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Dehumidifier doesn't work

Power on, light is on, fan runs but condenser coils not getting cold, the compressor does not appear to be running, could a bad start capacitor be the cause ?

its a whirlpool QP3915745, capacitor part no is 1186186

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6 Suggested Answers

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Posted on Jan 02, 2017

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  • 184 Answers

SOURCE: Whirlpool 50 pint dehumidifier

the problem just might be that your are trying to use this unit at a time of season that is cold weather. there is no humidity in the air so the unit is cycling on and off .there by the noise you hear. dehums work best when the temp is 65 degrees or higher and the humidity level is 60% or higher. and that means outside. in order to have humidity the water has to be heated up to the point that it starts to evaporate.

Posted on Mar 28, 2008

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  • 1 Answer

SOURCE: Fan no compressor will run

I have AD75USTO. Whirlpool  was running yesterday. Today it sound like its starting but will not boot up fan will not kick on. Does it need resetting or what. Only a year old only used for one summer?

Posted on Jun 05, 2008

  • 121 Answers

SOURCE: Dehumidifier runs but does not condense water.

It sounds like an issue with the control bord. This dehumidifier should have a 5 year warranty through LG. You will need to have this serviced. If it is under warranty by LG they will either refer you to a local repair shop and they will pay for the repair or they will replace it if you do not have a repair shop in your area. Call them and explain the problem to them. Make sure that you have your reciept. Here is the contact information for LG:

Toll Free Phone Number: 1-800-243-0000

Email: customerservice@lge.com

Keep me posted. If you found this solution helpful please rate it when you get a chance. Thanks - Tech101

Posted on Jul 08, 2008

  • 121 Answers

SOURCE: LG LD65EL Dehumidifier doesn't work properly

What do you have the humidity level set at on your dehumidifier? The average is 65%. Make sure you do not have it set at 75% because if you do this could be causing it to keep the humidity so high.

Posted on Jul 08, 2008

MNTECH
  • 1543 Answers

SOURCE: how to fix dehumidifier condenser won't start

That's your compressor. (the condenser is the tubing just after the compressor) First, make sure you are not using an extention cord, or if you do, make sure it is a heavy enough cord. Low voltage can cause your problem, do to a light extention cord use. Second, you may have a bad relay. (inside the box on the side of the compressor) Third, your compressor may be bad. They can be direct tested with a compressor test cord by a service tech that knows what they are doing. Bad compressor = get a new dehumidifier (too expensive to replace).

Posted on Jul 06, 2009

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1 Answer

Compressor runs and gets hot but fan will not kick on. Replaced the capacitor and that did not help. One side of coils gets hot, the other side gets cold, which seems normal. Just can't get the fan...


Don't run the compressor for any length of time without the fan operating. Is it possible that the fan must be replaced? Can you power the fan safely to test it?
Gary

Jul 26, 2011 | Maytag M7DH45B2A Dehumidifier

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Runs but doesn't work (no water accumulates)


It sounds like what you hear working is the fan. The unit also has a compressor; if the compressor is bad or the freon is gone, the fan will run but the coils wont cool to remove moisture from the air.

Jun 26, 2011 | DeLonghi DE500P Dehumidifier

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Santa fe dehumidifier running but not producing any condensate. No ice forming on the coils and filter is clean.


You should check if the compressor is running. Your description makes it appear that the fan may be running and the compressor may not be running.

There are many things that can cause a compressor to cease running:

Open defrost thermostat
Bad run capacitor
Low refrigerant charge (caused by refrigerant leak)
Bad compressor relay
Bad compressor overload
Bad compressor motor

Other things to check:

If the fan switch is set to "on" and the humidity control is set to a high humidity level, the unit may appear to be running, but the compressor will not operate. Check the setting of your humidity control.

If the dehumidifier is operating in a room with a high temperature and a low dew point (very low relative humidity), it may be unable to remove any more moisture from the air.

If you are not comfortable troubleshooting the unit on your own, call the manufacturer service department at 1-800-533-7533, EXT 8459. They are very helpful.

Mar 05, 2011 | Santa Fe 4027450 Dehumidifier

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Need a repair shop in the baltimore area to look at my dehumidifier runs but wont pull water


It's cold outside. If the temperature is too low, the cold coils will just frost up and you won't get much water 'pulled'.
Check to see if the cold coils actually are getting cold when the unit is running and the control is set to cause the compressor to work-not just the fan.
If the coils are cold and full of frost or ice, the room is too cold for the dehumidifier to work. You'll have to raise the temperature of the room or wait for warmer weather.
If the coils never get cold, the compressor might be bad or the unit might have lost its freon.
I wonder, though, if it's just too cool and dry right now for a dehumidifier to be pulling more moisture out of the air.
Hope this helps!

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2 Answers

Does not dehumidirfy


Hi,
There are many reasons why a dehumidifier willnot work or collect water.
Here is a tip that I wrote to help people to figure out what is going wrongwith their dehumidifier

Dehumidifier is running but no water is in bucket

heatman101

Oct 11, 2010 | Maytag M7DH65B2A 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

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I have a Whirlpool dehumidifier that doesn't collect water


I have a Whirlpool dehumidifier model AD50LJ0: the compressor starts but then appears to trip out. The fan keeps running. It does not condense and water. Can you help?

Jun 08, 2009 | Whirlpool Dehumidifiers

1 Answer

Year 2005 cycling fan and compressor


Your unit is probably operating in defrost mode. When you use a dehumidifier in a cold room, the condensing coils can freeze water. The unit senses this and thus stops the compressor until the water frozen on the coils melts. Then it resumes its cycle. This is a problem you will have during the winter months. It makes the operation of the unit inefficient, but this is otherwise normal behavior.

Jan 04, 2009 | LG LD50EL Dehumidifier

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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

Unit Runs (fan and condenser) but no water?


By condenser I assume you mean the compressor is running. Is there ice forming on the front coil?

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