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Original post by: rbolneni1 ,


Check one of the switches at the top, usually goes bad.  Open the door,  remove the top  molding (screws), remove the  panel on the right (careful with wires).   Remove carefully the Switch holder and check the top switch continuity.   If it’s bad, replace. You can buy them on Amazon for about $10 to $12. Reassemble, test and see if microwave works normal. I have recurring same issue and problem goes away replacing the switch. Hope the explanation helps. Good Luck.