Question about Sharp R-202EW Microwave Oven

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Sharp R-1450 Microwave Oven

The microwave just stopped working, of course while preparing a meal. No lights, no clock, nothing. I thought the breaker tripped, however when I checked the electrical box, the breaker was not tripped. So I replaced the fuse in the oven. After replacing the fuse, the lights came on and the control panel was powered up so I thought everything was ok. When I tried to use it, and I pushed the start button, it lasted about 1 second and then everything stopped again. Not sure what to try now. Any sugguestions?

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  • Anonymous Apr 10, 2008

    I was heating up my supper last night an the microwave just stoped working like someone pulled the plug. checked the outlet an it was fine.Is there a fuse somewhere? email

  • debjacks Jul 05, 2008

    My Sharp R-1450 microwave oven is locked. How do I unlock it?

  • Anonymous Mar 12, 2014

    will work but then power stops..may randomly
    come back on. does not trip breaker



2 Answers

Power line knocked out service and we reset microwave by unplugging and wait about a minute then plug in and usually works but this time the inside light works and the numbers are flashing but on the key board nothing will work. Also the two plastic buttons on the right are like locked will not let you push them the door open button works. These two locked buttons were locked and the microwave still worked before. Can you help?

Posted on Aug 16, 2008

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The most common suspect here is a shorted high voltage capacitor, since you say it blew the fuse right after Start, but I would certainly suggest checking the door switches and door switch mounts first. Just be sure you installed the right fuse. It would be a The switch mounts seem to break at about this point in the life of these models. If you or a friend decide to work on it, we have *critical* safety, disassembly, and troubleshooting info (as well as a text file which helps in diagnosing and repairing door switch problems) at our site, which is linked at our listing here on FixYa: You can find helpful exploded view diagrams and order parts by entering your model number here: (the three is correct)

Posted on Jun 08, 2007


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