Microwave displays H14 and will not operate.
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.
Possible Causes
How to Fix / Troubleshooting
Safety: Do not run the microwave if the cooling fan is not operating; overheating can cause serious damage.
User checks:
- Inspect vents: Ensure all external vents are clear of dust, grease, or obstructions.
- Listen for fan: Start a short cook cycle and listen for the fan. If you do not hear airflow, stop the cycle.
- Reset: Unplug for 5–10 minutes, then test again.
If H14 remains and the fan does not run: The cooling fan motor or its wiring is likely faulty and must be replaced by a technician.
Repair Difficulty
Required Part
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