Question about Danby DDR4588EE Dehumidifier

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Unit was removing water at the beginning of this season and reducing humidity from 78% to less than 55%. Now there is no water coming from the tube and unit starts at 55% humidity.

Gos down to maybe 54% and stays there. Are controls not set right? Is there a manual or printout that shows how to use the controls? How do you set unit for automatic shut-off?

Posted by Anonymous on


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Posted on Jan 02, 2017

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SOURCE: Not removing water and says tank it full

I just had one giving me the somewhat the same problem. Upon taking it apart I found that the entire inside was filthy. This thing runs in a work area in my basement and sucks up all of the dirty air. When you take the water out of the dirty air you have nothing but the dirt and the water. When you mix those together you get mud which is what clogged everything up in mine.

Dehumidifiers need to be clean on the inside to run properly especially all of the fins on the condensor. You will probably have to take it apart and clean it. Concentrate on the fins and the water collection areas. Dehumidifiers remove heat from the air which causes the humidity to collect on the condensor. As it collects it turns into water droplets. Gravity pulls the water droplets into the water collection areas and that flows to your tank. There is some sort of float in your tank that lets the dehumidifier know it is full and shuts it off with some sort of switch. It does this so it does not just keep running and eventually pour water onto your floor. It sounds like your switch and/or float is stuck. Find the float and switch and manually work them to make certain they are working freely, clean if necessary.

If the dehumidifier does not remove water like it should it is probably not getting good airflow. There are ice sensors on the evaporator that tells the compressor to stop working. However the fan will still run to pull warm air across the ice so that it melts, goes into the water collection area and into your tank. Some of these ice sensors work by measuring air flow. If there is no air flow or very limited air flow the sensor will tell the compressor not to work. The fan will run again to melt the ice so that it melts and is removed. If your condensor is dirty and does not allow the air to flow, this could cause your problem.

Posted on Mar 24, 2010

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SOURCE: DANBY DDR7009 REE dehumidifier "Auto" shut off Malfunction

See previous answer. If new, contact supplier to replace float switch. Are you sure it's not just a fan staying on with the tank out?

Posted on May 15, 2012

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I have a brand new dehumidifier (properly sized) that is running 24 hours/day and producing some water (roughly 1L).

with a reading of 66 to 67 % rh this is a bit low for normal rooms humidity , I cant see why you'd want to try to get it down to 55% unless its for a special purpose (drying paint?) , I get this question a lot from folks , what I tell em is if you set your airconditioner in your home down to 30 degrees would your house ever get that cold = "no " the houses ability to heat itself is greater than the a/c units ability to cool it (even if its properly sized) so why would you expect a small appliance like a dehumidifier to be able to do any different ? all you end up doing is over working the appliance and costing you extra money in lost power
the general excepted room humidity is 70% rh this is a industry standard ,that all appliances are designed to achieve , and yes as the room gets dryer it will extract less and less water from air

Jul 29, 2015 | Dehumidifiers


Taking the Confusion Out of Using a Dehumidier

Many consumers are confused about setting the proper levels of humidity on dehumidifier units. And then think something is mechanically wrong with the unit. When in fact, over 70% of the time it operator error. That and a lack of proper routine maintenance are the problem.

The numbers on the LED screen represent the amount of humidity you want to maintain. Not the amount you want to remove. For example: If you set the level at 70%, which is rather high, more than likely the unit may start up momentarily and then shut OFF. That's because the setting is to high. Now, if you set it at 45%, the unit will turn ON and run until either the bucket is full and/or the humidity level has reached 45%.

Here's a good rule of thumb if you use your humidifier year round.

In the Winter you want to maintain a humidity level of 50 to 60%. The moister the air, the more comfortable it will feel. Plus, the humidity helps eliminate static electricity in the air.

Conversely, in the hot, humid Summer months, you want to keep the humidity level as low as possible (35% or less). Also, if you have ceiling fans, using them 24 hours a day, helps to move the air and generate a windchill, which fools your body into thinking it's cooler than what it really is. At the same time, it's saving on energy costs by not having to run your AC as much, because the dehumidifier is removing the humidity.

Just remember, the higher the setting, the higher the humidity level will stay. The lower the setting, the more humidity will be removed and the more comfortable you'll feel in the Summer.

And don't forget Routine Maintenance. Clean the air intake filter regularly. Clean and wipe down the refrigerant coils every 60 days. And don't allow water to remain in the collection bucket to long. As mold can build up in it.

