Question about DeLonghi DE500P Dehumidifier

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Does not extract moisture. Fan runs and air flows through.

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The units low on refrigerant and needs a recharge,this happens a lot with these type of units

Posted on May 19, 2011

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2 Answers

It runs, but why doesn't it extract water?


The compressor has to run to extract moisture. You may be hearing just the fan running.

Nov 23, 2015 | 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

My dehumidifier is not collecting water what can i do to fix it? the model #99701


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 primary 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 | Kenmore 54501 Dehumidifier

1 Answer

My dehumidifer is not drawing any water, but the fan continues to run.


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 | Haier 45-Pint Dehumidifier

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

No water is extracted into bucket. Motor is on - although don't feel any hot air coming out of unit


It may be just the fan motor running and not the compressor. Which, depending on what level you have the humidity extraction set on, may be the problem. If it's set to high, the fan is running to circulate the air. If the humidity sensor picks up a rise in the humidity level (higher than what you have it set on), the compressor will turn ON. Lower the setting to 32 or 35% and if the air intake filter is clean and not clogged, the compressor should turn on shortly thereafter. In addition, be sure to maintain at least 12" of clear air space around the entire unit.

Many times the higher settings are thought to be how much moisture will be extracted. When in fact, the opposite is the case.

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

May 30, 2011 | Whirlpool AD40USL Dehumidifier

1 Answer

Dehumid. runs and fan blows but no water in tank and never shuts off, 5yr. old maytag, only runs in summer


Several things can cause this problem. The leading one, is that the humidity extraction level is set to high. Lower it to 35%. One of the others, is a dirty or clogged air intake filter. Followed by obstructed air flow. You need to maintain at least a minimum of 12" clear air space around the unit. Also, most humidifiers struggle to operate correctly, if the ambient air temperature at floor level is between 40 to 60 degrees F. This will also cause the fan to run a lot if the unit is set in continuous mode, rather than a timed mode. And finally, if any doors or windows are open, the unit will run forever. Make sure all doors and windows are closed.

Here's an in home test to see if it's working properly. Move the dehumidifier to the bathroom. Plug it in turn it ON and set the humidity/moisture extraction level to 35%. Turn the shower ON hot enough to generate steam. Do Not turn the bathroom exhaust fan ON and close any windows that may be open. As you exit the bathroom, close the door. Wait 15 to 20 minutes before returning to the bathroom. Once you do, turn the shower OFF and allow the unit to run for 5 minutes more. Then check the bucket for any signs of water. If you find some, the unit is working as it should.

If you don't see any signs of water, the unit's compressor may need to be recharged with refrigerant.

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

May 29, 2011 | Maytag M7DH65B2A Dehumidifier

1 Answer

My Kenmore dehumidifier has stopped drawing water from the air to the collection receptical. Fan still runs at high and low speeds.


A couple of things may be happening: The humidity extraction level may be set to high and it can't extract any humidity at that level. Reset/Lower it to 35%. The fans on most dehumidifiers run almost constantly (designed that way) so that it keeps moving the air around. If the sensor picks up a higher humidity level than what it's set to maintain, the compressor will turn ON. This is particularly true, if you operate the unit in continual mode, rather than a timed mode. Also, a dirty or clogged air intake filter, hinders the units ability to remove humidity/moisture.

In addition, operating the unit is ambient air temperature of between 40 & 60 degrees F, causes the unit to struggle to dehumidify the air and the fan to run continuously. Obstructing the air flow around the unit, will also cause it to not function as it should. Maintain a minimum of 12" of free air space around all 4 sides of the unit.

Hope this helps you troubleshoot and solve the problem. Please let me know.

May 28, 2011 | Kenmore Dehumidifiers

1 Answer

(New Unit) Motor Runs, Does Not Extract Moisture


Try setting you temperature or fan speed lower this may help.
In order for the unit to remove moisture the coil has to be below the dewpoint.

Aug 02, 2009 | Haier HD451E Dehumidifier

1 Answer

Comfort-aire Dehumidifier bhd-651


Most likely the fan motor is broke. I have seen several units with bad fan motors.

Jun 26, 2008 | Comfort-Aire HD-651 Dehumidifier

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