Question about Whirlpool Gold AD70USS 70 Pint Per Day Ultra Low Temp Basement Dehumidifier with AccuDry Sensing Sys... Dehumidifier

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Coils freeze, no water in collector. Model AD7ousso

After running 4 hours, the bottom 2 coils ice up and no water collects in the container below.

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Needs to be charged with freon

Posted on Jun 21, 2009

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Moisture collecting at the top front when running, even at mid power, over the control panel, sometimes turns to ice. if I shut it off when it is doing this the problem stops for awhile


Well, sounds like you have a good cold section in the dehumidifier-- that is good!-- But I agree-- we don't want water condensing on the surface-- and we surely don't need it turning to ice!
A couple questions to help us get to the next level of trouble shooting this problem:
1.) How cold is the room you are running the dehumidifier in?
(Obviously-- the warmer a room is, the easier to remove moisture--
the colder the room, the easier to drop the air temperature well below the freezing point-- making ice.)

2.) Have the air filters been cleaned/changed recently?
A dehumidifier needs a steady fast moving supply of air across its whole condenser/evaporator surface, in order to remove the maximum amount of water from the air, and not freeze up. (I would winder if something isn't blocking the flow of air toward the top of the coil?-- so that the coil in that area is going well below freezing temperatures, and thus allowing water (or ICE!) to develop near the top of the coil?-- Can you check air flow for us?

3.) You have suggested a good solution,-- especially if the above problems can not be easily corrected: Turn off the unit every few hours, and allow the warmth of the room, to defrost the coil....
In fact-- just to make sure that the air flow is not being restricted by ice deep within the coil-- let it stay off over night-- or bring the dehumidifier into a much warmer room, to make sure no ice is still blocking air flow deep within the coil..

Let us know what you learn about air flow, and get back with us-- THen maybe we need to take the trouble shooting deeper insicde the device.

I hope this helps-- MB

Aug 22, 2013 | Comfort-Aire BHD-301 Dehumidifier

1 Answer

When the dehumidifier runs it forms ice on the top of the unit and does not collect much water in the bottom.


The problem you described can be caused by 3 things:

1. The air intake filter is dirty or clogged and needs to be removed and cleaned.

2. The cooling coils are dirty and need to be cleaned. Turn the unit OFF & unplug it before attempting
to clean the coils with warm water and mild dish washing liquid. Then rinse and wipe dry. A light
coating of WD40 will help them stay clean.

3. The dehumidifier is being operated in a basement, where the air temperature at floor level is
below 65 degrees. When this happens dehumidifiers struggle at temps below 65 degrees F
unless it its a Low Temp model, designed for basement applications. Raising the unit up off
the floor onto a sturdy table or counter top, that can hold the weight of the unit, plus a full tank
of water, will generally resolve this problem.

I hope this helps you to troubleshoot & solve the problem. Thanks for choosing FixYa.

Aug 09, 2011 | LG LHD65EBL Dehumidifier

2 Answers

Does not collect water in bucket but runs all the time


Does it have a filter?
http://whirlpool.custhelp.com/app/answers/detail/a_id/953

also:

"
It may be that the humidity level or temperature in the room where your dehumidifier is located is too low.

When the outdoor temperature is below 50 F, the indoor air will be dry even when the air inside is warm, therefore when it's cold outside the dehumidifier may collect little or no water.

Air conditioners will also remove moisture from the room, even if it's hot and humid outside, resulting in little or no moisture collecting in the dehumidifier bucket.

Some dehumidifiers have a deicer which turns off the compressor but keeps the fan running. When the compressor is off, moisture is not removed from the air. The deicer turns off the compressor when the room temperature is cold.

Some dehumidifiers do not have a deicer. If the room temperature is low enough, ice may form on the evaporator coil. The ice prevents the dehumidifier from removing and collecting water. If ice forms on coils, unplug dehumidifier until ice melts and room temperature rises."

Jun 21, 2011 | Whirlpool AD25BBK Dehumidifier

1 Answer

Our dehumidifier has formed a sheet of ice amongst the coils and will no longer pull moisture from the air. The hole from which the water drips is completely iced over. It is 70degrees in the room and...


