Question about GE Spacemaker JVM1640SJ Microwave Oven

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Microwave ran empty and has now overheated and quit altogether

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

Microwave Oven Basic Troubleshooting Tips

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Posted on Sep 29, 2010

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Posted on Jan 02, 2017

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I ran my fridgidaire microwave for 15 minutes while it was empty. Now it runs and sounds normal but will not heat food. Any suggestions?


take it in for a proper diagnosis
running a microwave empty for any period is detrimental to the magnatron and causes it to overheat and fail
a diagnosis is needed before a decision is made

Jan 22, 2017 | Microwave Ovens

2 Answers

Serial number 112Km00462. If overheated and power goes off .....is it safe to use when power comes back on?


The magnetron thermal protector probably shut the oven down. Magnetrons don't like it when their load impedance is too low (empty oven or popcorn) and they get quite warm. Operating an oven empty also shortens the life of the magnetron.

Aug 01, 2016 | In Microwave Ovens

1 Answer

Microwave run without anything in it-stopped working


Sadly it probably is fried . they tell right in directions , DO NOT RUN EMPTY

Nov 09, 2015 | In Microwave Ovens

1 Answer

My daughter wanted to run the timer on the microwave but accidentally ran the oven for 16 minutes. It overheated and blew out. Can this be repaired?


Your can be repaired, but it's generally not worth the cost. Running the oven empty usually destroys the magnetron tube which generates the microwaves. The tube is replaceable, but it's a costly part. And the repair should be done by a professional because of safety concerns. Between the cost of parts and labor, it's usually not much more (and sometimes even less!) expensive to buy a new oven.

While the kitchen timer feature of a microwave is handy, many people accidentally kill their ovens this way. You might want to pick up a small digital timer when you shop for a new oven. It's cheap insurance.

Jan 09, 2011 | KitchenAid Microwave Ovens

1 Answer

Does not heat. It would sometimes cook and sometimes not, until it quit cooking altogether


Sounds like the magnetron shorted out. This is the part that heats the food. Unfortunately, this part is almost more cost than a new microwave so I would recommend just getting a new microwave. If you would rather try replacing this part, you can order a new one from repairclinic.com and find one by searching with your model number. Let me know if you need anything else.
Benjamin

Nov 04, 2010 | KitchenAid KHHS179LSS Convection /...

1 Answer

Our Kenmore microwave started emitting odors and then quit


To figure out what is wrong with it, it will have to be removed from the wall, Then the top cover will have to be removed, then you can look for any swelled capacitors, burn marks on the circuit board or any shorted wires.
The power supply is most likely faulty . You can test the power with a voltmeter from power supply to main circuit board.

Oct 28, 2009 | Microwave Ovens

2 Answers

Unit is dead after accidentally running it empty.


If you ran it for that long with nothing inside, there is a good chance it self cooked.

It can probably be repaired. The economics of the repair is something you will have to judge for yourself.

To assist you, may i suggest you visit www.repairclinic.com and check on some major parts for your make and model. If the parts = more than 25% of replacement, I think id be moving on. Expect to pay a pro at least $100.00/hr labor. You should NOT do it unless you are skilled at handling delicate and lethal electronics. A microwave can kill. Another thing, after you fix it, you have a lot of $ invested and still have a old machine that ran for 13 + minutes empty.

Oct 13, 2009 | Microwave Ovens

1 Answer

I have a GE Microwave Model JVM1540LM2CS. It started making funny noises like a fan or gear grinding and then it quit working altogether. I have checked the circuit breakers in the house and have...


sounds like the mag fan went out and blew the internal fuse they are ceramic fuses 15 or 20 amp available at hardware stores ,if this blows again it could be the mag overheated,but the thermal breaker should have shut it off before this,thenit can also be your h.v. diode or capacitor shorted

Oct 10, 2009 | Microwave Ovens

1 Answer

Oven won't function after 5 minutes of cook time with nothing in


It's posible that since it was running empty, the magnetron overheated and a thermal cutout or thermostat located on the magnetron opened.

Magnetrons may be protected by a thermostat, which will reset when it cools, or a thermal fuse, which is a one-time use device. It is also possible that in some cases, a thermostat will fail when opened.

In the worst case the magnetron may be damaged due to running empty.

I hope this will solve your issue.

Good Luck.

If my solution proves useful please accept it.

Regards
Arjun

Apr 07, 2009 | LG LMV1630 Convection/Microwave Oven

1 Answer

Sharp microwave quit working


Obviously there was a serious short circuit in this unit which is not normally serviceable by anyone but a factory technician. Since this would not be cost effective, I suggest you replace the oven. New ovens are quite reasonable and have many great features.

Ray

Nov 23, 2008 | Sharp R-1490 Microwave Oven

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