Hi Gene, welcome to the forums. Do you have a model number or photo of the problem? It may help a little if we can see where the problem is or can get some more info .
Contact the manufacturer with the make and model - they may be able to help. The door on a microwave oven needs to be operating correctly as it is a safety feature. This is why the microwave should not operate with the door open. DO NOT use this appliance until the door is operating correctly as microwaves can escape and be hazardous.
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