Question about Ebac AD850 Dehumidifier

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Ebac 880 E

My defrost system is not working,
ice dont melt!
what can i do?
thanks

Posted by on

  • from belgium Jun 02, 2008

    hello,

    thanks for your help,

    but my model have e "frost guard"(ebac 880 E)

    end my humidity is 75%

    normaly its working automatily

    but now no more, i think i have e defoult.

    i dont now if a can fix it?

    (sory for my englis!)

    thank you!

×

1 Answer

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  • Master
  • 525 Answers

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.
If your model does not employ a "Frost-Guard" the condition you describe will avail itself when the above parameters are not met.
Simply unplug, or turn off the unit, until the above parameters are met or exceeded.


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

Dave E. (Illeagle)

Posted on Jun 02, 2008

  • David Emmel
    David Emmel Jun 02, 2008

    Great hearing from you, my family comes from Belgium so I can understand well what you are saying.

    Since your humidity is in the proper range, and I can assume that the temperature is also, then you may have a faulty frost guard or a pressure problem in the sealed system. Unusual, but not rare. If you have a warranty on the unit, I would exercise your right to get it fixed or replaced.



    Good luck!



    Dave Emmel (Illeagle)

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My dehumidifier does not seem to be working properly. I can't find the manual to tell me what the settings should be. Would appreciate your help. It is a DeLonghi DE400P. Thanks Shirley


What is the specific problem? Is no water being collected by the dehumidifier or do you have another issue?

Make sure that the dehumidifier is in a room in the operating temperature range (at or above 44 degrees F). Make sure that the room door and windows are closed and that the room is not larger than 2200 square feet. Make sure that the collection bucket not full and is properly seated in the dehumidifier. Check and clean the air filter on the dehumidifier. (Vacuum the filter or rinse under running water three times. Then wait until dry to replace it in the dehumidifier.) Look at the coils of the dehumidifier. If you have ice on the coils, defrost the unit (turn off, unplug and wait for it to melt). If the ice reforms quickly, you may have a leak in the coolant system. Then the unit needs repair.

Next make sure that you have good air flow around the dehumidifier and that the desired humidity set point is lower than the humidity of the room.


Retrevo has the manual available: http://www.retrevo.com/support/Delonghi-DE400P-Heating-Cooling-and-Air-manual/id/19269bh037/t/2/ . You will need to enter a code to download the PDF.

I hope this helps.

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A dehumidifer needs to create a COLD surface, on which to condense the moisture in the room.
If your room is quite cool, it is esily possible that the COLD surface can go below freezing-- Now the water is trapped in the ice-- So-- it has to defrost, to melt off the ice, and start all over again!

Can you move the Dehumidifier to a warmer spot-- maybe near a radiator, or a heat register? -- You will remove much more moisture in that way, too..

Just a question: Most homes are WAY TO DRY during the winter months-- are you sure you need to dehumidify your living area? (Maybe you are drying the basement?-- or a wet area?)

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