AEG
Mechanical Vibration or Fan Obstruction
Microwave is very noisy during operation (rattling, scraping, or fan noise).
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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
Loose internal panels or screws, Worn or obstructed cooling fan, Damaged turntable roller ring, Foreign object in fan or cavity
How to Fix / Troubleshooting
Safety first: Unplug the microwave before internal inspection.
- Step 1 – Isolate noise: Run the microwave with the turntable removed (with a microwave-safe container on the floor) to see if the noise changes. If quieter, suspect the turntable system.
- Step 2 – Check roller ring and tray: Inspect for flat spots, cracks, or debris. Replace worn parts.
- Step 3 – Inspect fan: Remove the outer cover and check the cooling fan for obstructions or bent blades. Clear debris and ensure the fan is securely mounted.
- Step 4 – Tighten hardware: Tighten any loose screws on the chassis, transformer, and panels that may vibrate.
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Repair Difficulty
Medium
3/5
Required Part
Cooling Fan Motor
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