Microwave Thermostat Testing

This video demonstrates how to test a thermostat on a microwave. The thermostat is a commonly replaced part when the microwave is not working.
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[@DOLRED]

Yup, our old Maytag shuts down momentarily if used heavily. It signals its return to action with the oven light flickering and then staying solid on. I looked at the wiring diagram and the oven light is tied into the heating and thermal cut off section leaving no doubt. I believe the magnetron fan is under-performing. Reaching the fan requires gutting the entire control area--you may as well disassemble the entire unit to parts. A lot of effort.

[@cherylm2C6671]

Thank you for sharing this video!

[@repairclinic]

You're welcome!
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[@Honestandtruth007]

Thank you for the video 👍

[@daijoubu4529]

Why does the LG LMC0975ST has one but not the larger LMC1575ST? Same magnetron even.

[@wallychambe1587]

my thermostat switch seems to be triggering too early!