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Microwave makes a crackling sound when I am using it

Everything is working on my microwave apart from your sound it makes. It is an elderly microwave

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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

Rattling, crackling type noise just started and is constant when microwave is running.


A couple of months ago my microwave started making crackling, rattling and grinding sounds everytime i used it and i thought it was going to break down. It turned out one of my children must have spillled or overflowed something with a clear liquid because the micro did not look dirty but there was a crunchy substance under the wheels of the turntable. Once i cleaned this up totally the noises all went away.

Jan 19, 2011 | KitchenAid KHMS155LSS 1000 Watts Microwave...

1 Answer

My microwave is making a cracking sound like if it had metal in it but i took everything out and its still making the cracking sound. What could be causing this sounds if microwave is empty?


A contaminated wave guide cover will crackle and spark.
They should be periodically checked, cleaned or replaced.
Contact Maytag for replacement parts.
Hope this fixes your noise.

Nov 27, 2010 | Maytag MMV5207AAS Microwave Oven

1 Answer

After a few seconds my microwave makes a crackling


check for scraps of foil, wire ties any type of metal or tin,or aluminumif not any of that, ur looking at a componet problem

May 23, 2010 | GE Spacemaker JVM1640SJ Microwave Oven

1 Answer

Microwave does not heat. Everything else works. What is the most common problem?


Disconnect power source. Take the case cover off. Inside you will find a high voltage fuse. This is probably your problem. Use safety current tools to avoid an earth shaking electrical buzz.
Elder

Feb 23, 2010 | Kenmore 66469 / 66462 / 66464 Microwave...

1 Answer

Turned microwave on this morning ,sudden crackle,then nothing.


Sounds like something has shorted out-blown. Unless it is a very expensive model it won't be worth fixing and is not something you should attempt yourself anyway. If under guarantee then get it repaired via the guarantee arrangements. No harm in checking the plug is wired properly but as the light and timer are working it is very doubtful it is a connection problem. I think you need to buy a new microwave!

Oct 03, 2009 | Electrolux EMS2487X Convection Microwave...

1 Answer

No Power


It sounds like the fuse blew inside the unit. It can be replaced, but you need to find out what caused it. There are also thermal switches that will turn off the unit if it overheats. They are called "snap discs" because they have only one setting and will shut the unit down to protect it.

If you aren't familiar with this kind of work, do not attempt repairs. Take it to an appliance shop. It could be anything and a competent appliance shop will tell you if it's worth fixing.

Mar 22, 2009 | GE Microwave Ovens

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