Question about Comfort-Aire BHD-501 Dehumidifier

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Iced up coils and will not dehumidify

Unit used to fill up within a couple days. now it won't fill up within a week. went to look a little deeper into unit and found the unit was frozen up with large amount of ice on condenser coils. unit is less than 2 years old..

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  • CragA Jun 26, 2008

    I have the exact same problem. I have have this unit for less than 1 1/2 years when this problem started. I clean the filters and the coils on the condenser where clean. I could see right through them. I think the dehumidifier is cheaply made and the welds on the cooling system are poorly welded, thus resulting in slow freon leaks, thus resulting in freezing. I would not buy any product from Comfort-Aire or parent company again.

  • Anonymous Sep 11, 2008

    Same problem. I have had it for less than 1.5 years and it is freezing up at the top of the coils. It had been working fine for about a year. It's supposed to be a low temp unit good to 42 F. Called Comfort Aire and was told only the compressor would still be covered. Pretty poor quality product. Not happy with it!

  • jimbojone310 Sep 16, 2008

    Oh yeah, same story here. What a piece of junk this is. I have had it for two years and the unit has always been EXTREMELY noisy. Now I am having the ice problem on top of the unit. Taking it apart and cleaning it didn't help at all. I will never buy Comfort Aire again.

  • sump0 Sep 28, 2008

    same exact problem. about 2 years old - icing up. Very dissapointed.

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I did a little digging around on the internet and found out that if the basement (or where ever you have your unit) is in an area where the room temp might dip below 65 degrees the coils may start to become "too efficient" in pulling the moisture/humidity out of the air and it begins to freeze on the coils before it can drip off into the reservoir. The site said to turn off the unit and let it thaw out, then restart it and see if everything works ok after that. If the temperature gets too low you might need to warm up the air in the room/basement before it will operate correctly again/not continue to freeze up. Hope this helps. Mine just did the same thing but we've had some pretty cold weather recently and the basement is fairly cold as well.

Posted on Feb 16, 2008

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Hello Friend, thank you for your question!

I see that you have frost accumulating on the coils of your Frigidaire dehumidifier, LAD704DUL. Typically frost appears on coils either because your dehumidifier has been turned on recently or the room temperature is too low. Sometimes this is normal due to refrigerant rushing through the coils and usually it disappears within 60 minutes. However, if your dehumidifier is not removing moisture, then at this point your dehumidifier may possibly been experiencing a sealed system issue. Is your appliance still in warranty? If so, you might want to reach out directly to the manufacturer to determine the coverage on your dehumidifier and the procedures to any potential remedy in that regard. Hope this helps! - Z

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Well, sounds like you have a good cold section in the dehumidifier-- that is good!-- But I agree-- we don't want water condensing on the surface-- and we surely don't need it turning to ice!
A couple questions to help us get to the next level of trouble shooting this problem:
1.) How cold is the room you are running the dehumidifier in?
(Obviously-- the warmer a room is, the easier to remove moisture--
the colder the room, the easier to drop the air temperature well below the freezing point-- making ice.)

2.) Have the air filters been cleaned/changed recently?
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3.) You have suggested a good solution,-- especially if the above problems can not be easily corrected: Turn off the unit every few hours, and allow the warmth of the room, to defrost the coil....
In fact-- just to make sure that the air flow is not being restricted by ice deep within the coil-- let it stay off over night-- or bring the dehumidifier into a much warmer room, to make sure no ice is still blocking air flow deep within the coil..

Let us know what you learn about air flow, and get back with us-- THen maybe we need to take the trouble shooting deeper insicde the device.

I hope this helps-- MB

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