Question about Sharp R930CS Microwave Oven

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My R930 will not heat food. Also the turntable will not turn. I read on this site that I need a Magnetron. What is it and where can I get one?

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  • 9,047 Answers

I'm guessing that your internal cooling fan is also not working when you try to microwave?

Chances are you have a bad secondary interlock (bottom door switch) or its mount is broken, loose or misaligned.

We have the service / repair manual for this model and have uploaded it to our site here to help you.

It will give you safety info, step by step help in disassembly, troubleshooting tips, and part numbers.

Most computers will open this document automatically, but you may need the free Adobe Reader

You can order parts from Encompass here or you can call them toll-free 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.

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

Posted on May 20, 2009

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Posted on Jan 02, 2017

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The wave emitting part inside the microwave oven is called the magnetron. The waves emitted by the magnetron generate heat in food. When the microwave is running, turntable turns and light comes on but there is no heat it means that either the magnetron is faulty or the magnetron is not getting power. When the magnetron is not getting power parts such as the high voltage diode or capacitor must be tested or replaced. Testing and repair must be carried by a technician. Here some general troubleshooting: http://www.fixya.com/support/r2096491-microwave_works_normally_but_not_heat

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