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This means that either one of your door switches are starting to fail or the display board board is bad and will need to be replaced. you will need to take the microwave apart to access the door switches. Below is a link to a video on how to test the door switches. Access is probably different, but that's not the point. The point is to show you how to test the switches. Either replace the faulty switch, or replace the control board if all the switches check good.
CLICK HERE for video
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