Question about GE Spacemaker JVM1640SJ Microwave Oven

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Not heating Microwave will turn on and be warm inside but will not heat water or food.

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

Basic Microwave Oven TroubleshootingTips

heatman101[p[p]

Posted on Mar 27, 2011

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Posted on Jan 02, 2017

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2 slices of bread wrapped in paper towel microwave set on defrost set 35 seconds caught fire


Microwaves work by friction. They blast water molecules in the food so they move fast, just like rubbing your hands together makes them hot. Some types of microwave in defrost mode actually apply FULL POWER for a short period of time so to make the product warm to the touch. This heat then penetrates down to the core of the food, ensuring full defrost. In your case the heat was sufficient enough to heat the dry paper towel to set it on fire.
Bread is better defrosted on the low power setting as sliced bread is very thin. Items should only be defrosted on the defrost setting that are thick and need to be completely defrosted on the inside. Remember microwaves only penetrate the surface of food, making that hot. Thermal conduction does the rest.
You should never use paper towels in a microwave unless the instructions for doing the food say so. You wouldn't put a paper towel in a gas or electric oven, so don't put them in a microwave.

Feb 18, 2016 | In Microwave Ovens

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Microwaves and how they work. ­T­he microwave oven is one of the...


Microwaves and how they work.

Caption
--> ­T­he microwave oven is one of the great inventions of the 20th century -- millions of homes in America have one. Just think about how many times you use a microwave every day:


Caption
-->
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­You're running late for work, so there's no time to fix breakfast at home. On your way to the office, you stop to gas up your car. Inside the quickie-mart, you grab a frozen breakfast burrito and pop it in the microwave on the counter. Later that day, you have to work through lunch. By 3:00 p.m., you're starving, so you grab a snack-pa­ck of microwaveable popcorn from the vending machine and pop that in the break-room microwave. That night, after a really long day at work, you're simply too tired to grill out, so you dish up last night's lasagna and heat it up in the microwave...
As you can see, microwave ovens are popular because they cook food in an amazingly short amount of time. They are also extremely efficient in their use of electricity because a microwave oven heats only the food -- and nothing else. In this article, we'll discuss the mystery behind the magic of "meals in a minute" with microwave cooking.

­A m­icrowave oven uses microwaves to heat food. Microwaves are radio waves. In the case of microwave ovens, the commonly used radio wave frequency is roughly 2,500 megahertz (2.5 gigahertz). Radio waves in this frequency range have an interesting property: they are absorbed by water, fats and sugars. When they are absorbed they are converted directly into atomic motion -- heat. Microwaves in this frequency range have another interesting property: they are not absorbed by most plastics, glass or ceramics. Metal reflects microwaves, which is why metal pans do not work well in a microwave oven.

Microwave cooking ­You often hear that microwave ovens cook food "From the inside out." What does that mean? Here's an explanation to help make sense of microwave cooking.
Let's say you want to bake a cake in a conventional oven. Normally you would bake a cake at 350 degrees F or so, but let's say you accidentally set the oven at 600 degrees instead of 350. What is going to happen is that the outside of the cake will burn before the inside even gets warm. In a conventional oven, the heat has to migrate (by conduction) from the outside of the food toward the middle. You also have dry, hot air on the outside of the food evaporating moisture. So the outside can be crispy and brown (for example, bread forms a crust) while the inside is moist.

In microwave cooking, the radio waves penetrate the food and excite water and fat molecules pretty much evenly throughout the food. No heat has to migrate toward the interior by conduction. There is heat everywhere all at once because the molecules are all excited together. There are limits, of course. Radio waves penetrate unevenly in thick pieces of food (they don't make it all the way to the middle), and there are also "hot spots" caused by wave interference, but you get the idea. The whole heating process is different because you are "exciting atoms" rather than "conducting heat."
In a microwave oven, the air in the oven is at room temperature, so there is no way to form a crust. That is why microwavable pastries sometimes come with a little sleeve made out of foil and cardboard. You put the food in the sleeve and then microwave it. The sleeve reacts to microwave energy by becoming very hot. This exterior heat lets the crust become crispy as it would in a conventional oven.




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on May 07, 2010 | Microwave Ovens

1 Answer

Runs but does not heat the food.


Microwave Not Heating Troubleshooting Guide - YouTube

? 2:45
https://www.youtube.com/watch?v=_3SbJueEn1w
Aug 31, 2012 - Uploaded by Repair.com
Allow the circuitry to dry out by avoiding stovetop cooking for a few days. .... it to microwave, but its just not warming up myfood at all, any idea on how i can .... Everything works except themicrowave- it wont heat anything up.

Microwave Diagnostic - Has Power Not Heating - GE ...

? 2:34
https://www.youtube.com/watch?v=E_iUYIV8wD0
Aug 9, 2013 - Uploaded by ApplianceVideo.com
Microwave Diagnostic - Has Power Not Heating - GE, General ....internals of a similar GE Microwave unit that would not heat food.... Sometimes it turns on, sometimes it doesn't. .... My GE microwave space saver does not heat but it comes on. ... What's Inside A Microwave Oven (Teardown / Taken Apart) ...

Nov 18, 2015 | Microwave Ovens

1 Answer

Whirlpool microwave have power, not heating up food or water


The problem is most likely the magnetron, or the inverter board, "7years old or less" and possibily the keypad control board.

May 02, 2012 | Whirlpool Microwave Ovens

1 Answer

The Microwave is heating up and appears to function normally. But food is not getting heated or cooked up despite any tempearture and power setting. Even water is not getting heated up and butter not...


If you can't get the food warm or hot, the problem is usually that the magnetron has gone bad. It's an expensive part to replace compared to the price of a new oven.

Jan 04, 2010 | LG Microwave Ovens

1 Answer

It's not getting heat and LCD looks like there's water inside.


On most Sharp Carousel Microwaves, the display stops working after time. As for the not getting any heat, the magnetron or the high voltage transformer may not be working.

Jul 04, 2009 | Sharp R-510HW Microwave Oven

1 Answer

GE turn table microwave stopped warming food


my microwave 1640GB from GE suddenly cannot heat food and make some noisy sound. as it is mounting in the closet, it is not easy to replace. any solutions or suggestion

Mar 18, 2009 | GE Spacemaker JVM1640SJ Microwave Oven

1 Answer

Does not "heat" food.


The Microwave Magnetron or power circuit break down . You need to replacement the parts .
Good luck

Sep 30, 2008 | Emerson MW8102SS 1100 Watts Microwave Oven

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