Question about LG Microwave Ovens

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LG microwave will not heat up food

My daughter burnt popcorn and since then, the microwave will not heat up food

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  • 168 Answers

Burnt fuse

Posted on Jun 07, 2014

6 Suggested Answers

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Posted on Jan 02, 2017

  • 1314 Answers

SOURCE: Will not pop popcorn without burning it

use Orville Rickenbacker ah you know who lol set it for five minutes when you hear it slow take it out works for me no the oven don't need repair popcorn's tough the best way i know to make popcorn is an electric skillet yum yum

Posted on Feb 16, 2008

SOURCE: Popcorn stain in Microwave

I read that non acetone nail polish remover works, tried it and saw a 95 percent improvement on the stain.

Posted on Jun 01, 2008

SOURCE: my LG microwave does not heat food ,spins but makes noise

high voltage fuse blowed

Posted on Oct 27, 2008

MicrowaveSvc
  • 9047 Answers

SOURCE: LG LMVM1935SB Microwave won't heat anymore!

With these symptoms, I would suspect you have a bad magnetron.

If it's within the magnetron portion of the warranty (usually 5-9 years) but out of the original full warranty (usually 1 year), then your manufacturer will cover the part cost, but not the cost to visit you or the labor charge to do the work.

Some manufacturers will send you the magnetron to do it yourself. If nothing else, you can save about $75 by taking it to the shop yourself.

Here are some links you or someone you know can use (in order given) for test help, but read the safety warnings first:

http://www.gallawa.com/microtech/diode.html (if it is NOT shorted, it's probably fine)
http://www.gallawa.com/microtech/mag_test.html (continuity can be good even though it is bad!)
http://www.gallawa.com/microtech/xformer.html

To order Goldstar / L.G. parts, visit Vance Baldwin Electronics.

For more Goldstar / LG / L.G. help, call 1-800-243-0000 (M-F, 7am-8pm CT, Sat 8-5 CT) and choose the appropriate prompt from the menu or
visit here. You can get warranty info & find a local authorized servicer.

L.G. / Goldstar owner's manuals can be downloaded here.

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

Posted on Nov 25, 2008

ginko
  • 19396 Answers

SOURCE: LG Microwave does not heat food

est the high voltage capacitor,the rectifier diode.or the magnetron. If all this are fine, test the control board.

Thediode and capacitors can br tested. The capacitor must bealloweddischarge before testing, or you risk to get electrocuted, evenifpower is off. Capacitors can get discharged by shorting theirtwocontacts.
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.

Posted on Apr 27, 2009

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My maytag cmv1000ada starts and seems to be working, but barely warms food, it makes a little buzzy/ vibrating noise at startup but doesnt heat food like it used to example a bag of popcorn would be burnt...


Remove cover after disconnecting , check for dirt/moisture in the cabin, if so wipe clean and dry, check the magnetron and area clean and use an jet air to clean off. Check the wave guide covers, if food had deposited
then it must be checked or replaced. See link:
http://www.espares.co.uk/advice/microwave/a/5/1146/how-to-replace-a-microwave-guide-cover.html

Jan 31, 2013 | Sanyo Microwave Ovens

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We can't get our microwave to fully pop the bag of popcorn. If we use the popcorn button it stops before the bag even starts popping. If we preset the time, the same occurs and if we run it until its...


Always place the bag of popcorn on an upside-down paper plate.

This allows more microwaves to penetrate the bag from the bottom.

Also always place food of any kind in the microwave off-center on the tray, NOT in the middle of the tray.

Not only does it cook more evenly (think of how you stir liquid) but it also prevent the same spot from being heated repeatedly on the glass turntable, which can lead to overheating and breakage.

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

Sep 06, 2010 | Dacor DMT2420SS Microwave Oven

2 Answers

Will not heat food eveything works but will not heat


Hi,
The device which emits microwaves and heats the food is called a magnatron. You will have to take it to a repair shop to determine if the magnatron is faulty. Also check all internal fuses and/or loose or burnt wires before sending it in for repairs.
Best wishes,
Graemevm

Dec 23, 2009 | LG MV-1444Y Microwave Oven

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Bad to cook popcorn in the microwave?


I have run a lot of popcorn thru the microwave with no effect on the oven.

I've never seen any cautions to not do that or to even be careful doing it.

A lot of microwaveable popcorn is sold, so that's a good indication.

Charlie

Aug 18, 2009 | Welbilt MR95TW Microwave Oven

1 Answer

A child burnt popcorn in our GE Spacemaker microwave. Now, everything works except for the heat. Panel works, light works, turn table works...no heat. Help pls.


Sadly popcorn kills more microwave ovens than peiple imagine. You can get an estimate on a repair but I believe you will probably decide in the end to replace it. Same exact thing happened to me............expensive popcorn!!

Jul 14, 2009 | GE Spacemaker JVM1640SJ Microwave Oven

3 Answers

Popcorn stain in Microwave


Uhhhmmm, paint? Inside a microwave? YUCK.... that would make food taste like paint.

The yellow stain from microwave able popcorn is most likely a permanant issue. I have heard of the vinegar water, bleach etc working, but never had it work for me.

I don't recommend you painting the inside of a microwave. Some paint is flammable. Almost all paints are toxic.

May 14, 2008 | GE JVM1650 1000 Watts Microwave Oven

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Will not pop popcorn without burning it


use Orville Rickenbacker ah you know who lol set it for five minutes when you hear it slow take it out works for me no the oven don't need repair popcorn's tough the best way i know to make popcorn is an electric skillet yum yum

Feb 16, 2008 | GE JEM31 Microwave Oven

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Microwave Turntable


Microwave popcorn gets VERY hot while cooking. Even though the turntable is made of temepred glass, intense heat applied in the same spot over and over can weaken the molecular structure of the glass. After so many expansions and contractions, it will crack because fatigue will cause some molecules to expand less than others, creating stress. This is yet another reason I recommend to my customers that they place the food off-center on the tray - not in the center. The oven also heats better when the food is off-center because the food is more thoroughly exposed to the microwave energy. Until you get a new tray, the photo below can help you.

Nov 15, 2006 | Jenn-Air JMV8208AAS Microwave Oven

1 Answer

Shuts Off after 22 seconds


Time to buy a new microwave as it sounds as if the control panel is defective. A new control panel for this micro will run about 95 to 120 bucks + labor depending on where you buy it. I happen to like slightly burnt popcorn as well!! Nothing wrong with thats, as they say great minds think alike.

Aug 25, 2006 | Panasonic NN-S933BF Microwave Oven

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