Question about Sharp Microwave Ovens

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I have a Sharp microwave model R-258L(W).It has stop heating up.

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6ya6ya
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Posted on Jan 02, 2017

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SOURCE: unlocking child lock on the sharp microwave model R316FSC

Pick up your owners manual and review operation instructions.

Posted on Jan 06, 2009

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ginko
  • 19396 Answers

SOURCE: Sharp Microwave stopped heating

If it is working but not heating, then test the high voltage capacitor,the rectifier diode.or the magnetron. If all this are fine, test the control board.If turntable is not running check also the door switch.

The diodeand capacitors can be tested. The capacitor must be allowed discharge before testing, or you risk to get electrocuted, evenif power is off.Capacitors can get discharged by shorting their two contacts.
Before replacing the magnetron test also the control board.
Replace the magnetron if the checks and all of the high voltage component tests are good, but the unit still does not heat.



All locations, and description of this parts can be located using the diagram here: Counter top.

Parts must be tested to find out what is wrong.

Remember that microwaves are potentially dangerous devices if not repaired properly, the job must be done by a competent person.
A microwave energy leakage test must always be performed when the oven is serviced for any reason.

Regarding parts, contact the seller here to purchase parts.

You can also order from MicrowaveSvc , they also provide parts.

Posted on May 16, 2009

MicrowaveSvc
  • 9047 Answers

SOURCE: Sharp microwane R-630DSA not heating properly

Chances are you have a shorted high voltage rectifier, which is pretty easy and inexpensive to replace, or a shorted magnetron, which is more work and money.

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

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

Most computers will open these documents automatically, but you may need the free Adobe Reader.

Here are some links you can use for test help, but read their safety warnings first:

http://www.gallawa.com/microtech/diode.html
(if it's not shorted or burned, it's probably okay)


http://www.gallawa.com/microtech/mag_test.html

You can order parts from Encompass here http://tinyurl.com/7qy85y or you can call them toll-free at 866-779-5835.

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

Posted on Jun 30, 2009

  • 4088 Answers

SOURCE: Sharp Microwave stopped working. lights up, counts down. Fine'

High voltage power supply for the magnetron is likely problem. Multi-thousand-volt section--be careful.

Posted on Jul 12, 2009

  • 176 Answers

SOURCE: My sharp microwave just stopped working. It

IT IS POSIBLE TO HAVE A BURNED FUSE ON THEI Main boARD OF THE OVEN

Posted on Feb 14, 2010

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Sharp Microwave stopped heating


If it is working but not heating, then test the high voltage capacitor,the rectifier diode.or the magnetron. If all this are fine, test the control board.If turntable is not running check also the door switch.

The diodeand capacitors can be tested. The capacitor must be allowed discharge before testing, or you risk to get electrocuted, evenif power is off.Capacitors can get discharged by shorting their two contacts.
Before replacing the magnetron test also the control board.
Replace the magnetron if the checks and all of the high voltage component tests are good, but the unit still does not heat.



All locations, and description of this parts can be located using the diagram here: Counter top.

Parts must be tested to find out what is wrong.

Remember that microwaves are potentially dangerous devices if not repaired properly, the job must be done by a competent person.
A microwave energy leakage test must always be performed when the oven is serviced for any reason.

Regarding parts, contact the seller here to purchase parts.

You can also order from MicrowaveSvc , they also provide parts.

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Sharp Carousel Microwave ESP Sensor R-1451 1.50 w 850wats has load noise and will not heat, what could be wrong?


It's probably a shorted high voltage rectifier diode.

If you or a friend decide to work on it, we have *critical* safety, disassembly, and troubleshooting info at our site, and our link is at ourlisting here on FixYa: http://tinyurl.com/yzjozk

You can probably find an exploded view by entering your FULL model number here: http://www3.sears.com (the 3 is correct)

You can order Sharp parts from the Sears link above or from Tritronics at http://www.wehaveparts.com
We're happy to help and we appreciate your thoughtful rating of our answer.

If you need more help, please feel free to conact me directly through the links at our site.

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