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Hi. Our Kenwood microwave had begun making crackling noises this happens even when the plug is removed from the wall socket. Is it dangerous...fire risk?...radiation risk?

Posted by KJermy on


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Thomas Aldrin Nullas

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Check ur wall socket maybe loose contact..

Posted on Sep 20, 2014


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William Miller

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SOURCE: GE JVM1650SH Stainless Steel 1000 Watts Microwave Oven?

It sounds like you may have had an issue with a high voltage part such as the magnetron, diode, or transformer. It's also possible that you had an arcing stirrer. I would also check to see if your model is covered by / affected by this bulletin: http://microwavedisplay.com/ge_mw_mag_kit_bulletin.pdf If you or a friend decide to work on it, we have *critical* safety & disassembly info at our site, which is linked at our listing here on FixYa: http://tinyurl.com/yzjozk You can find helpful exploded view diagrams and order parts by entering your full model number (without the suffix) here: http://tinyurl.com/gv383

Posted on Apr 29, 2007


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Hi, we have an electrolux builtin microwave.when on standby it occasionally makes a crackling noise not unlike a laptop or storage device when it looks for data. Microwave runs fine otherwise

You really need to be sure it's not running by itself - even intermittently - because that can cause arcing damage, or even a fire.

If you're not sure, leave the door open or the oven unplugged until you're sure it's not or it's fixed.

You can keep a cup of water in it and check it hourly over the course of a day to see if it coming on and actually heating.

It really shouldn't make any noise when idle except a gentle 60Hz hum.

For more free DIY and other help & advice, feel free to contact me via my site.

Please include FULL model number*, FCC ID number*, + detailed symptom information.
* on the tag in cooking cavity or around door frame or control frame or on back

William E. Miller, AS-EET
Microwave Oven Control Panel Repair Nationwide
"Recycling by repairing since 1982"

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.

If you need further help, I’m available over the phone at https://www.6ya.com/expert/david_29ad5d1dd86564b0


The coating on the bottom under the turntable is peeling off and there is a crackling noise and more peeling going on if

Please stop using and discard, it can be very dangerous to use it like this, fire, explosive, poison hazzard

Sharp R-1880-L microwave convection oven, year built 2007. Is there a repair manual for this unit. I have power to unit, no indication of power in unit. no lights no display, I figured it was a main fuse....

Any repair on any electrical appliance should be done with the plug removed from the power socket. Microwave ovens are dangerous and has been known to kill people. Rather be safe than sorry. If a fuse is suspected, make sure to unplug first. It should be discharged as it can, even after switching off, cause a very nasty shock.

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

Turntable has ceased to function when oven is on. Is it dangerous to use like this?

Not dangerous, but your food will not be efficiently or evenly heated. To change the motor do the following:-

There is a panel under the microwave, held on by one or more screws. Remove it and you will see the synchronous motor inside. There should be a plug to disconnect the wires. Remove the motor and fit a new one. Ensure that the microwave is disconnected from the wall outlet before attempting any work on it.

How to dismantle for cleaning

Don't dismantle anything on a microwave. It is an extremely dangerous appliance, even after the plug has been pulled out of the wall socket. There are commercially available microwave oven cleaners. Whatever you cannot reach and clean with that is best left well alone.

My microwave oven heats, but makes strange crackling noises. Is it allright to keep using the unit?

No. Please have it checkd as it is dangerous to let the high voltage jump along side the magnetron. This will eventually result in the failure of the magnetron with a possible damage to the circuits.
So open and check if there is any foreign particles/insects struck within , Is the insulation damaged or remove the magnetron and clean the uni , clean the cabin specially if food haas accidently got spurted inside, dry the whole unit after cleaning before you fix back the magnetron.
The microwave must now work without crackling or else if the spark is seem near the magnetron , it must be replaced.
Hope this advice helps.
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