Question about GE Spacemaker JVM1640SJ Microwave Oven

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Not heating My microwave looks like it's working perfectly, but it's not heating anything. Any suggestions? Thanks.

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  • DRJones90 Jul 14, 2008

    My microwave stopped heating Saturday. every thing else seems to work fine. The fan runs, the turntable turns, the lights work. It just won't heat!

  • vkmunikoti Jul 17, 2008

    I have GE Spacemaker. Everything looks normal, but it is not heating.
    Please let me know the probable causes.


  • jd2sas Jul 17, 2008

    spacemaker does not heat , everything else works

  • phyll665 Jul 20, 2008

    Started on Saturday-Microwave has noo heat and also noisy when running.

  • Anonymous Jul 20, 2008

    Everything works but it does not heat anything

  • Anonymous Jul 22, 2008

    My GE Spacemaker XL 1400 stopped working last night. It appears to be heating the food--lite up, food spinning---but the food is still frozen when it is done.

  • dajsher Jul 31, 2008

    The same problem as the others, Everything works but it doesn't heat. Just started yesterday, July 30th

  • lkovach Jul 31, 2008

    Model JVM1542 is not heating. Light works, Turntable does not rotate, sounds like it is working. Thought it might reset by turning off at the fuse box... no luck. Suggestions?

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  • 958 Answers

It could be the magnetron, or the diode or the capacitor but mostly it is the magnetron..

tnx,

drcool

it would be better to call a professional when handling microwaves...

Posted on Jul 19, 2008

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1 Answer

My microwave is not hotting anything


Not heating can have three basic causes:

Diode used in most models fails.

Inverter board used in most models fails (it powers the Magnetron)]

The Magnetron itself which does the actual cooking can fail and may look perfect.

There are some lesser reasons but they require some testing.
12_13_2012_3_01_15_pm.jpgtypical microwave diode
12_13_2012_3_01_55_pm.jpgTypical Magnetron

Dec 13, 2012 | Russell Hobbs Microwave Ovens

1 Answer

Our microwave worked perfectly yesterday, today when we went to start it, everything was working but it never heated anything up at all. It is 5 years old


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

Microwave Oven Basic Troubleshooting Tips

heatman101

Sep 28, 2010 | GE JVM1440 Microwave Oven

1 Answer

Microwave works perfectly but does not heat


Sadly your microwave has done it's last cooking. The mechanism you need to make it cook again would cost you more than a replacement microwave.

Jul 15, 2009 | GE Countertop Microwave Oven

2 Answers

GE microwv-doesn't heat, strong electrical smell, all else ok


The most common problem would be your magnetron. Check your purchase date, magnetron's usually have a five year warranty. Not a part I recomend trying to fix yourself (high voltage ).

Mar 11, 2009 | GE Spacemaker JVM1640SJ Microwave Oven

1 Answer

No heat, does not cook


Q - The microwave makes a loud "hum or buzz" noise but will not heat up the food?
A - 9 times out of 10 this is usually this is a bad magnetron, the other time is sometimes a bad high voltage diode. See components section.
 
 
Q - My microwave is running and sounds like it is working but will not heat up anything.
A - Many thing can do this but, common things are....loose high voltage wire.....poor solder joint on board.....magnetron.....power relay.....
 
Q - The microwave display counts down and the inside light is on,  but nothing is heating and the fan is not running.
A - This most commonly is a bad door switch, other possible problems are a faulty relay or solder joint on the power module, but a bad door switch is most common.
 Q - My microwave went dead when I opened the door ( same problem as closed the door ).
A - This often is a stuck or faulty door switch and it has blown the interior microwave fuse.
 
 
Q - My microwave is completely dead.
A - House fuse has blown or interior fuse inside the microwave has blown ( usually a part inside the microwave makes this fuse blow ) Sometimes a bad fuse holder inside the microwave cannot hold the fuse tight enough and the fuse will blow as well. 
 
 
Q - The fan in my microwave oven is not running will this hurt my microwave?
A - YES, the fan cools the magnetron and electronics, take the microwave in for service, most fans are not too expensive to replace.
 
 
Q - My microwave blows the fuse inside itself as soon as I push the start button.
A - Usually a shorted high voltage capacitor...see components section.

Mar 01, 2009 | GE Spacemaker JVM1640SJ Microwave Oven

1 Answer

GE Spacemaker JVM1533WD turntable sometimes works, mostly doesn't


The part with the three rollers that holds your turntable needs to be replaced if you want it to turn. That plastic and those rollers get cooked over time like everything else. The microwave is designed to basically cook with the moisture in anything placed inside the microwave. Those rollers have probably become warped enough so they don't roll properly when heated and that is why they do work somewhat after a night of nonuse. You may be able to find one at a local repair shop for almost nothing. Those parts are pretty generic. Even at a garage sale or flea market. Other than buying from a local dealer you can go on the internet at www.mwoparts.com and get any part for the microwave. Good luck and God bless you.

Jan 26, 2009 | GE Spacemaker JVM1640SJ Microwave Oven

1 Answer

Microwave wont heat


The manual says "while in standby mode, press and hold the '3' key on the keypad for 3 seconds until 2 tones sound and the 'DEMO' icon appears. Repeat to turn demo mode off."

You can download a copy of the manual here:

http://shared.whirlpoolcorp.com/assets/pdfs/literature/Use%20and%20Care%20Guide%20-%208206572.pdf

Jan 13, 2009 | Whirlpool MH7140XF Microwave Oven

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