Question about GE JVM2050 Microwave Oven

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JVM2050 Doesn't cook food sometimes

In the last few days, JVM2050 microwave heats intermittently (fan, light, etc always work, just the heating is intermittent). Is this a bad magnetron? Can I replace it myself or do I need to hire someone? Microwave is only a couple years old.

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Over several years of repairing microwaves, I have found a number of
magnetron tubes that were intermittent. Generally, though, the problem is more likely to be a door switch, upper or lower, not middle. An electronic circuit board is also a possibility. High voltage rectifiers sometimes become intermittent, but I've seen only one case per 1000, or so, ovens in for repair.

Posted on Apr 21, 2013

Not the magnetron if intermittent. Probably a bad smartboard. Easy to replace if you know the basic precautions to take.

Posted on Mar 29, 2008

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Exterior of oven , top and both sides gets very hot to touch, when cooking +- 10 minutes or more the last couple of days; no Error ( E41/42/45 or 47 are being displayed. Fan is normal, functions: OK


There could be food or oil buildup around the door frame which will absorb some of the radiant and microwave energy whilst cooking. Give it all a good clean and see if that helps. If everything else is working properly, it may be a problem with the cooling fan. Microwave ovens have a "stirrer fan" inside the roof or rear of the cooking area to disperse the microwaves and some convection / microwave ovens also have a cooling fan which assists in dissipating heat within the cabinet.

Jan 04, 2016 | Microwave Ovens

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DANGER WARNING! Potential Hazard if your microwave was working and now doesn't...


If you have this model microwave and it was working fine, then one day it stopped heating items placed inside there are a handful of different issues that could be the problem. In my case it was intermittent, over a period of a few days it would sometimes work (heat) and sometimes not. NO MATTER if this is what your's is doing or if it stopped heating all together. If you decide to let it dry out, or not use it for a while to see if it was a one time occurrence, or whatever the reason, the first time you put something in and probably for the next 10 times at least (this assumes it starts to work again), make sure you are right there with it while it is cooking. Don't assume you can put something in, go do something and come back when the timer is beeping. There is a chance (as this happened to me) that your food inside will CATCH FIRE! Normal food item placed inside, no metal, nothing different than the numerous times before when this had been cooked but when we smelled smoke we came running. Fortunately it started and finished inside the microwave but that's not a guarantee, it could spread. Play it safe. Never had a problem like this before and never heard of a microwave cooking something until it caught on fire (especially since the time entered for the cook was 30 seconds) but it did.

on Sep 23, 2013 | GE JVM1850SMSS Microwave Oven

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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

My microwave intermittently fails to heat the food. Unit runs and lights up but does not heat up food. Microwave is 4 months old. Problem just started a few days ago. tried every combination of buttons,...


Hello there:
It sounds normal, but there's no heat When the microwave sounds okay, but there's no heat, one of the internal door switches, the high voltage circuitry, or the circuit board may have a problem. To resolve this problem, you need the assistance of a qualified appliance repair technician.

Many over-the-range microwave ovens suffer from intermittent problems caused by excessive moisture from the range/stove entering the microwave cabinet and collecting on the circuitry. Often the problem is with one or two simple connections that may need tightening or soldering. But, to repair these components, the microwave cabinet needs to be opened. So we recommend that you seek the assistance of a qualified appliance repair technician.

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1 Answer

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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.

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Have GE JVM2050 over the range microwave, which stopped heating food and water since this morning. All other functions including light, key pad, clock, turntable work normal. The magnetron sound also


if everything works except the heating, it is most likely the mag tube is on its way out.........that is the most common reason for it not too cook.......since the microwave is a GE and it is 3.5 years old, i would say you are better off buying a new microwave, the mag tube starts at around $70.00 and up + the labor it costs too have a service person put it in........around another $60.00

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IT COULD BE A NUMBER OF THINGS RANGING FROM DIODES TO CAPACITORS TO YOUR MAGNATRON OR THERMOSTAST OR TRANSFORMERS. IT'S DIFFICULT TO DIAGNOSE WITHOUT SEEING THIS MICROWAVE. YOU MAY BE BETTER OFF GETTING YOURSELF A DIFFERENT ONE.

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This is a sure sign that the MAGNATRON needs replaced (this is what heats up the food) if every thing else works but food not cooking! 99% of time it is the magnatron!
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hey! you told that everything working in your microwave oven! inside the microwave oven! transformer only producing heat! that transformer only fault in your oven! try to repair or change the transformer!!!!!!!

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