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Microwave exhaust fan went on automatically. Can't turn it…

Customer Question
Microwave exhaust fan went...

Microwave exhaust fan went on automatically. Can't turn it off even after pressing exhaust off button

Contractor's Assistant: Just to clarify, what's the make and model of the appliance? And has it done this before?

Model # LFMV164QFA

Contractor's Assistant: Do you plan on doing the work yourself?

Whatever works

Contractor's Assistant: Anything else we should know to help you best?

Unplugged applicance. When turned back on,no success

Submitted: 7 months ago.Category: Appliance
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Answered in 1 minute by:
12/30/2017
Appliance Technician: Tyler Z., Appliance Doc replied 7 months ago
Tyler Z.
Tyler Z., Appliance Doc
Category: Appliance
Satisfied Customers: 89,166
Experience: 9+ years being an appliance technician with factory training.
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Appliance Technician: Tyler Z., Appliance Doc replied 7 months ago

There is a high limit thermostat mounted to the bottom of the microwave in case you're cooking something on the cooktop and it gets too hot. It will automatically turn the fan on so if you were using the cooktop, just leave the microwave plugged in an within 1 hour it should turn off on it's own.

Now if you weren't cooking anything and it just turned on for no reason, give it an hour anyways, but if it doesn't shut off, your control board has a stuck relay and the entire display board will need to be replaced to fix that issue I'm sorry to say.

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