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I have a Danby model ddr7009ree dehumidifier that constantly freezes up. Is there a frost sensor in the unit? I have replaced the humidistat but no change.

Posted by Stephen Bentas on

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Anonymous

  • 525 Answers

SOURCE: Humidty reading remains at 84%

Dehumidifiers are generally a very simple appliance, however a humidistat is one of those items a person tends to rely on to provide feedback. You may want to remove the grille area where the humidistat is mounted and inspect for foreign material in the way of the sensor. If nothing foreign is detected then you should replace the humidistat.

If my assistance helped resolve this issue, please show your appreciation by rating how effective my advice was in resolving this issue.
Thank you,
Dave E. (Illeagle)

"Your satisfaction is my personal reward"

Posted on Jul 01, 2008

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Anonymous

SOURCE: LG Goldstar dehumidifier runs constantly

sounds like the rheostat (aka rotary swithch) is opened (fried). can get new one on www.appliancefactoryparts.com for 8.19 + s/h. need to know how to solder though. otherwise you will be looking at having to buy new unit for $120+

Posted on Aug 04, 2008

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Anonymous

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SOURCE: Replacement HEPA filter for Danby DHCC6020?

We just ordered from Danby... call 1-800-26-danby... it's part number 6020.02

Posted on Jan 15, 2009

Anonymous

  • 1 Answer

SOURCE: Danby ddr7009ree - continuous drain won't work

I have the same Danby unit and the same problem. When you take out the water bucket look inside and find the two holes where the water drips into the bucket. These holes are approximately 5/16" and 3/8" diameter. These holes need to be plugged. Your local hardware store has an assortment of specialized parts boxes. Find the box that contains "corks" of various sizes. They sell for about 20¢ apiece. I bought 5 within that size catagory and two of them worked! Problem solved.

Posted on Sep 05, 2009

Sheikhtijani

Shehu Pro

  • 1284 Answers

SOURCE: Danby Dehumidifier Model # DDR557HE Serial #

Hi,
If you are having problems with your dehumidifier freezing up them here are a few things that you can check and also a few things that may help you.

First check the ambient temperature of the room at the level of the dehumidifier. If it is below 65 degrees and you do not have a special low temperature dehumidifier then you are asking for trouble. Most units are only designed to work in temperature 65 or higher and will freeze if they are working at lower temperatures. Some even will not work well below 68 degrees F.

Many dehumidifiers will shut off when the coil starts to freeze to let them thaw, then they will restart when the coil is warm enough again. This can take an hour or so. Some will not shut down the compressor and when the dehumidifier coil starts to freeze it reduces the air flow and only compounds the problem.

Check the air flow over the coil. If the coil becomes dirty or the fan motor stops or even slows down a bit, you will get freezing. The dehumidifier is very dependent upon the proper amount of air going over the coil to keep the coil warm enough to not freeze. Any restriction will cause problems.

The final and worst thing that can happen is for your dehumidification unit is to develop a slight leak in the refrigeration system. This will cause the coils to run even colder then they would normally and this will create the same problems. If everything else check out then you may have to have the refrigeration system checked by a professional. The problem with this is that many of these units only cost a few hundred dollars and a service call can soon add up to more then the unit is worth.

Some things that you can do to help out a dehumidifier that is freezing up are:

Raise the temperature of the room and provide a bit of heat for the room as the dehumidifier is actually a very small A/C unit.
Raise the dehumidifier up off of the floor… the air is usually warmer when you go higher up in the room, hot air rises.
Clean the coils off so that the air can flow through them easier and keep them warmer.
Make sure that the fan motor bearings are oiled and that the fan is running freely. Even a tiny bit of resistance will slow the fan enough to make a difference.


By checking all these things out and making some small changes you maybe able to make your dehumidifier work much more effectively.

Take care

Posted on Jul 23, 2010

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I have the same Danby unit and the same problem. When you take out the water bucket look inside and find the two holes where the water drips into the bucket. These holes are approximately 5/16" and 3/8" diameter. These holes need to be plugged. Your local hardware store has an assortment of specialized parts boxes. Find the box that contains "corks" of various sizes. They sell for about 20¢ apiece. I bought 5 within that size catagory and two of them worked! Problem solved.

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If my assistance helped resolve this issue, please show your appreciation by rating how effective my advice was in resolving this issue.
Thank you,
Dave E. (Illeagle)

"Your satisfaction is my personal reward"

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The following statement is a parameter for all dehumidifiers and some of the control issues may vary, but the theory is the same.

Most dehumidifiers have a "Frost Guard" mounted on the condensor coil. If frost accumulates on the condensor coil the frost guard turns the compressor off until the frost melts, then comes back on again. For the dehumidifier to work properly, the surrounding (ambient), temperature must be higher than 65 degress. This temperature allows the moisture in the air to condense on the coils and drip into the reservoir without freezing up on the condensor coil. Also, if the humidity is too low, (below 45%), the same condition will occur. So it will help to keep the parameters in mind when you have this issue.

Thank you for your allowing me to advise you on this issue.

Dave E. (Illeagle)

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