Question about Whirlpool AD40DSL Dehumidifier

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The humidistat works and the fan is running but no water will be drawn out of the air??

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There can be many reasons why a dehumidifier will not work or collect water.


Here is a tip that I wrote to help people to figure out what is going wrong with their dehumidifier

Dehumidifier is running but no water is in bucket
http://www.fixya.com/support/r4662409-dehumidifier_running_but_no_water_in

heatman101

Posted on Sep 09, 2010

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Posted on Jan 02, 2017

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1 Answer

Will turn on but no dehumidifying so there is no water in the bucket.


well 67%rh is considered low (70%rh is normal) units will produce much less water when tasked to operate in low moisture air , this is why all the new units have air temp ratings of 60Deg or less. but still the unit should try to go thru all the motions ,that you can easy verify , just by u watching /listening closely
set unit to work normally , listen 4 the fans inside to come on and a few moments later the compressor will come on if everything is working well , try adjusting the humidistat up to a value of say 80% listen 4 one fan and compressor to stop , this is all normal reset desired setting on humidistat
if unit fails any one of these simple tests it has an internal fault inside it and requires service

Oct 30, 2015 | Dehumidifiers

1 Answer

How do i fix it so that it will collect water?


1st ck that your humidistat is set correcly and unit cycles the compressor on/off correctly ,Not just the cirulation fan running all the time , next ck your filters , clogged up filters wont allow air to pull thru unit , also are you sure room has enough moisture in it to pull water from, Most units wont draw a percievable amount of water out of air thats got less than 52%rh , as most homes target a 70%rH as normal

Dec 18, 2014 | Dehumidifiers

1 Answer

My whirlpool dehumidifier fan runs, but no water is being taken out of the air; cleaned the filter and still no change; dehumidifier was purchased in August 2008.


Hello,

First, make sure the humidistat isn't set too high by adjusting it to the lowest humidity setting and running it again. Next, test the dehumidifier by placing it in a closed bathroom with a hot shower running. If you don't see water collecting in the unit after several minutes, turn the unit off and clean all dehumidifier filters and coils. If, after adjusting the settings and cleaning the unit, you still don't see water collecting, you may have a refrigeration issue. This situation will have to be addressed by a qualified technician.

Take care.

Aug 15, 2010 | Whirlpool Dehumidifiers

1 Answer

Compressor won't run


could be the thermostat or humidistat, check that the microswitch is being activated when you push the reservoir home, listen for a soft click.

Apr 08, 2010 | Whirlpool AD40USR Dehumidifier

1 Answer

Not working


Hate to tell you, but it may be a goner. Many units have a rectangular air filter that may be clogged, but I would still expect to see some moisture removal. Without exact model I'll have to be general,.... remove cover (front or back, depends on model) to see cooling coils. If the compressor is running, these coils should be wet or may have a light frost on them for a time. Not = refrigerant leak. (not economical to repair) If you see one small area of ice,... it's also a goner. If the compressor does not run you could have a bad compressor, a bad defrost control, or a bad control / humidistat. Other than the filter or possibly a fan motor, these unit are rarely economical to repair.

Aug 27, 2008 | Dehumidifiers

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

Another question


I have the same problem. I believe it is because it has a refrigerent leak. When there is little refrigerent, the begining of the coil will freeze up. I would really suggest calling the manufacturer. It is defintely something to do with this specific model

Sep 07, 2006 | Goldstar DH504EL Dehumidifier

6 Answers

Everything works, but does not collect water


I have the same dehumidifer - make and model. I bought it less than a year ago. It too runs fine, but now collects no water. Did you ever discover how to fix the problem?

Sep 04, 2006 | Goldstar DH504EL Dehumidifier

1 Answer

Dehumidifier Compressor is not working


this unit is very simular to an air conditioner except it has a humidistat instead of a thermistat.. if your handy with a continuity tester unplug the unit find the humidistat and check to see if its open or if its good then call the company at 1 800 322 3848 or contact the web site at customerservice@delonghiusa.info Good Luck

May 31, 2006 | DeLonghi DHE90 Dehumidifier

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