Question about Whirlpool AD25BBR Dehumidifier

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Dehumidifier does not extract water. Fan works and I've cleaned and checked all connections. How do I tell if tis a bad compressor or coil?

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D. Floyd Kolb

D. Floyd Kolb

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  • Whirlpool Master
  • 43,501 Answers

Hi,
It could be a abad compressor, circuit board, or maybe even a sensor or dehumidistat...
Here is a tip about dehumidifiers that run but do not extract water from the air..

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

heatman101

Posted on May 04, 2010

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2 Answers

Why does compressor continue running, even with dehumidifier turned off?

So I just had this happen with my Frigidaire fad704dwd dehumidifier. I went to basement and heard it running and sounded off. The compressor was running fan was off which is bad and humidity said 30. I then pushed the off button and it stayed running. I was able to fix it. To make long story short it was a bad ground. I took the plastic back, sides, and front off. There was a green ground (main ground) and Green/yellow ground (fan ground) on the front coil with a bunch of rust. Removed the grounds connected them both together and cleaned the surface area and used a new stainless screw nut and screw to remount the wires to evaporator coil. Everything started working fine after that and I put it back together. Good Luck

Feb 16, 2016 | Frigidaire a/c fad704dwd 70 pint...

2 Answers

The motor is still running fine, but the dehumidifier is no longer extracting water from the air and the water container is not filling.
John, there are 5 basic, yet solvable reason for what you described. Please pay particular attention to numbers 1 & 2.

1. The humidity extraction level is set to HIGH. Lower it to 32-35%.

2. Air intake filter is dirty or clogged. Turn unit OFF, & Unplug the
Unit, before removing to inspect & clean it, if necessary. If washed,
allow filter to completely dry before reinstalling. DO NOT operate
the unit without the filter.

3. Obstructed air flow. Maintain a minimum of 12 to 18" of clear air
space around the entire unit.

4. Cooling coils are dirty and need to be cleaned. Use warm water & dish washing liquid to
clean the coils. Rinse and wipe dry. Apply a light coating of WD40 to the coils.

5. Ambient air temperature at floor level is between 40 - 60 degrees.
dehumidifiers do not work well between those temperatures
(Unless, you have a Low Temp Unit). This applies mainly to
where the air temperature at floor level is colder than at shoulder level
in basement applications. Raising the unit up off the floor,
onto a sturdy table, counter top, etc, that can handle the weight
of the unit, plus a full tank of water, will usually resolve this
problem.

If none of the above solves the problem, it may be a case of the compressor needs to be recharged with refrigerant gas or that the humidity condenser sensor has failed. These things usually occur in units that are 5 years old or older. It's rare in a unit younger than that. But, it can happen.

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

Sep 19, 2011 | Haier 45-Pint Dehumidifier

1 Answer

The 54701 Kenmore Dehumidifier runs and sounds normal, fan running, compressor on. However , it doesnt collect any water whether a hose is connected or just the bucket. No icing up or any weird noise...
Yes, if the compressor needs to be recharged, a service technician can do it.

In the meantime, try lowering the humidity extraction level to 35%. You may have the extraction level set to high.

Hope this helped you. Thanks for choosing FixYa.

Aug 21, 2011 | Kenmore 54701 Dehumidifier

1 Answer

Unit fan is running but the compressor is not.
Hi,
It could be a bad compressor, circuit board, or maybe even a sensor or dehumidistat...
Here is a tip about dehumidifiers that run but do not extract water from the air..

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

heatman101

Apr 24, 2010 | Maytag M7DH45B2A Dehumidifier

1 Answer

The machine tries to turn on, and sounds like it is operating, but does not extract water, and turns off after a few minutes
Check to see if it is clean especially in the coil and fin area, if not that may be your problem. If it is connected by an extension cord loose the cord. If this does not resolve it, then it is a compressor related problem such as a bad relay, possibly a capacitor or the compressor itself.
Good Luck,
Gil Shultz

Nov 30, 2009 | Goldstar DH304 Dehumidifier

1 Answer

Unit runs but no water collects in bucket. Unit is over a year old and has run continuously that whole time. Up till now it has performed beautifully. Is it just worn out?
Hi;
Your dehumidifier is similar to a refridgerator or air conditioner. It has a compressor and coils, and a fan. Basically, the unit has to **** in air with it's fan, and as the humid air goes across the cold coils, the humidity condenses in to water. If the coils are not getting cold, they won't condense any water, or if the fan isn't running, or the coils are dirty. If you check your unit over, see if you can tell if anything isn't working. Make sure the control knob is set at the highest setting. If the compressor lost it;s refridgerant charge, and won't get cold, it isn't probably worth fixing

Nov 23, 2009 | Whirlpool 75-Pint Dehumidifier

1 Answer

Simplicity dehumidifier (SDR505R) not working
Danby dehumidifiers are craps - I have been trying to buy an used dehumidifier. I've looked at several for sale on Kijiji and Craigtslist - the majority of them is by Danby - None of them works. Fan and compressor run but no condesation occurs at the coil i.e. no water dripping into the bucket. Solution: scrap it. Refilling the gas costs more than a new dehumidifier. They are not made for refilling like the compressor in a car.

Aug 10, 2009 | Dehumidifiers

1 Answer

Dehumidifier headaches!
There are three things that must be working to extract water. The 'coil' (a finned metal part that allows air passage) if it's filled with dust and obstructions, no air can move...no water. There is a blower motor that mus move the air. If it is seized up an not blowing air...very little or no water. The compressor uses condensation from the air moving across its coils (like the moisture than forms on a cold glass on a humid day) to extract the water from the air. If it's not working then no water.
So, if there is air blowing out of the dehumidifier the blower is working. If the air is room temp the compressor is not working. If it's real hot air, and the humidifier keeps cycling on and off quickly, the coil is dirty. Those are the 3 things that need to be working.

Jul 27, 2009 | Kenmore 54501 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

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  • Frigidaire a/c fad704dwd 70 pint dehumidifier

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Feb 13, 2014 | Whirlpool AD25BBR Dehumidifier

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tripping breaker Took unit apart cleaned it. reassembled it. Tripped again. Ordered new humistat switch. Installed it . Tripped again. Opened unit and searched for bare wires, Couldnt find any. Need wiring diagram to be sure its hooked up correctly.

Sep 13, 2008 | Whirlpool AD25BBR Dehumidifier

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