Question about DeLonghi DE500P Dehumidifier

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Machine runs, but compressor does not go on and does not remove the humidity.

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  • DeLonghi Master
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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

=-=-\

Posted on Mar 22, 2011

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Posted on Jan 02, 2017

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1 Answer

Why did it stop condensing water?


The condenser can only remove humidity if there is still humidity in the air. What's your Relative Humidity? A manual sling psychrometer is cheap enough to check it.

Jun 14, 2015 | Maytag M7DH45B2A Dehumidifier

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Compressor Works for a while Only On Initial Plug-in


If your machine is equipped with a humidistat it could be faulty and not sensing the humidity level accurately.

Mar 05, 2017 | Danby Premiere DDR5009REE 50 Pint Capacity...

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Will not regulate humidity correctly. I set it at 60% and it is still running when the humidity in room reads 45%. I have confirmed this with a separate humidity gauge.


It may just be the fan running and not the compressor. Some unit's are designed that way, so that air is constantly moving and when the humidity level rises above what you have it set on, the compressor will automatically turn ON and remove that moisture. Wants it's back to where you have its set, the compressor will turn OFF. Check your Owner's Manual to see if your model has that feature.

Hope this helped you and thanks for choosing FixYa.

Aug 06, 2011 | Comfort-Aire BHD-501 Dehumidifier

1 Answer

I have a DDR7009EE and the fan runs continuously even when the humidity in the room is below the setting on the machine. Shouldn't the fan stop when the desired humidity is reached?


Lyle, your particular model is designed for the fan to function constantly. However, the fan running doesn't mean the compressor is always running. The reason the unit was designed this way, is for the air to be continually moving, and when the humidity sensor picks up a rise in the humidity level (above where you have it set) the compressor will turn ON and extract that humidity.

Your unit is working as it should. Thanks for choosing FixYa.

Jul 28, 2011 | Danby DDR5009EE Dehumidifier

1 Answer

When the humidity set point is reached, the compressor shuts off but the fan continues to run. Is this normal?


Chucke - Depending on which mode you're operating the unit in (Continual Mode), yes that is normal.The fan continues to run in an effort to recirculate the air. If it senses a rise in humidity above the level you have it set on, the compressor will turn and remove that humidity.

Hope this helped you.

Jun 27, 2011 | Frigidaire Dehumidifiers

1 Answer

Machine runs, but no water is coming out into the bucket


There are several reasons this may be happening. The 2 primary reasons are the humidity extraction level is set to high. Lower it to 35% . The lower the setting, the more moisture/humidity is extracted from the air. The higher the setting, the less if any moisture/humidity will be extracted from the air.
On most humidifiers the fan runs almost constantly while in operation. The idea is to continually move the air around and when the unit senses a rise in humidity, above what you have it set on, the compressor will turn ON to extract that humidity.

The 2nd thing that causes the problem is a dirty of clogged intake air filter. Which is easily solved by removing and cleaning the filter. Which should be done at least every 2 weeks, while the dehumidifier is in operation.

I said there were 2 reasons. Actually, there is a 3rd. Not enough clear air space all around the dehumidifier. A minimum of 12" should be maintained during operation.

Hope this helped you to troubleshoot and solve the problem. Please let me know. Thanks.

Jun 02, 2011 | LG LHD459EL Dehumidifier

1 Answer

The dehumidifier cuts off when it is set on 70% as soon as the compressor cuts on. i can leave it on lo and it runs.


If you're setting the humidity level on 70 % , that means you want to leave the relative humidity in the house at 70%. That's why the dehumidifier is cutting off. Your house is already at 70% humidity or higher. If you want to remove humidity, set the level lower. If your trying to make it cooler in the house or remove a lot of moisture, set it a 35 to 45%.

Hope this helped solve your problem.

Apr 16, 2011 | Kenmore Dehumidifiers

1 Answer

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

2 Answers

My new Danby dehumidifier never shuts off


This unit is designed with the intention of the fan running all the time. The compressor cycles on and off with demand, however the fan runs continuously to provide constant room circulation.

Sep 14, 2009 | Dehumidifiers

1 Answer

Fan runs, all controls work compressor does not run.


It sounds as if the unit has lost it's refrigerant charge. Take to small appliance repair for confirmation, but it probably leaked out.

Jun 27, 2009 | Maytag M7DH45B2A Dehumidifier

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