Question about Comfort-Aire HD-651 Dehumidifier

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Rapid cycling I have the unit set on automatic at a 70% humdity level. As soon as the compressor activates, the level indicator drops to 65%, then to 60% within 30-90 seconds and shuts off. Within a minute or two the level is back up to 65% then 70% within another minute or two, and cycles back on. Today is a rather humid day, but even on low humidity days the indicator might show 55%, yet it still cycles on for a few minutes.

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The has been no solution offered, just as there was no solution for the individual who had a similar problem and posted in Nov 2006. The only offer is to purchase a solution which I have determined is the only function of this website!

Posted on Apr 02, 2008

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What are my humdity settings for DH504E Unit?


Simply put the humidity extraction settings generally range from 35% to 65%. The lower the percentage, the more humidity is removed and the house feels more comfortable. The higher the percentage, the more humidity remains in the house. In the hot humid Summer months, you want the humidity in the house to be as low as possible (i.e. 35%-45%) in the cooler months a higher humidity
( 60%) make the house feel more comfortable and does away with carpet static shock.

Choosing a setting is your decision, based on what I have explained above and your own comfort level.

I hope my information has helped you and thanks for choosing FixYa.

Aug 22, 2011 | Goldstar DH504EL Dehumidifier

1 Answer

I have always set my M7DH45B2A at 60 percent (it's in the basement). Lately it runs all the time and the humidity does not go below 65 percent. It seems "stuck" there even if I lower my...


There are 5 basic, but solvable reasons for what you described. Please pay particular attention to numbers 1 & 2.

1. The humidity extraction level is set to HIGH. Lower it to 32-35%.

2. Air intake filter is dirty or clogged. Turn unit OFF, & Unplug the
Unit, before removing to inspect & clean it, if necessary. If washed,
allow filter to completely dry before reinstalling. DO NOT operate
the unit without the filter.

3. Obstructed air flow. Maintain a minimum of 12 to 18" of clear air
space around the entire unit.

4. Cooling coils are dirty and need to be cleaned. Use warm water & dish washing liquid to
clean the coils. Rinse and wipe dry. Apply a light coating of WD40 to the coils.

5. Ambient air temperature at floor level is between 40 - 65 degrees.
dehumidifiers do not work well between those temperatures
(Unless, you have a Low Temp Unit). This applies mainly to
where the air temperature at floor level is colder than at shoulder level
in basement applications. Raising the unit up off the floor,
onto a sturdy table, counter top, etc, that can handle the weight
of the unit, plus a full tank of water, will usually resolve this
problem.

If none of the above solves the problem, it may be a case of the compressor needs to be recharged with refrigerant gas or that the humidity condenser sensor has failed. These things usually occur in units that are 5 years old or older. It's rare in a unit younger than that. But, it can happen.

I hope the above helped you. Please let me know and thanks for choosing FixYa.

Aug 10, 2011 | Maytag M7DH45B2A Dehumidifier

1 Answer

I purchased a 65 pint LG dehumidifer # LG LHD65EBL. This is the second one that I have had. I had to return the first one because it would not shut off when bucket was full. This one runs for about a...


First, tunr the unit OFF and unplug it for 10 minutes. Then plug it back in and turn it ON. It will automatically set at 70%. Press the - button and lower the humidity extraction level to 45% in increments of 5%. Once you reach 35% press and the - button one more time. Now the unit is set to run continuously, until the bucket is full and the unit turns OFF automatically or you manually turn the unit OFF. In case you have misplaced the Owner's Manual, I have included a link to it, that you can download and print. http://aic.lgservice.com/gcsc/dwn/main

I hope this helped you and thanks for choosing FixYa..

Jul 29, 2011 | LG LHD65EBL Dehumidifier

1 Answer

Hello - my dehumidifier only works if I put it to "on" by putting the setting all the way past 40% humidity. It worked last summer which was the first summer we had it and now it only works as...


Are you saying it has to be set below 40% to work? If that is the case, there may not be enough humidity, at this time, above 40% to activate the unit. Try setting it higher (a little over 40%) and just leave it alone for a while, to see if it will start up by itself, when the level rises above the setting.

If this is a basement application and the ambient air temperature is between 40 & 60 degrees F, dehumidifiers don't work well between those temperatures. Because the air temp at floor level is colder than at shoulder level. Raising the unit up onto a sturdy table, counter top, etc, that can handle the weight of the unit, plus a full bucket of water, will generally solve that problem.

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

Jun 20, 2011 | Haier 45-Pint Dehumidifier

1 Answer

The dehumidifier cuts off when it is set on 70% as soon as the compressor cuts on. i can leave it on lo and it runs.


If you're setting the humidity level on 70 % , that means you want to leave the relative humidity in the house at 70%. That's why the dehumidifier is cutting off. Your house is already at 70% humidity or higher. If you want to remove humidity, set the level lower. If your trying to make it cooler in the house or remove a lot of moisture, set it a 35 to 45%.

Hope this helped solve your problem.

Apr 16, 2011 | Kenmore Dehumidifiers

1 Answer

Frigidaire 70-pint dehumidifier won't work after winter


Hi,
No reset button on the compressor... but this tip may give you some clues as to what is or is not happening..

Dehumidifier is running but no water is in bucket
http://www.fixya.com/support/r4662409-dehumidifier_running_but_no_water_in

heatman101

May 04, 2010 | Frigidaire FDL60P1 Dehumidifier

1 Answer

LG LD65EL Dehumidifier doesn't work properly


What do you have the humidity level set at on your dehumidifier? The average is 65%. Make sure you do not have it set at 75% because if you do this could be causing it to keep the humidity so high.

Jul 02, 2008 | LG LD65EL Dehumidifier

1 Answer

LG LD65E humidity variance


Is the compressor running or is it just the fan? If its just the fan it is because it is cycling the air and it uses that air flow to check the humidity in the air. If the fan runs non-stop and the compressor does not turn on or the fan does not shut off there is a problem with this unit and you will need to replace it. Since it is brand new you should still be able to return it to the store.

Jun 27, 2008 | LG LD65EL Dehumidifier

3 Answers

Humidifier not taking out water


I have the same problem. I have had the unit less than a month. Haier's policy is for me to pay $14.99 so they can send me another one. What a huge ripoff.

Jun 03, 2008 | Haier 65-Pint Dehumidifier

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