Question about Maytag M7DH65B2A Dehumidifier

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Bad humitidy senser?

Says humitidy is 20% and will not kick on.The unit is on a boat and I know the humitidy is higher than that.

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Replace the humidity stat on water 100 percent

Posted on May 08, 2008

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I have a danby dehumidifer model number DDR6011R It keeps saying the humidity is only 30..(Which I know it's higher) so the compressor isn't kicking on. Help??


It sounds like the humidistat sensor failed on the unit. You'll need to replace that sensor to be able to get the unit operational again

Sep 10, 2016 | Danby Dehumidifiers

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How do I add oil to fan motor


well 1st remove power plug from outlet
next remove cover of unit and locate the cooling fan
its about ten inches round and has blades on it kinda like a motor boat prop , in the center theres a shaft and then a motor , it's most likely a open frame type (has no cover to it) there are two brass bushings one on front and one on back put 3-4 drops of oil into each ones center, and spin fan with your hand several times to work oil in, wipe up any that runs out , put cover back on and run it normaly

Nov 13, 2014 | Dehumidifiers

1 Answer

Coils freeze up. completely blocked. have to shut off to thaw coils. located in basement.


After the unit is totally thawed and dried, turn the unit Off if you haven't already and unplug it. Remove the filter and clean it. If it's really dirty wash it with warm water and dish washing liquid, thoroughly rinse it and allow it to completely dry, before reinstalling. DO NOT operate the unit without the filter in place.

Because the air temperature in a basement is colder at floor level, than at shoulder level, this caused the coils to freeze. Dehumidifiers do not work well at temperatures at or below 60 degrees F. That is, unless, it's a Low Temperature model, designed especially for basement applications. Obviously, yours isn't a Low Temp model.

To overcome this, place the unit up on a sturdy table, counter top, etc, that can handle the weight of the unit, as well as a full bucket of water. The higher off the floor the better. This way, the ambient operational temperature will be higher and the coils will have less of chance to freeze again.

I would suggest that continue to monitor the unit and if you notice that it's doing more than a little frosting on the coils, turn the unit OFF immediately. A little frosting is normal and the deforst mode should kick in and thaw the coils. When this happens, the compressor should automatically shut OFF, but the fan will continue to run. Once it's defrosted, the compressor will start again, if necessary.

I hope this helped you to troubleshoot and solve the problem. Please let me know.

Jul 19, 2011 | Whirlpool AD50DSL Dehumidifier

1 Answer

I have a GE AHH50LMG1 dehumidifier. It is less than 2 years old. When I turn it on, it displays 20% RH. The fan runs but the compressor does not kick in. I assume that is because it thinks the humidity...


Hi,
It could be just the sensor, but not likely... many times it is the circuit board that goes bad, making the repair almost prohibitive.. as the circuit board, if you can find one, is often half or more the cost of a new unit...
But you are correct... if the unit thinks the humidity is 20% then it will not bring on the compressor...that is what is happening...

heatman101

Jun 25, 2011 | Haier HD656E Dehumidifier

1 Answer

My dehumidifier kicks on for about 20 seconds and then kicks right back off!


What sometimes causes that, is that the water collection bucket is not sitting in the unit properly/tightly. When the unit turns ON, the vibration causes the bucket to move and lose contact with bucket safety removal switch. Try removing the bucket and reinstalling so that the top and bttom of the bucket fit squarely into the holder and the bottom doesn't tilt downward.

Also, check the humidity extraction level. It may be set to high. Lower it to 32-35%.

Hope this helps you troubleshoot and solve the problem. Please let me know. Thanks.

Jun 16, 2011 | Haier 45-Pint Dehumidifier

1 Answer

Not pulling water out of the air


The humidity level you have the unit set on may be to high. Keep in mind, a higher number is not what the dehumidifier will remove. It's what it will maintain. Lowering the percentage to say 45% or minimum if you don't have a LED readout, should cause the unit to turn ON and collect water in the bucket. Also, be sure that the air intake filter is clean and not clogged.

If you want to do an in home test, put the humidifier in the bathroom, turn on a hot shower, set the unit to it's lowest setting and as you walk out, close the door. DO NOT use the exhaust fan in the bathroom. After about 15 - 20 minutes return to the bathroom, turn the shower OFF and check the unit's water collection bucket. If you see any water in it, it's working as it should.

Hope this helped you solve the problem. Please let me know. Thanks.

May 17, 2011 | Danby DDR600R Silhouette Dehumidifier

1 Answer

Humidity sensor reads to low and does not kick the machine on. The readout seems to always be at 20% and wont kick on till 35% Is there an adjustment i can make to tuen the unit on?


It probably doesn't need adjusting, It's simply a case that 20%, there's not enough humidity for the sensor to read. But, at 35% there is. I'd say, your dehumidifier is working as it should.
FYI - there is no adjustments to change the factory settings.

Hope this helped you, chu.

May 16, 2011 | Fedders 30-Pint Dehumidifier Dehumidifier

3 Answers

Compressor does not start


some of these units have a 5 year compressor warranty on them including labor worth calling sears and seeing if it does have the 5 year on the sealed system

Apr 09, 2008 | Kenmore 53509 Dehumidifier

3 Answers

Hampton Bay Dehumidifier Model# HB50


CHANCES ARE THE DUAL CAPACITOR HAS BLOWN APART...YOU WILL KNOW THIS IF THE SIDE WALL IS RUPTURED. THE CAPACITOR IS LOCATED TO THE RIGHT OF THE COMPRESSOR MOUNTED WITH 1/4 HEX SCREW..PART NUMBER WILL BE 50150115N001..AROUND $17-21.00.

Jul 27, 2007 | Maytag M7DH45B2A Dehumidifier

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