Question about Sharp Microwave Ovens

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My Sharp Model R 305 S, mfg May 2007, SN 228658,IS TRIPPING THE BREAKER. Less than a year old but I do not have receipt. Purchased at navy exchange, Annapolis, MD

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If it went dead almost immediately after pressing the Start pad, that's usually a shorted high-voltage capacitor.

If it went dead a few seconds after pressing the Start pad, that's usually a failing high-voltage transformer.

If it goes dead or blows the breaker (or GFI) when you plug it in or open or close the door, then there's a problem with a door switch or door switch mount.

If that's model R-305KS, we have the service manual for this model and have uploaded it to our site here to help you.

You will need the
free Acrobat Reader to view or print it in case you don't have it.

The best place to order Sharp parts is Tritronics. Or you can call them at 866-779-5835.

If a switch is all you need, we offer a universal type for only $5 postpaid which you can order here.

Thank you for your service to our country.

We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.

Posted on Dec 21, 2008

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