Question about Whirlpool Dehumidifiers

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Dehumidifier freezes up.

Hi: I have a whirlpool dehumidifier model # ARMD40DBK. The top one third of the coil freezes over. What is the problem with this unit? What parts do I need to fix it and where do I get them from. Thank you Tim. My e-mail address is timferderer@hotmail.com Thank you again.

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  • timferderer Jun 30, 2008

    Your answer is for a ac, I have a dehumidifir. Thank you try again.

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You just need first to do some cleaning.
-Vacuum any debris from the indoor and outdoor coils with an upholstery-brush attachment before you install your room air conditioner. Take care not to damage or deform the soft fins.
- Seal the perimeter of the installed unit with new weatherstripping, if needed.

Hope that helps.....

Posted on Jun 30, 2008

  • Mark Gil
    Mark Gil Jun 30, 2008

    Sounds like you have plenty humidity in the air. The coils are just a bit to cold, so as the air becomes cooler and dryer the coils drop below freezing an build a block of ice and they become useless to you but they are still using electricity. Move the thermostats to a warmer setting. If you can Keep that coil around 40/45 degrees it will catch water all night/day and not freeze over.



    Hope this help now...

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1 Answer

BUCKET DOES NOT FILL WITH WATER


It could be the coil & condensor are dirty.

Or it could be that the humidity level is below what the unit will work at. Below 50% humidity and or 70 degrees Fahrenheit, it generally will not do much.
I have had a AD75UST0 WHIRLPOOL Dehumidifier for several years. If it actually still runs, I would suggest you take off covers and give the coils a good thorough cleaning. Otherwise the units are not designed to be serviceable aka - "disposable small appliance". if you do dispose of it take it to a qualified recycle organization for Freon products. WHIRLPOOL DEHUMIDIFIER Parts Model ad75ust0 Sears PartsDirect

Aug 08, 2013 | Whirlpool 75-Pint Dehumidifier

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My dehumidifer runs but no water is being pulled out


Might be a dirty coil and condenser.
I have had a AD75UST0 WHIRLPOOL Dehumidifier for several years. If it actually still runs, I would suggest you take off covers and give the coils a good thorough cleaning. Otherwise the units are not designed to be serviceable aka - "disposable small appliance". if you do dispose of it take it to a qualified recycle organization for Freon products. Shut unit off. Remove "bucket". You should find a "tab" at top of where bucket goes in middle front of unit. Pull down to remove tab of Filter. Clean thoroughly and dry Filter before re installation. Visually inspect the coils and condenser while filter is out ( a flashlight helps). If it looks slightly dusty or like covered in felt, then it would be wise to remove front and rear covers and give the coils and condenser a thorough cleaning.

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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

Coils freezing up


Hi,

Here is a tip that I wrote that will help you understand why and what you can do with a dehumidifier that ices up.

Dehumidifier is Freezing up and not working

heatman101

Dec 05, 2010 | Whirlpool AD40DSL Dehumidifier

1 Answer

Danby Dehumidifier Model # DDR557HE Serial # 0107030704369 --Does not collect water and cxontinues to frost up


Hi,
If you are having problems with your dehumidifier freezing up them here are a few things that you can check and also a few things that may help you.

First check the ambient temperature of the room at the level of the dehumidifier. If it is below 65 degrees and you do not have a special low temperature dehumidifier then you are asking for trouble. Most units are only designed to work in temperature 65 or higher and will freeze if they are working at lower temperatures. Some even will not work well below 68 degrees F.

Many dehumidifiers will shut off when the coil starts to freeze to let them thaw, then they will restart when the coil is warm enough again. This can take an hour or so. Some will not shut down the compressor and when the dehumidifier coil starts to freeze it reduces the air flow and only compounds the problem.

Check the air flow over the coil. If the coil becomes dirty or the fan motor stops or even slows down a bit, you will get freezing. The dehumidifier is very dependent upon the proper amount of air going over the coil to keep the coil warm enough to not freeze. Any restriction will cause problems.

The final and worst thing that can happen is for your dehumidification unit is to develop a slight leak in the refrigeration system. This will cause the coils to run even colder then they would normally and this will create the same problems. If everything else check out then you may have to have the refrigeration system checked by a professional. The problem with this is that many of these units only cost a few hundred dollars and a service call can soon add up to more then the unit is worth.

Some things that you can do to help out a dehumidifier that is freezing up are:

Raise the temperature of the room and provide a bit of heat for the room as the dehumidifier is actually a very small A/C unit.
Raise the dehumidifier up off of the floor… the air is usually warmer when you go higher up in the room, hot air rises.
Clean the coils off so that the air can flow through them easier and keep them warmer.
Make sure that the fan motor bearings are oiled and that the fan is running freely. Even a tiny bit of resistance will slow the fan enough to make a difference.


By checking all these things out and making some small changes you maybe able to make your dehumidifier work much more effectively.

Take care

Mar 23, 2009 | Danby DDR586R Dehumidifier - 58 Pints...

2 Answers

PLEASE HELP


Make sure the coils are clean. (check the inside part of the coils. If they look ok then see if your compressor is running. if its not running then it could be any number of things. I recommend that you have a pro look at it

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