Question about GE JVM1340AW/BW/WW Microwave Oven

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My Micro wave will not heat food.

Whirlpool 1 1/2 years old

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Re: My Micro wave will not heat food.

Pretty new microwave to be having magnatron problems, better take it in to a serviceman.

Posted on Dec 31, 2007

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Micro wave runs but does not heat food??

The most likely cause is a defective magnetron "heats food" if the microwave oven is more than five years old consideration should be given to replace because of the cost involved.

Mar 04, 2012 | GE Microwave Ovens

1 Answer

Will not heat

If everything else is working fine, the magnetron is the likely problem, "heats food and is the heart of the microwave oven" if more than five years old cheaper to replace the whole item.

Mar 02, 2012 | Whirlpool Microwave Ovens

1 Answer

My microwave starts however food does not heat up.

Micro wave as the name suggests produces heat when the micro waves aimed at an object causes the water molecules inside the object to vibrate hence producing heat.The gadget responsible is the magnetron. If your magnetron is not receiving ht voltage or receiving but faulty, then your micro wave wont work please take precaution when opening micro wave due to high voltage caps that remain charged sometimes even when it is off.check the high voltage fuse/ diode and capacitor if they are fine and the step up trans former o.k then the only option is to replace the magnetron

Aug 02, 2010 | GE JVM1790 1000 Watts Convection /...

1 Answer

Not heating

If the micro is over 5 years old you may need to buy a new one.

Jun 12, 2010 | GE Spacemaker JVM1640SJ Microwave Oven

1 Answer

The microwave stopped heating the food. Power

The light inside the micro wave needs to be replaced most have a door on the back side that yo can remove the screw and unscrew the bulb and take to a applince shop and purchance a new one to replace.

Jul 16, 2009 | Whirlpool GH4155XP Microwave Oven

1 Answer

How do i change the lightbulb in a Kenmore Microwave

a microwave that is that old should be replaced!! period... for your safety... that old ,will leak micro waves into your kitchen..truly! not safe

Mar 15, 2009 | Microwave Ovens

1 Answer

Boiling waer under micro wave lots of steam into micro wave, turn on micro wave ,pop noise like glass miro wave comes on louder hum than normal no heat

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 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 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.

Mar 03, 2009 | Amana Radarange Microwave Oven

1 Answer

I have a JVM1603BJ03 space saver micro wave. The turn table cracked in two, the plastic support device to turn the glass table has desenigrated into several small pieces. It appears the micro wave is...

Do you cook a lot of popcorn?

Do you place your food items in the center of the turntable as opposed to placing them off-center?

Both can cause repeated heating of the same spot on the turntable, which can stress it and allow it to crack.

You can buy replacement parts here.

I suggest that when you cook popcorn, place a paper plate or two upside-down under the bag and always place your food items off-center on the turntable tray.

Once you have the new parts, I would suggest at least a quick heat test. That is to heat one cup of water on high and it should boil in about 2 to 2-1/2 minutes.

If you would like to perform a more standard heat test, please see my Ask Mr. Microwave page.

If your magnetron is indeed running too hot, then it is probably dying. Sometimes - like a star - they can burn hotter right before they die.

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

Jul 04, 2008 | GE Microwave Ovens

3 Answers

GE Over range microwave, JVM1660

This just happened to ours as well. Apparently the magnetron (device that creates radio waves that heat the food) is broken. I'm trying to pry the darn thing out of our kitchen now so I can replace the magnetron. Look for this part WB27X10489 on Google. I found it on ebay for $65. If it fixes the problem I'll post again.

Aug 18, 2007 | GE JVM1660 Microwave Oven

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