Question about Sharp Microwave Ovens

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I have a R-9H83 Sharp Carousel II Microwave Convection Oven that I have had for years and now when I use the convection to bake, it only will stay on for a few minutes and then just shut down. Any suggestions? bbottrill@gmail.com

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If you use a sensor function, the sensor may be obstructed, please clean the sides and top of your microwave with a dishcloth, warm water, and soap to dislodge any rough or stained spots.
If setting a timer, when setting to bake please pay close attention to the unit of measure so that you set it right, minutes vs. hours as you may leave the oven to do its business and return without noticing it did exactly what you told it to do but you had thought you entered a longer time.

Posted on Nov 21, 2013

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Posted on Jan 02, 2017

MicrowaveSvc
  • 9047 Answers

SOURCE: Microwave convection heat shuts down

That could be several things, but to me the most likely is that your thermistor is caked with grease - somewhat shorted as opposed to open. By contrast, when the thermistor is open, the classic symptom is that the coolling fan runs more than it should. The other most likely possibilities include the damper motor or switch or control panel. You should be able to get any needed parts at Tritronics at http://www.wehaveparts.com You can find critical safety & disassembly info in the serice manual or at our Web site. We have the actual service manual for that model on our site at http://www.microwavedisplay.com/R930AKAW.pdf (if that URL fails try http://207.234.249.73/mwd/R930AKAW.pdf) Post back if you wish.

Posted on Dec 24, 2006

  • 579 Answers

SOURCE: Microwave convection oven repair needed

Check the internal fuse. Unplug it, unscrew and take off the cover, the fuse should be easily found in the back by the power cord. I tlooks like a regular fuse but is white instead of clear glass because microwave fuses are special. You'll have to measure it with a meter as a result and be sure to replace it with the same kind. (try finding them at radio shack) Hopefully there isn't something more serious also.

Posted on Jan 01, 2008

fieldy14
  • 456 Answers

SOURCE: Looking for instruction manual Sharp \carousel

if you google the model number and the brand you should be listed with a series of sites that supply manuals, service manuals, etc.

Posted on Aug 16, 2009

MicrowaveSvc
  • 9047 Answers

SOURCE: Sharp model R-1871 shuts off every 59 seconds

This is a problem in one of the damper-related components, either the switch or motor or the damper door may be binding.

The damper is a door inside that opens or closes depending on cooking mode. If the controller senses that the door is not in the right position, it will shut down the cook cycle.

Sharp models stop after 59 seconds.

See the attached sample drawing for a typical damper assembly.

We have the applicable service manuals for these models and have uploaded it to our site here and here to help you.

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.

William E. Miller
prototech@usa.net
http://www.microwavedisplay.com

b27054b.jpg

Posted on Aug 30, 2009

Testimonial: "traced to motor for damper. Would not have had a clue without this information provided by fixya"

  • 178 Answers

SOURCE: Need instructions for the convection function for a Sharp R8165

http://www.retrevo.com/samples/index.html

Hope this helps!!

Posted on Sep 13, 2009

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