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Sharp R-658 microwave not heating food although light is on

However, it won't heat up anything.

Posted by Anonymous on

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

MicrowaveSvc
  • 9047 Answers

SOURCE: microwave light door turn table works but does not heat up food

In most cases, this is a problem with the inverter or a bad magnetron.

Due to the lethal voltages used and produced, I do not recommend that an inexperienced person work on these.

I would recommend that you contact your nearest Panasonic-authorized servicer. You can find one here.

We're happy to help and we appreciate your thoughtful rating of our answer.

Posted on Jul 02, 2008

MicrowaveSvc
  • 9047 Answers

SOURCE: Sharp microwave oven model r-1440 runs, but doesn't heat food

Assuming your inside light and turntable come on when you try to microwave, with the symptoms you have, I would most strongly suspect a bad magnetron or a loose and possibly corroded connection on the magnetron's terminal.

If you or someone you know decide to look into it, we have critical safety information and disassembly information at our site, and our link is at our listing here on FixYa.

At our Web site, we have a video available showing how to remove a typical over the range control panel assembly in under 5 minutes.

Here are some links you or someone you know 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'sprobably okay)


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

The best place to order parts for this brand is Encompass (formerly Tritronics).

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.

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Posted on Feb 08, 2009

  • 1 Answer

SOURCE: Microwave won't heat food.

built in 3/94 is it worth fixing how much for magetron

Posted on Feb 12, 2009

bestdarngood
  • 3037 Answers

SOURCE: Microwave doesn't heat anything

Sounds like the magnetron has failed. This is the component that produces the microwaves that heats the food.

The cost of the magnetron is about 95% of the cost of a microwave oven. Most people don't, for this reason, replace the magnetron, they replace the whole oven which is probably what you will end up doing.

There is a possibility that the circuit that provides power to the magnetron is faulty and you need to take it apart, find the proper electrical leads and test them with a volt meter. To do this you have to remove it from its mounting and take it apart. It is a fairly lengthy process however.


Benjamin

Posted on Apr 26, 2009

heatman101
  • 43501 Answers

SOURCE: My Sharp R-340D microwave works perfectly but Does NOT HEAT FOOD

Hi,
Here is a tip that will help you to figure out what is wrong with yourMicrowave Oven....

Microwave Oven Basic Troubleshooting Tips

heatman101

fggfd

Posted on Sep 30, 2010

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If not, you can reset it by unplugging the power for a minute or two, plugging it back in, and setting the clock.

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Regarding microwave


Sanjay
This is due to the magnatron failing (this is the part of oven that cooks the food!) This is the most likely cause of y isssour oven not heating the food!

Magnatron needs replaced for oven to work again!
Please rate this free soultion!

Jan 18, 2009 | Sharp R-308J Microwave Oven

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My Sharp R-340D microwave works perfectly but Does NOT HEAT FOOD


Hi,
Here is a tip that will help you to figure out what is wrong with yourMicrowave Oven....

Microwave Oven Basic Troubleshooting Tips

heatman101

fggfd

Sep 22, 2008 | Sharp R-1610 Microwave Oven

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Does not heat


The magnatron unit has malfunctioned. You should be able to replace that unit if you're mechanically apt, although with the price of microwave ovens, you might just as well get a new one that's under warantee.

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