Turn the unit OFF and unplug it from the wall. Allow it to thoroughly thaw and remove the humidifiers cabinet to expose the cooling coils. Clean those thoroughly and coat with a very light coating of WD40. Reassemble the humidifier and turn it ON. Set your humidity control at 50% and allow the unit to run for at least one hour. Check for water collection in the bucket and for any signs of icing, after one hour. If water is in the collection bucket and no signs of icing, lower the humidity to 45% and continue. If you not any signs of icing, watch the unit, as you need to know if it automatically goes into defrost mode. The compressor should shut off, but the fan will continue to run until defrosting is completed. If it doesn't the auto defrost sensor has failed and will need to be replaced.
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Hope this helps you to troubleshoot and solve the problem. Please let me know. Thanks.

May 08, 2011 | Dehumidifiers

2 Answers

Dehumdifier not collecting water.


It may be that the humidity level or temperature in the room where your dehumidifier is located is too low.

When the outdoor temperature is below 50 F, the indoor air will be dry even when the air inside is warm, therefore when it's cold outside the dehumidifier may collect little or no water.

Air conditioners will also remove moisture from the room, even if it's hot and humid outside, resulting in little or no moisture collecting in the dehumidifier bucket.

Some dehumidifiers have a deicer which turns off the compressor but keeps the fan running. When the compressor is off, moisture is not removed from the air. The deicer turns off the compressor when the room temperature is cold.

Some dehumidifiers do not have a deicer. If the room temperature is low enough, ice may form on the evaporator coil. The ice prevents the dehumidifier from removing and collecting water. If ice forms on coils, unplug dehumidifier until ice melts and room temperature rises.

The filter (on some models) may be dirty or clogged. If so, clean the filter. For instructions on cleaning the filter.

I hope this help to solve, if this answer solve it, remember to rate it. Good luck.

Oct 01, 2010 | Whirlpool AD50USL Dehumidifier

1 Answer

Have Whirlpool AD50USS - unit ran for over 24 hours in DRY mode but collected no water. Should have been water in bucket as basement smells musty.


If the room temperature is close to 60, the coils may be frozen (completely encased in ice). If this is the case, move it where the water can drain off - about 1 gallon which may NOT run into the drain bucket.
I out mine over the floor drain.
Turn off and it will defrost over night.
Only specially made dehumidifiers work below a room temp of 60 degrees (the temp of a basement in winter).
Does it need to be running? A digital humidity sensor from Radio Shack is cheap and may tell you the humidity is OK - only 50% or less.

Dec 28, 2009 | Whirlpool Dehumidifiers

1 Answer

Not collecting water


it is probably frozen, if you look at the back and the coils are covered with ice, turn it off for an hour or so untill it thaws, then it should start collecting water again.

Aug 18, 2009 | Edison 40 Pint Dehumidifier

1 Answer

Running but not collecting water...


Dehumidifiers have only a few components, and operate on the same principle as a refrigerator, freezer, or air-conditioner.
Components Residential dehumidifiers have a cooling system made up of these primary components:

  • The compressor is the quiet motor (engine) of the cooling system. It's the black, football-size component at the bottom of your dehumidifier. The compressor runs as long as the dehumidifier humidistat (the humidity-sensor) calls for a reduction in the humidity.

  • The condenser is a series of finned tubes, similar to a radiator. It's usually near the circulating fan.

  • The evaporator is located near the back of the dehumidifier, right above the water-collection container. It also resembles a radiator or a coiled-up set of tubes. When the dehumidifier's humidistat senses increased humidity, it cycles on, which starts the compressor and circulating fan.

  • The circulating fan circulates the air over the evaporator and condenser coils.

Principle When the unit runs, the circulating fan and compressor also run. The fan continually draws room air over the evaporator coils, which are cold, and then over the condenser coils, which are warm. Because the evaporator coils are cold, the moisture in the room collects on them--just as the outside of a glass of icy liquid "sweats" on a warm, humid day. When the moisture on the coils increases, it drips off of the coils into the collection container.

The air then flows over the warm condenser coils and out into the room. This process removes water from the air and, because of the heat from the fan motor and compressor motor, the exiting air is somewhat warmer, as well as dryer.

Jul 29, 2008 | Maytag M7DH65B2A Dehumidifier

1 Answer

Water collection


the unit is iceing the coil ck for air flow clean coil or its a more serious poblem like refrigerant or compressor capacity dan

Jun 15, 2008 | Dehumidifiers

1 Answer

Does not collect water


The only thing you really need to check is that collector coil that the the water is supposed to condense upon, much like the "sweat" on a glass of ice water. If that collector coil is not nice and cold, then your machine needs freon or has some other serious problem.

Aug 04, 2007 | GE AHG40LA Dehumidifier

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