Question about Maytag M3DH30B2A Dehumidifier

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Compressor not working

Our compressor was not working so I looked on your website for hints and we did a few of them. Finally we uncovered the defrost switch from the black putty and tapped it a few times and the compressor began to work. We put it all back together and of course it won't work now. Any suggestions?

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  • Anonymous Apr 12, 2008

    It keeps running, but no water is collected.

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1 Answer

I got it!
Just put the defrost switch away. Maybe it's out of order, and reports a wrong temperature. Or go to get a new one.

Posted on Apr 13, 2008

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1 Answer

Unit keeps trying to run, but stops, then trys again. this happens 2 or 3 times until unit finally starts.


Hi, The compressor is taking a few tries to start...the capacitor is probably bad...this does not give the compressor the kick it needs to get started...
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Here is a tip that I wrote to help people to figure out what is going wrongwith their dehumidifier

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1 Answer

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The compressor is located in the rear bottom on the right side looking at the machine. After you press the start button and the blower fan comes on, bend over near the back of the unit and listen for the "click".

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1 Answer

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I just picked one up at a tag sale, seller said it worked sometimes. Seems to have the same problem as yours. I took the time to tweak all of the connections and then re-soldered the control board with no luck. I finally disconnected the humidity control and it worked fine. By disconnecting the humidity control the unit defaults to it's highest setting and you have to unplug the unit to turn it off. Conclusion so far is that the humidity control rheostat is bad.
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3 Answers

Compressor is not working


Try gently tapping the compressor a few times -use a wooden stick or similar to avoid damage -sometimes that is all that's needed. There are however many other possible reasons for a compressor not to start - most have their own fuse/controller assembly (sometimes this is very obvious inside the case, often a car spade type fuse which is worth checking visually), and there are cut-outs that will stop the compressor if it is low on gas, although usually it will start first for a few seconds if this is the case. Sorry, but the (www.maytagair.com) website is down at the moment, but try it again later and you should find their troubleshooting and support is good. Hope this helps :)

Mar 03, 2007 | Maytag M3DH30B2A Dehumidifier

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