Kenmore Microwave Error Code F5 — Damper Switch Sensing Error
What this means
Error F5 indicates a problem with the damper switch. In over-the-range microwaves, the damper controls exhaust airflow direction. The switch monitors the damper position, and when it cannot detect the correct position, this error appears.
Step-by-step fix
4 stepsPower cycle
Unplug for 5 minutes and restart.
Check the damper
If accessible, manually check that the damper flap moves freely and is not stuck.
Grease buildup from cooking can stick the damper.
Clean the damper area
Clean any grease or debris from the damper and its surrounding area.
Check the switch
Inspect the damper switch wiring and test the switch if accessible.
When to call a professional
If the damper mechanism or switch needs replacement inside the microwave housing.
Information compiled from manufacturer service manuals, official troubleshooting documentation, and appliance repair industry resources. This guide is for informational purposes only — always consult a qualified technician for complex repairs.
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