Privileg Thermal Overload / Intermittent Power Loss

Microwave stops mid-cycle and resets or shuts off completely, then may restart after cooling.

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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

Overheating magnetron or transformer,Tripping thermal cut-out,Loose mains or internal connections,Faulty cooling fan

How to Fix / Troubleshooting

Safety first: Unplug the microwave and allow it to cool fully before inspection.

Step-by-step checks:

  • 1. Improve ventilation: Ensure adequate clearance around the microwave and that vents are not blocked.
  • 2. Clean vents and filters: Remove dust and grease from vents and any removable filters.
  • 3. Listen for fan: Confirm that the cooling fan runs during operation. If not, the fan motor may need replacement.
  • 4. Technician checks: A technician should test thermal cut-outs, inspect for loose connections, and verify that the magnetron and transformer are not overheating abnormally.
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Repair Difficulty

Hard 4/5

Required Part

Thermal Cut-Out
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