Hoover
Failed Cavity Lamp
Microwave interior light does not come on, but the unit heats and otherwise works normally.
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Possible Causes
Burnt-out lamp filament, Loose lamp holder, Faulty lamp wiring, Failed lamp driver on control PCB
How to Fix / Troubleshooting
Safety first: Unplug the microwave before accessing the lamp.
User-level checks (if lamp is user-replaceable):
- Refer to the Hoover manual to locate the lamp access cover.
- Remove the cover, unscrew the lamp, and inspect it. Replace with the exact Hoover-specified lamp.
Next steps:
- If the new lamp does not work, the issue may be with the lamp circuit or control PCB, requiring technician diagnosis.
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Repair Difficulty
Easy
2/5
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