Microwave will not heat food

Question 1

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I have a GE Spacemaker Over-The-Range Microwave Model #JVM1533WD002 that has worked perfectly for 10 years. Now everything still works, except it doesn't heat the food. Where is the fuse located and how...

A common symptom of a failed magnetron is a failure to heat with everything else (magnetron fan, stirrer, timer, etc.) working fine. Check the GE manufacture date for the unit on its nameplate to determine the age of the magnetron. For GE models of the past, magnetrons had a 10 year parts replacement warranty. Magnetrons can be expensive, so you need to weigh all your options, i.e., repair versus replacement, before you commit to one solution.

Oct 04, 2013 • GE Spacemaker Over-the-Range Microwave

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My Whirlpool microwave model MH6130XEB-1 made a pop noise and now will no longer heat food. Everything else works fine, clock, timer, fan, turn table, etc. Is this a fuse problem?

It can be the fuse supplying the magnetron, or the magnetron itself which has failed. Another suspect is the high voltage capacitor in this circuit.

Don't try to fix this yourself as the internals of a microwave are dangerous, with high voltages even when unplugged.

Aug 27, 2013 • Microwave Ovens

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My over the range whirlpool microwave does not heat up food.

Be the first to answer Jul 21, 2017 • Whirlpool WMH2175XVQ Microwave Oven

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My microwavedoesn't heat is there a fuse that may be blown

No! the fuse is fine, there are three likely causes, magnetron, "heats food" cracked high voltave diode, or a shorted high voltage capacitor.

Mar 24, 2012 • Whirlpool MH2175XS Microwave Oven

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My Goldstar MV1608 stopped rotating and heating food yesterday. All other functions seem to be operating such as the light, fan, panel, etc. It is 18 months old. How can I fix it?

If there is no heating it is possible that the MAGNETRON has failed provided there is supply feed to the unit when the microwave is powered. Normally the magnetron along with the fan and light comes on when the microwave power is triggered. So since the rotation is absent it is possible that there is no power feed from the processor board which can be related to a driver failure. You need to check the output from the PROCESSOR to confirm and pinpoint the defective component. Check the relay to the magnetron trigger as this can be a suspect.

Oct 24, 2011 • LG MV1608WW Microwave Ovens

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Hi ihave a lg intellowave sensor 1600w microwave model no. ms-344dps, the problem is that it will not heat, cook or defrost, all other functions appear to be working fine such as base plate rotating and...

Be the first to answer Mar 14, 2011 • LG Microwave Ovens

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Lights, Fan works but it doesn't "nuke"

Your magnetron may be shot. Best to go shopping. Not many repairable parts on a microwave. Plainly, it's more expensive to have iy checked out.

Aug 14, 2009 • LG MS-0744Y Microwave Oven

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Microwave won't heat, already tried replacing fuse. Timer, fan, clock work.

In all probability, the magnetron has died. The magnetron is the part that creates the microwaves that cook your food. Magnetrons are usually covered under a 5- or 10-year warranty and replacing them yourself can be pretty dangerous. I'd suggest you call a technician.

Jul 17, 2009 • GE Microwave Ovens

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Doesn't heat

Sounds like the magnetron has failed possibly. 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

Apr 24, 2009 • Microwave Ovens

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Microwave will not heat food

Found this under Maytag instead of LG, but will be happy to help.

Generally, the most common causes of a failure to heat are:

- bad door switches or door switch mounts
- loose connection at the magnetron
- problem or loose connection on the control unit circuit board
- bad magnetron or other high voltage part

If you or a friend decide to look into it, we have critical safety information, info on door switch diagnosis and replacement, and disassembly information at our site, and our link is at our listing here on FixYa: http://tinyurl.com/yzjozk

Magnetron diagnosis is here: http://gallawa.com/microtech/mag_test.html

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

Dec 08, 2007 • Maytag MMC5000 Microwave Oven

Question 2

William Miller

Maytag Master 9,179 Answers
Posted on Apr 23, 2008

William Miller

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Joined: Sep 15, 2006

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Generally, the most common causes of a failure to heat are:

- bad door switches or door switch mounts
- loose connection at the magnetron
- problem or loose connection on the control unit circuit board
- bad magnetron or other high voltage part (such as a shorted diode)

If you or someone you know decide to look into it, we have critical safety information, info on door switch diagnosis and replacement, and disassembly information at our site, and our link is at our listing here on FixYa: http://tinyurl.com/yzjozk

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

http://www.microtechfactoryservice.com
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

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

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Microwave will not heat food

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I have a GE Spacemaker Over-The-Range Microwave Model #JVM1533WD002 that has worked perfectly for 10 years. Now everything still works, except it doesn't heat the food. Where is the fuse located and how...

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I have a GE Spacemaker Over-The-Range Microwave Model #JVM1533WD002 that has worked perfectly for 10 years. Now everything still works, except it doesn't heat the food. Where is the fuse located and how...

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Microwave will not heat food

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William Miller

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Related Questions:

I have a GE Spacemaker Over-The-Range Microwave Model #JVM1533WD002 that has worked perfectly for 10 years. Now everything still works, except it doesn't heat the food. Where is the fuse located and how...

My Whirlpool microwave model MH6130XEB-1 made a pop noise and now will no longer heat food. Everything else works fine, clock, timer, fan, turn table, etc. Is this a fuse problem?

My over the range whirlpool microwave does not heat up food.

My microwavedoesn't heat is there a fuse that may be blown

My Goldstar MV1608 stopped rotating and heating food yesterday. All other functions seem to be operating such as the light, fan, panel, etc. It is 18 months old. How can I fix it?

Hi ihave a lg intellowave sensor 1600w microwave model no. ms-344dps, the problem is that it will not heat, cook or defrost, all other functions appear to be working fine such as base plate rotating and...

Lights, Fan works but it doesn't "nuke"

Microwave won't heat, already tried replacing fuse. Timer, fan, clock work.

Doesn't heat

Microwave will not heat food

Not finding what you are looking for?

UMV1152BAS Microwave Oven

I have a GE Spacemaker Over-The-Range Microwave Model #JVM1533WD002 that has worked perfectly for 10 years. Now everything still works, except it doesn't heat the food. Where is the fuse located and how...

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