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Posted on Nov 27, 2010
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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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  • Posted on Nov 27, 2010
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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.

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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.

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