Zanussi
Reduced Output – Weak Magnetron or Power Control Fault
Microwave interior light, fan, and turntable run, but food heats very slowly compared to normal.
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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
Aging magnetron with reduced emission, Faulty power control circuitry, Intermittent high-voltage capacitor, Incorrect mains voltage supply
How to Fix / Troubleshooting
Safety first: Unplug before any inspection.
- Compare heating: Heat 250 ml of water for 1 minute on full power. If temperature rise is minimal, output is low.
- Check supply voltage: Avoid using long extension leads or overloaded circuits that may drop voltage.
- Reset unit: Unplug for 10 minutes, then retest.
- Service required: If slow heating persists, the magnetron or control circuitry likely needs replacement.
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Repair Difficulty
Hard
4/5
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