Speaking of which, the water in the bucket, when fresh, is great for watering house plants. Because, when it's fresh, it's distilled water. No chlorine or minerals.

on May 04, 2011 | Maytag M7DH45B2A Dehumidifier

1 Answer

I have a Lasko 1050. The sensor on my humidifier isn't sensing the humidity level correctly; how do I reset it, please? Thanks!

im in the suspicion that since you turned it upside down , some or possibly a lot of stored up water has gotten into the sensor section now , this might take several days of it running in what to remove and dry it all out , or might never recover as it's not a good idea to turn any item containing a gas compressor up side down , as this forces lube oils into the wrong places inside them
for the most part humidity sensors are not consumer (resettable)

Feb 28, 2015 | Dehumidifiers

1 Answer

Not collecting very much water.

well 1st thing i tell everybody when this comes up is to reveryify your humidistat settings , you never know how that gets changed but it does sometimes second if unit is more than a few years old its less efficent and you might think about an upgrade to a better unit , saves u money in electric as well

Oct 11, 2014 | Dehumidifiers

1 Answer

What do the control knob numbers mean. Does the lower the number mean less humidity?

If you have an analog unit the humidity extraction knob should be turned to Maximum.

If you have an LED screen, the arrow down button is what determines the amount of humidity to be removed and maintained. In this case, the lower the number does mean less humidity.

On an analog unit, it's the higher numbers that determine the lower humidity levels.

I hope this helps you and thanks for choosing FixYa.

Aug 16, 2011 | Comfort-Aire BHD-301 Dehumidifier

1 Answer

Haier model hdn455 serial number 05021110 it runs but has never taken a drop of water out of the air, so it just keeps running

The problem, may very well be, that the humidity extraction level is set too high. Lower it to 35% and see what happens. Keep in mind, the lower the percentage of the moisture/humidity setting, the more it extracts from the household air. The higher the setting, the less it extracts from the household air.

Also, remove and check the air intake filter to see if that needs to be cleaned. It should be cleaned at least twice a week during the operating season.

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

Jun 06, 2011 | Haier HDN455 Dehumidifier

1 Answer

My humidifier will not remove water from the air anymore. The unit will run for hours with no water in the bucket. Temperature in the basement is about 63 degrees with a humidity level about 55%. But now...

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



May 07, 2011 | Goldstar Dehumidifiers

1 Answer

New unit, try using in basement. nothing happen, should humidity settings be high or low? Dose humidity level be high? In the bucket whats the plastic cup about? do something alow water to enter bucket?

If you trying to remove humidity, the setting or percentage of humidity to you want to remove should be set low. it's actually the humidity that will be left in the air. In the Hot Summer months, you want lower humidity, as opposed to the Winter months, when you want higher humidity.

"Plastic cup inside the bucket" - that's got me stumped. But, I suspect, it may be a float valve to turn the unit off, once the bucket reaches the full level. The water enters the bucket through a drain tube or hole from inside the dehumidifier, above the bucket.

By best advice, since this is a new unit, that you recently purchased, is read the Owners Manual/User Guide and become thoroughly familiar with the proper operation of your Dehumidifier, as well as how to properly maintain it. As, they aren't maintenance free.

Apr 15, 2011 | Haier DE65EJ Dehumidifier

1 Answer

The humidifier runs but doe snot collect water.

Most of the time this is based on the humidity level in your home and what you have set the humidifier to remove. However, if the filter is dirty or clogged, the unit struggles to dehumidify the area. Removing the filter and cleaning it, may solve the problem. And while you're at it, check the drain hole or tube, that drains into the bucket for clogs. You will have to remove the bucket to do this. Even though you may not be able to see a clog, it may be there none the less. Using an 18" long, plastic Zip Tie that will fit into the hole or tubing is a good way to clear it out. Just do it gingerly and work it past the curve in the tubing. When you pull it back out, be prepared for water to follow it. Whatever you do, DO NOT use a wire coat hanger to clear the clog. Also, before attempting any of the above, turn the Master On/Off Switch to Off and unplug the unit from the wall outlet.

Hope this helps you solve the problem. Please let me know. Thanks!

Apr 06, 2011 | Kenmore 54501 Dehumidifier

1 Answer

I just purchased this humidifier. I set the humidity temperature to 40 and the fan is constantly running but there is no water filling into the bucket. Although the humidity temperature is set to 40 the...

Nicole, some of the packing material may have gotten into the drain tubing or hole and clogged it. Remove the water reservoir and look for a vinyl tube or drain hole in the cavity that the "bucket" came out of. If you can see anything blocking it, carefully remove it. I don't think at this point anything would have gotten any further down the drain tubing. Since this a brand new unit, consult your Owners Manual for directions on how to Troubleshoot this problem. If that fails, it's under warranty. Contact the manufacturer as directed in the Owners Manual.

Hope this helps to get your problem solved.

Mar 17, 2011 | Haier HDN655E Dehumidifier

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