Question about Sharp R-930AK Convection/Microwave Oven

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Sharp R-930AK No Convection Heat Now No Micro

About a year ago the convection part of the oven died. Now when I use the microwave the plate does not spin the timer counts down as usual and the fans run but nothing gets heated. There is no unusual noise coming from the unit.

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Re: Sharp R-930AK No Convection Heat Now No Micro - Sharp R-930AK Convection/Microwave Oven Microwave Ovens

The magnetron has failed

Posted on Jun 05, 2007

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I need instructions on how to use Sharp Convection microwave Grill 2?

Best way short of Sharp is Google the model number of the unit with "manual" to try to locate free one online.

Nov 04, 2012 | Sharp R-930AK Convection/Microwave Oven

1 Answer

I have a sharp R-930AK micro/convection oven that blew fuse, replaced it, it came on then blew again. Help now what?

Hello, there is a component that is pulling more current than it needs to be. I would check the microwave HV diode there could be some leakage to ground. Also, the mega-tron tube might not be working the way it should. If the mega-tron tube is going out. Just replace the microwave oven. It is to cost prohibitive to replace the mega-tron.

If you replace the microwave oven. Please recycle your old microwave. Boy Scouts, recycling centers, some charitable organization will recycle. GB...stewbison

Sep 06, 2011 | Sharp R-930AK Convection/Microwave Oven

1 Answer

"Sharp R-930AK Service Manual"

The service manual is here.

You can order parts from Encompass here.

Aug 26, 2011 | Sharp R-930AK Convection/Microwave Oven

2 Answers

My sharp microwave/convection oven come on, clock counts down but it does not heat nor does the turntable turn. About a week ago the breaker was tripped by it I think but it was fine until now. It doesn't...


It sounds like one of the door micro switches is bad. There are three micro switches typically. A primary interlock, a secondary interlock and a monitor switch. It is most likely the primary or secondary interlock switch. You may need to take your switches to a professional appliance shop to determine which one is bad.

Let me know,if needed further assistance.

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Jan 22, 2011 | Sharp R-930AK Convection/Microwave Oven

1 Answer

Sharp r-930ak microwave stopped working

either the high voltage side has gone done or pcb is not putting out the output.

Sep 14, 2009 | Sharp R-930AK Convection/Microwave Oven

1 Answer

Sharp microwave stopped working

Is it totally dead? No display? Or just does not cook? If it made an unusual noise before it 'died' something probably shorted out.... You need an ohm meter to troubleshoot. If the fuse is open, switches and HV circuit need to be checked before replacing fuse. Sometimes on the convection Microwaves (not just Sharp) the fuse will 'rust' and open rather than blow. Or the fuse holder can over heat and fail.

Sep 11, 2009 | Sharp Microwave Ovens

1 Answer

Sharp 930 AK Convection/Microwave Oven

When you close the oven door the latches operate a couple of interlock switches that control power. It may be that one of the door switches is bad or out of adjustment. It's also possible that one of the door latches is broken so it's not hitting the switch. There should be two door latches. Are they both there? This oven could be fixed by adjusting or replacing the interlock parts as needed. Because of concerns about microwave leakage from an improper door seal, you should have this oven serviced by a professional.

May 21, 2009 | Sharp R-930AK Convection/Microwave Oven

2 Answers


your magnatron needs replaced! (It may cost less for a new one then to fix this one!)

Dec 09, 2008 | Sharp R-930AK Convection/Microwave Oven

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