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Fan Running Unexpectedly Troubleshooting Guides

Published FixGraph guidance for diagnosing and responding to fan running unexpectedly.

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Microwave fan running unexpectedly after days without use

First determine whether only the fan is running or whether the microwave is also starting: a turntable, cavity light, or heating cycle without a command is a safety issue. On an over-the-range microwave, the vent or cooling fan can start automatically when heat from the cooktop or oven below reaches the appliance, and some models keep it running until the temperature falls.

Microwave · Appliance Repair