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Why doesn't a microwave come on when the start is pushed?

If your microwave oven won’t start, you may have a problem with a door switch. The door switches, often referred to as primary or secondary interlock switches, provide power to the various components in the microwave when the door is in a closed position, and interrupt power when the door is open. Sometimes it is possible that when a door switch fails, the display and controls may appear normal, but the oven won’t operate. The interlock switches are located inside the cabinet and are activated by hooks or latches on the door.

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2 Answers

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  • 7 days ago

    Because you didn't close the door?

    Could be back electronics not letting it work.

  • 7 days ago

    Because it's broken or not plugged in.

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