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SHARP MICROWAVE OVEN, MODEL-R778B. HEATING SYSTEM NOT WORKING. MY BABY PRESS SEVERAL BUTTON.

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

MicrowaveSvc
  • 9047 Answers

SOURCE: User's Manual of Sharp Microwave Oven Model R-9H56

Found this posted under Whirlpool instead of Sharp, but I'll be happy to answer it here.

While that one may not be available, we have one that may be close enough to work:

http://www.microwavedisplay.com/r9h66_r9h76_r9h84b_r9h94b_om.pdf

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

Posted on Dec 17, 2007

MicrowaveSvc
  • 9047 Answers

SOURCE: Sharp R-510AK Microwave Oven Fuse Blows

If it went dead almost immediately after pressing the Start pad, that\'s usually a shorted high-voltage capacitor.

If it went dead a few seconds after pressing the Start pad, that\'s usually a failing high-voltage transformer.

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

http://www.microtechfactoryservice.com/cap_test.html
http://www.microtechfactoryservice.com/diode.html
http://www.microtechfactoryservice.com/mag_test.html
http://www.microtechfactoryservice.com/xformer.html


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 Sears or from Tritronics at http://www.wehaveparts.com
We\'re happy to help and we appreciate your thoughtful rating of our answer.

Posted on Jan 13, 2008

MicrowaveSvc
  • 9047 Answers

SOURCE: Sharp Covection Oven/Microwave stops after 1min on any setting

This 59-second stop failure is due to a problem in one of the damper-related components, most likely the switch, but it may also be the motor or the damper door.

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

See the attached sample photo.

If you or someone you know wants to look into this, we have *critical* safety, disassembly, and troubleshooting info at our site, and our link is at our listing here on FixYa: http://tinyurl.com/yzjozk

We even have a video on our site that shows you how to safely & easily remove the control panel assembly to send it for service.

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

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Posted on May 09, 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

MicrowaveSvc
  • 9047 Answers

SOURCE: I have a Sharp R-930AK microwave oven. Not heating

That would be a problem with the secondary interlock (lower door switch) or its mount.

Even though a door switch clicks, it may still be bad inside.

Door switch or mount trouble is usually caused by slamming the door or by opening the door while it's cooking without hitting the Stop pad first.

There are plastic mounts inside the microwave which hold the door switches and onto which the door latches lock when you close the door.

The screws on these mounts may be loose. If they get too loose, the switches will not be activated properly.

Sometimes it's a broken tab on the switch holder, allowing the switch to rotate just out of position. This tab can be hard to see, since it is under the bottom edge of the switch.

If the switch mount is broken, it's usually more economical and safer to add a dab or two of hot glue to the mount to secure the switch. Let it cool for about 30 minutes before using.

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

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

Most computers will open this document automatically, but you may need the free Adobe Reader

If a switch is all you need, we offer a universal type for only $5 postpaid which you can order here.

You can order other parts from Encompass here 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 02, 2009

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1 Answer

My dcs mo-24-Ss microwave oven cannot heat the food after turn on, everything working fine other than no microwave come out


Assuming the turntable, inside light, and internal cooling fan all work when you press "Start" to cook, then I would suspect a bad magnetron, or a bad connection at the "FA" terminal of the magnetron.

If one or more of those three items do not work when you hit "Start", the I would suspect a bad door switch or mount.

The DCS MO24SS is essentially a rebranded Sharp R-530E-series microwave with different cosmetics and a higher price.

The service manual for the Sharp model is here.

The internal Sharp parts in the manual will interchange, but not the external cosmetic parts.

You can order Sharp parts from Encompass here.

Nov 22, 2012 | DCS MO-24-SS Microwave Oven

1 Answer

I need a manual for sharp model r-303cw


I haven't found the instruction manual available as a free download online. However, there are several places to buy a copy. Sears Parts Direct has a printed copy for sale for $4.49 here: http://www.searspartsdirect.com/partsdirect/part-model/Sharp-Parts/Microwave-Parts/Model-R303CW/0958/0123245/50022360/00001?blt=06&prst=&shdMod= . The current part number is IB-R303CK. Searching for the part number gave several other sites with the manual available.

The Sharp R-308K is a very similar microwave and that manual is available as a free download. See http://www.managemylife.com/mmh/owner_manuals/7167/SHARP-Countertop-Microwave-L0906397?brand_name_search=Sharp+microwave .

I hope this helps.

Cindy Wells

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1 Answer

The oven stopped working it will not heat, warm or cook. Sharp Model R-1874F


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Sharp R-1870 Convection works, microwave doesnt heat


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heatman101

ytwyys

Oct 07, 2009 | Sharp R-1870 Convection/Microwave Oven

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Sharp Microwave Oven Timer Counts Down Very Fast (Demo mode)


Here is where you can download the manual
http://www.retrevo.com/search/v2/jsp/mytrevo/myTrevo.jsp?page=man

Yes the problem can be undone also.

Feb 09, 2009 | Sharp R-540DK Microwave Oven

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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


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

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heatman101

fggfd

Sep 22, 2008 | Sharp R-1610 Microwave Oven

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Over the range Microwave trouble


It is a door switch problem of some sort.  I have two Sharp R-1611 units that do the same thing.  The light and fan come on, but not the heat, thank goodness.

I am going to replace it since the plastic for the case and door is cracked in numerous places.  I have spent several hours researching microwaves online have not a single clue what to replace the Sharp with.  Seems like every vendor has very good units and very bad units.  I guess you just pay your money and take your chances.

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