Question about Sharp Microwave Ovens

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Our convection microwave died. It was a Sharp R-820JS and measured 20 1/2 W x 12 1/8 H x 19 3/4 D. Having trouble finding a substitute that would fit. Any suggestions?

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  • Sharp Master
  • 66,073 Answers

SADLY WE DO NOT DO THAT FOR YOU , GO SHOPPING

Posted on Oct 06, 2019

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4 Suggested Answers

6ya6ya

6ya staff

  • 2 Answers

SOURCE:

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Posted on Jan 02, 2017

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pgh_pa_guy

  • 2992 Answers

SOURCE: Built-in Sharp Carousel II Microwave Convection Oven died.

There are a couple of safety thermostats in the oven to shut down power if something overheats. One is on the magnetron tube (the microwave source), the other is on the cooking cavity. These sometimes go bad. There's also a power line fuse that may have failed, or become loose in its mounting clips. These can be tested with an ohmmeter; they should all measure very close to zero ohms if they're good.

Another possibility is that the control circuit board in the oven may have failed. I have worked on several Sharp ovens where the power transformer for the board has gone bad for no good reason. If the board goes bad the oven may appear to be dead as well.

Microwave servicing is best left to professionals. If you're thinking of keeping this one, take it to a service shop (or call for home service) and get an estimate. Then decide whether to repair or replace.

Hope this has helped a little. Thanks for using Fixya!

Posted on Feb 02, 2010

Testimonial: "Thank you. I will check it out and then decide whether to repair or replace."

jsrock516

Jeff Rockwell

  • 5911 Answers

SOURCE: Sharp Carousel Microwave Convection R-820JS.

If the oven is STILL heating, but the carousel isn't turning, this problem is commonly attributed to a turntable motor that has worn out and may need to be replaced. The motor is attached to the center plastic piece (called a turntable shaft, turntable ring or coupler) under the middle of the glass tray. The following link explains how to access and replace the motor:

http://www.fixya.com/support/r3555716-replacing_a_turntable_motor_on_a_microwa

This is a very simple repair, that usually is not expensive. The price will be determined by the model and manufacturer. This repair can also be performed on an over the range model microwave oven WITHOUT uninstalling it.

You can refer to any of the following websites for comparison:

searspartsdirect.com
pcappliancerepair.com
appliancepartspros.com
repairclinic.com

The first three sites listed have helpful exploded view diagrams to assist you with locating and properly identifying the part(s) you may need.

The average price for a motor is about $35 to $45. If your model number is not listed at all the sites, use the part numbers from the Sears site and use them for your search criteria. The model numbers don't always cross reference, but the part numbers do. The part number for a replacement turn table motor for the model you have listed is RMOTDA254WRZZ (listed as item 1-3 under the "Oven and Cabinet" parts section. If your model number does not cross reference to all websites, use the part number from the Sears website as your search criteria.


NOTE: Even though the carousel may not be turning, you can still use the microwave while awaiting parts. You will need to physically rotate whatever you are heating about midway through the cook time to ensure even heating. Early model microwave ovens were not equipped with a rotating carousel and this was the common procedure.

Posted on Apr 28, 2011

Arian AJ

  • 19 Answers

SOURCE: Sharp R820BK 900 Watts Convection Microwave Oven

you can get the manual in this link

http://kitchen.manualsonline.com/manuals/mfg/sharp/r820bk.html

Posted on Jul 29, 2012

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1 Answer

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Hello, Derek -

Is the Sharp Convection Grill Microwave either model R-820JS or R-820BC? If so . . .

The cooking directions begin on Page 24 of the Operation Manual.

If you do not have the manual, you can find it as a PDF document (Adobe Reader software needed - free) to download for free here:
http://kitchen.manualsonline.com/manuals/mfg/sharp/r820js_r820bc_1.html

The cooking instructions start on Image 27 of the PDF document and run through Image 30 (Page 26.)

I would choose the convection cooking temperature for either Frozen Convenience Foods or Pies, Frozen Prepared.

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Dimmed light might be caused by a slight contact between the panel's connector and the mainboard. Or, there is a dimmer option (feature) in the menu. Depends on model. Some of Panasonic microwave ovens are equipped with such a feature.
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R-820js wont heat


see this causes and fix it .God bless you
f the microwave will not work at all, make sure power is on at the outlet and test the electrical cord. Test the fuse and replace it if it is faulty. Also check the door to make sure it closes properly. Test and, if needed, replace the fan. If the oven doesn't cook or cooks only intermittently but the display is on, check the door interlock switch, the thermal cutout (see the Applaince Controls Fix-It Guide), and the fan, replacing parts that don't pass the test.
If the oven keeps blowing fuses, check for a faulty door interlock or monitor switch.

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Sharp convection microwave temperature is off on the convection side.


this is the thermistor is time to replace,if the fan of the oven is working,also couse this problem.

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Built-in Sharp Carousel II Microwave Convection Oven died.


There are a couple of safety thermostats in the oven to shut down power if something overheats. One is on the magnetron tube (the microwave source), the other is on the cooking cavity. These sometimes go bad. There's also a power line fuse that may have failed, or become loose in its mounting clips. These can be tested with an ohmmeter; they should all measure very close to zero ohms if they're good.

Another possibility is that the control circuit board in the oven may have failed. I have worked on several Sharp ovens where the power transformer for the board has gone bad for no good reason. If the board goes bad the oven may appear to be dead as well.

Microwave servicing is best left to professionals. If you're thinking of keeping this one, take it to a service shop (or call for home service) and get an estimate. Then decide whether to repair or replace.

Hope this has helped a little. Thanks for using Fixya!

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We have installation instructions on our site that cover several past Sharp models and may be close enough to yours to help you.

Normally you take the grille off then remove the two screws that would then be revealed. Then unplug it and slide it forward.

But you should check the link - it should help.

What problem are you having with it?

If you have trouble with the control panel, we regularly repair these for customers nationwide with our guaranteed $39.95 service.

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

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