Question about DeLonghi Dehumidifiers

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I have a DeLonghi dehumidifier Model DN 40G. The fan runs but the cooling fins do not get cold. It sounds like the compressor is running because I hear it click on and off. The fins do not even get moist. Is there something I can check on or does it require a service person? Tks

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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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1 Answer

Runs but no longer collects water


In the price range, most of the comparable united are the same under the skin. I like whirlpool since replacement parts are widely available.
before you condemn the unit, check three airflow and the temperatures of the suction and discharge tubes a few inches from the compressor. If the discharge is hot and the suction is cold, the circuit is probably still whole.

Nov 30, 2014 | DeLonghi DE400P Dehumidifier

1 Answer

The fan runs good. Cool air comes out the front of the unit but it doesn't condense any water. Someone told me I need to add refrigerant. Does that sound possible?


yes,its entirely possible cause after 2-3 yrs they lose some charge,make sure you read the compressor tag for correct refrigerant

Jul 01, 2011 | DeLonghi Dehumidifiers

1 Answer

The unit just stopped extracting any moisture from the air. The fan runs and the compressor sounds like it turns on. I use the bucket to capture the moisture so do not have the pump on for the hose.


If the unit isnt extracting moisture in the air you have one of two problems a leak in the refrigeration system or the compressor is locked up. In my experience its probably a leak in the refrigeration system because they make the dehumidifiers very cheap and the coils are paper thin. Delonghi has a lot of issues with there dehumidifiers and any other appliance they make. Check to see if the compressor is running if it is then you have no freon in the system. You can access the compressor by the back panel and you will know if it is running. If it is a refrigeration leak buy a new unit it will be a whole lot cheaper and less stressful,.
If this helps please rate me.

Jun 27, 2011 | DeLonghi DE500P Dehumidifier

1 Answer

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

1 Answer

Fan working but not compressor. Had been making noise when compressor on but now just fan working


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 06, 2010 | DeLonghi Dehumidifiers

1 Answer

Runs but does not collect water. Humidity is not going down.


It is possible that the cooling fins are not working due to insufficient coolant or the compressor system is faulty. Basically the fan pulls air across a cooling fin . Moisture from the air then condensates and falls into the pan as water. The air is then heated before it exits into the surroundings. The fact that there is no water collecting suggests that the cooling stage is not working. I see from other posts that there is a fuse somewhere. Maybe this fuse is blown and is associated with the cooling compressor..hope this helps

Jul 19, 2009 | Haier HDN655E Dehumidifier

1 Answer

Delonghi de400p dehumidifier does not work


if comp and fans running your out of freon or the compressor is not pumping more than likely out of freon and that means theres a leak in the sealed system high cost repair

Jul 03, 2009 | DeLonghi DE400P 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

No water in bucket


possible that the cooling fins have frosted over...this happens when a cold surface appears in a humid room that does not have enough heat to prevent the freeze-up on the fins. If you look at the fins (above the water bucket), you may see the frost. One solution is to turn up heat in room, followed by placing a fan to blow air through fins if still frosted. If you do not have a frost problem, then ensure compressor is running. If comp is running, then return dead unit.

Feb 16, 2008 | Kenmore 53301 Dehumidifier

2 Answers

Dandy dehumidifier


attempt to feel the metal fins on the back of the unit. If they do not feel cool, then unit is either out of freon or compressor has failed or compressor is not running. If fins are cool, then insufficient air flow through unit -check fan- or room has very low humidity and humidistat is defective; not shutting down compressor.

Jun 24, 2007 | Danby DDR2504 Dehumidifier

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