinet removed (unplugged), look for burnt smells or discoloration around the magnetron and HV transformer. Do not touch these components.
- Step 4 – Professional diagnosis: A technician will test the magnetron, HV diode, capacitor, and transformer and replace the failed part with Severin-compatible components.
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Repair Difficulty
Professional Required
5/5
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