Question about GE Spacemaker JVM1640SJ Microwave Oven

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Motor sounds differently, smells like something is getting hot, won't heat the food

Motor sounds different, smells like something is getting hot, won't heat the food

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  • HELGUERA Dec 06, 2007




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Do you have good air flow coming out of the vents?

If for some reason the cooling fan stopped working, it can cause the magnetron to overheat and be damaged.

If you don't still have your manual, you can download it here:

It will address ventilation issues.

Please write back with more details if you need further help.

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

Posted on Dec 06, 2007


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From the description you have provided, the magnetron has shorted. This a job for a professional because there is lethal voltages present that will kill.

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I have Danby microwave, the food does not heat and there is smells like some thing is burnt. I have opened it and the high voltage transformer does not look burnt.

What is happening is that the magnetron is shorted, causing the high voltage transformer to overheat. That is what you are smelling is the insulation getting hot. When the magnetron shorts out, it makes a loud buzzing sound. Replacement magnetrons costs almost as much as a new oven so it rarely makes sense to fix.

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I placed food in the microwave over to heat for 19 seconds, when it was finished I smelled smoke coming from the oven. The food was fine. I unpluged the oven. I tried it a couple of days later, it...

the smoke probably came from the heated food. try using it next time with different kind of foods and also try it to the same kind of food that produces smoke but observe carefully what will happen.

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I have a ge spacemaker XL1400. It was manufacture

it sounds to me like the magnetron is shot in it. this is the part that creates the heat. not worth repairing on a 10 year old unit. Sorry.

Nov 08, 2009 | GE Spacemaker JVM1640SJ Microwave Oven

1 Answer

GE Spacemaker microwave won't heat food

hello kmwnky,
You say that Everything went out at first ( which I assume means that all functions went dead) and then functions started to operate again later... if that is correct and you smelled something burning.. you may have a thermal fuse that failed, filament transformer that failed, magnetron tube that failed or a highvoltage capacitor that failed.. None of these components are something the untrained person should attempt to trouble shoot or replace since there are dangerous energies stored inside the electronics compartment even after power is removed.. Your Micro is > 8 years old and it's probably not worth the cost of repairing at this point. You'd be better served replacing it.. The cost to repair would exceed the cost to replace.. ( I feel like the grim reaper here..sorry..)

Nov 28, 2008 | GE Spacemaker JVM1640SJ Microwave Oven

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Makes loud hum and faint smell when turned on

It sounds like your magnetron failing.

If a fuse were blown, it would be totally dead with no lights, no display, etc.

Keeping it out of the landfill a while longer by getting it fixed is always an option.

If it's within the magnetron portion of the warranty (usually 5-9 years) but out of the original full warranty (usually 1 year), then your manufacturer will cover the part cost, but not the cost to visit you or the labor charge to do the work.

For Goldstar / LG / L.G. help, call 1-800-243-0000 (M-F, 7am-8pm CT, Sat 8-5 CT) and choose the appropriate prompt from the menu or visit here.

We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.

Nov 20, 2008 | Goldstar MV-1501 Microwave Oven

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Kenmore microwave wont heat food

I would suspect you have a failed high voltage transformer or maybe magnetron.

If you or someone you know wants to look into this, we have critical safety, disassembly, and troubleshooting info at our site, and our link is at our listing here on FixYa:

You can usually find exploded views and part prices by entering your FULL model number here:

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

May 30, 2008 | Microwave Ovens

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