Question about Microwave Ovens

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Microwave runs 3 sec then shuts off.

I tried to heat up some water, the microwave ran about 3 to 4 sec then shut off, tried 4 times with same results.Manfg date is May 2004. It is a Panasonic Inverter Model NN T 994SF

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  • ddmdavid Dec 13, 2008

    STARTED WITH THE TURNTABLE KEPT TURNING WHEN YOU OPEN THE DOOR, NOW WHEN YOU PUSH START THE TIMER QUITS

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  • Microwave Ovens Master
  • 8,820 Answers

Mtystufquit - We've already discussed this by chat & e-mail, and if and when you need further help, please let me know.

"If the digital programmer circuit / controller does not get a feedback signal from the inverter for a period of 3 seconds, the controller will stop the cook cycle."

ddmdavid - you probably have a bad door switch or door switch mount. Please see these links.

http://www.microwavedisplay.com/safety.txt
http://www.microwavedisplay.com/disassembly.txt
http://www.microwavedisplay.com/doorsw.txt

If you still need help, please create a new post with your brand and model number.

Posted on Dec 15, 2008

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