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Kelly
Kelly, Appliance Technician
Category: Appliance
Satisfied Customers: 19724
Experience:  Highly accurate diagnostician with over 30 years experience!
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I just installed a new board in my microwave convextion

Customer Question

I just installed a new board in my microwave convextion oven. After a couple hours the fan has come on and can't be turned off. It's located in my RV and it's cold outside. It's not a over heating issue.
JA: What's the microwave's make and model? And can you guesstimate how old it is?
Customer: GE JVM1790BK 01
JA: Do you plan on doing the work yourself?
Customer: YES
JA: Anything else we should know to help you best?
Customer: The old board was replaced due to a high voltage issue.
Submitted: 1 month ago.
Category: Appliance
Expert:  Kelly replied 1 month ago.

Thanks for counting on us to help with your appliance problem. My name is ***** ***** I look forward to helping you!

Expert:  Kelly replied 1 month ago.

If the hood thermostat is not closed due to heat or failure, then that would leave the new board as likely faulty. Have you tested the hood thermostat?

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