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Sharp Carousel Microwave ESP Sensor R-1451 1.50 w 850wats has load noise and will not heat, what could be wrong?

I have a Sharp R-1451 Microwave that stopped working after i heard a pop noise and then it stopped heating. When I run it it has a load buzzing noise but will not heat... Any idea what could have gone wrong with it. It sounded like a capacitor went or heating unit.

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  • yafix165 Jun 29, 2008

    After several rapid power outages from lightning, now the START button, Sensor, and Defrost buttions do not work. Also, anytime the door is closed, the fan runs and light comes on like during cooking, but it does not heat.



    Checked the fuse it was OK.

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  • Microwave Ovens Master
  • 9,098 Answers

It's probably a shorted high voltage rectifier diode.

If you or a friend decide to work on it, we have *critical* safety, disassembly, and troubleshooting info at our site, and our link is at ourlisting here on FixYa: http://tinyurl.com/yzjozk

You can probably find an exploded view by entering your FULL model number here: http://www3.sears.com (the 3 is correct)

You can order Sharp parts from the Sears link above or from Tritronics at http://www.wehaveparts.com
We're happy to help and we appreciate your thoughtful rating of our answer.

If you need more help, please feel free to conact me directly through the links at our site.

Posted on Dec 31, 2007

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Microwave still heats but there is a hole in the fiber door on top surface of microwave.

Posted on Apr 06, 2008

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Posted on Jan 02, 2017

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