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Magic chef over the oven microwave shuts off.

Our over the oven microwave shuts off all the time when cooking popcorn, bacon, baked potatoes. it doesn't trip the gfi, it just shuts down and has no lights or power. if you cook for over 4 mins. it does this and its always done it home depot told us it was normal, it was overheating. i don't think its normal.

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Is not normal for a microwave to shutdown after 4 minutes of operation.
From the info you are providing, It looks like the magnetron might be overheating causing the thermal fuse to shut it down until it cools down. There may also be a loose connection in one of the switches or a cold solder joint in the low voltage power supply.
I would suggest to check and make sure that the fans are functional, If always did; it could be that there isn't much air circulation where the appliance was installed.

Posted on Mar 03, 2008

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A safety sensor is great, but not if it keeps tripping the machine and shutting down!

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