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

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Seth Crosby

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The crackling (which sounded a little like a geiger counter) which I could hear when the oven was NOT running was coming from the speaker (where the beeps come from). I unplugged the oven, found the little speaker on the circuit board, yanked one of the wires off of it, and the crackling was be gone.

Posted on Jan 03, 2019

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Dave

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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

Posted on Oct 28, 2016

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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?

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They should be periodically checked, cleaned or replaced.
Contact Maytag for replacement parts.
Hope this fixes your noise.
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