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Ge micorwave JNM7196 making humming noise


Could you post the full model number from the tag on the wall of the cooking cavity?

And when does this hum occur? Is it when it's setting still plugged in but not operating, or only when it's cooking, or only when the door is open?

Contact me at microwavecontrol.com if you prefer. I'm happy to give free advice.

Jan 22, 2017 | GE Microwave Ovens

1 Answer

Is it normal for a microwave to make crackling noises when standing and not in use but plugged in ?


A microwave in standby mode should not crackle. There might be a slight humming sound from a transformer, but that should be all the noise it makes. You could have a transformer or control panel component that is failing.

Oct 28, 2016 | In Microwave Ovens

1 Answer

My JES636WK01 microwave heats up but it makes a loud humming noise. I suspected the Magnetron and disconnected it. The microwave was then operated and the n oiuse was the same. Do you have any ideas


Disconnect the HV transformer leads from the magnetron and the capacitor. Make sure none of the wires are touching the chasis or other parts. If the loud humming sound is still present, it is the High Voltage transformer making the noise. If the noise goes away, it is the High Voltage Capacitor going bad.

*MAKE SURE TO UNPLUG UNIT BEFORE TOUCHING ANY OF THE HIGH VOLTAGE LEADS! ALSO, DISCHARGE THE CAPACITOR BY SHORTING THE TWO SIDES AGAINST EACH OTHER!

Apr 15, 2011 | General Electric Microwave Oven

1 Answer

Our KitchenAid microwave works well, heats food, etc., but makes a constant loud and annoying humming noise (close in frequency and tone to the hum of cold fluorescent tubes) even when not in use. When...


hi it could be a bad neutral connection on your plug or inside on your high voltage transformer check the plug for burning and try plugging it in a different socket

Mar 17, 2011 | KitchenAid KHMS155LSS 1000 Watts Microwave...

2 Answers

Makes a humming noise wont heat


If its making a humming noise, that means the diode is bad and should be replaced. Once replaced the microwave will begin to heat again.

Feb 11, 2011 | Kenmore 62622 Microwave Oven

1 Answer

Magnatron suddenly making more noise. Much louder


Often over the years the Transformer laminations can loosen, from the on/off rising and collapsing magnetic fields, and then they sorta hum louder. I suspect this is what is going on. Shouldn't be too much of a worry.. keep an eye on it tho.

Jan 20, 2010 | GE JVM2070 Microwave Oven

1 Answer

It is making a humming noise but not heating.


sounds like a crack in the magnetron
a bad transformer
or a bad rectifier
sorry i cant be more help

Oct 10, 2009 | Maytag MMV5100A Microwave Oven

1 Answer

GE Microwave making loud humming noise


humming sound is your magneto going out Dont have any idea of the cost for replacement however it may be cheaper to purchase another microwave than to repair this one. Good Luck

Dave

Jul 16, 2009 | Microwave Ovens

1 Answer

Loud humming noise


If all of your door switches check out, replace the magnatron, capacitor, and diodes.

Oct 27, 2008 | KitchenAid KHMS145KSS Microwave Oven

1 Answer

I replaced the light bulb, now it displays -F6- and pushing any button causes a humming noise.


I left the unit unplugged over night, plugged it back in the next day and still had the same problem.

Oct 13, 2008 | Roper Microwave Ovens

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