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DE500P Dehumidifier: Does not dehumidify even though set to dehumidify. Fan will turn on when RH above setting, and stay on, since humidity doesn't drop. Filter is clean & pail empty.

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Locate and touch the cooils located, usually, above the condensate collection pan, ("pail empty"). If the coils are not cold, or cool to the touch, the unit has lost its charge of refrigerant. This would explain why the unit fan is working, but there is no condensate, as there is no coolant (charge) to cool the coils and "pull" the hunidityout of the air.

Posted on Jul 08, 2008

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The compressor and fan are running, however, there is no water coming out. RH is 70, temp is 66. This is after replacing a blower that had already seized up 2 years ago.


The dehumidifier should be removing water at 66F 70%rh.

First make sure that the compressor and fan are running. If they are, then turn the dehumidifier off and unplug the cord from the wall outlet. Next remove the front cover from the dehumidifier. Examine the evaporator coil (about 1/2 way up) beneath the plastic heat exchanger and above the stainless steel drain pan.

If the evaporator coil is cold and completely covered with frost & ice, the defrost thermostat may be defective. Replace the front cover. turn the humidity dial to "off". Plug the dehumidifier in to the wall outlet and set the fan switch to on - the fan will run (no compressor). Run this way for one hour to defrost the evaporator. Now adjust the humidity dial to your desired humidity and keep an eye on the dehumidifier. If it freezes up again and does not automatically defrost, the defrost thermostat should be replaced. Call the manufacturer at 1-800-533-7533 for parts and instructions.

If the evaporator coil is (mostly) warm and free of frost and ice, it is likely that some of the dehumidifier refrigerant has leaked out. this type of service should be done by a (refrigerant) certified technician. Call the manufacturer at 1-800-533-7533 for help with this service.

Aug 20, 2013 | Therma-Stor Santa Fe Dehumidifier

1 Answer

I have a De Longhi de500p. Runs and I can hear the compressor kicking on and run. But I am not getting any water in the tank. Room temp 75 degree and humid meter set at 40 .Please give me some advice


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


-=-

Aug 31, 2011 | DeLonghi DE500P 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

I have a Danby Silhouette and the fan works but the dehumidifier doesnt.


Bryan, it may imply be a case of the humidity extraction level being set to high. Lower the level to 35% and see what happens. As far as the fan running is concerned. Most dehumidifiers are designed for the fan to run, even if the compressor doesn't turn ON. It's designed to keep the air circulating and if the humidity rises above the setting you have it on, the humidity sensor will pick up this change and turn the compressor ON.

Also, remove the air intake filter to see if it's clogged and needs cleaning. Maintain at least a minimum of 12" of free air space all around the dehumidifier. Poor air circulation will prevent the unit from working properly. As will, to low an ambient air tempeature. Most unit struggle to work at temperature between 40 & 60 degrees F.

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

Jun 04, 2011 | Danby DDR451 Dehumidifier

1 Answer

Everything seems to be working although I've set the humidity level at 50 but container still dry and humidity level still remains at 70. I trouble shooted everything per manual by cleaning filter...


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

;

';';
';

May 26, 2011 | DeLonghi DE500P Dehumidifier

1 Answer

I have Delonghi DE500P dehumidifier was running but doesn't pump water. how can i fix it.


Hi,

First, make sure the humidistat isn't set too high by adjusting it to the lowest humidity setting and running it again. Next, test the dehumidifier by placing it in a closed bathroom with a hot shower running. If you don't see water collecting in the unit after several minutes, turn the unit off and clean all dehumidifier filters and coils. If, after adjusting the settings and cleaning the unit, you still don't see water collecting, you may have a refrigeration issue. This situation will have to be addressed by a qualified technician.

Good luck

Aug 11, 2010 | DeLonghi DE500P Dehumidifier

1 Answer

I have Haier DE45EJ-L I am confused at what the setting should be. The Temperture is 68, when I put the humidity setting at 50 it shuts down, if I put it to 38 moisture is removed from the air. All the...


The unit shuts down when set at 50% because the controller is sensing that the humidity is below 50% RH. It comes on when set at 38 because the RH is higher, so it will try and dehumidify down to 38% RH.
According to the EPA the ideal RH in a conditioned space is 48 to 54%. You can set it and leave it at 50% if you are comfortable there and the dehumidifier will automatically come on when the RH is above 50% and will automatically turn off when the RH is 50% or below.

Mar 23, 2010 | Haier Dehumidifiers

1 Answer

Relative humidity setting changes


My guess is the unit knows it can't reach 35% humidity, bacause it's measuring the ambient humidity. Dehumidifiers usually can't drop the RH more than around 10%.

My guess is the RH in the room is around 75% when this happens.

May 13, 2009 | Frigidaire Dehumidifiers

1 Answer

No power


Factory Default Setting:
When the unit is first connected to a power supply, the
electronic circuit board will automatically default to the
following factory settings;
Mode: Dehumidifier
Humidity Set Air Value:60% RH
Fan Speed: = Low
NOTE: In the event of a power failure or the unit is
switched ‘Off’, the most recent settings are retained and
restored once the power is switched “On”/resumed.
IMPORTANT NOTE: Depending on the ambient humidity
conditions, when power is restored or switched ‘On’ the
dehumidifier may not start automatically under the factory
or custom (see page 7) default setting. This is an indication
that the ambient RH% level of the surrounding environment
is lower than the current default setting and it
may be necessary to select a lower set RH% value.

Feb 16, 2009 | Danby DDR586R Dehumidifier

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