Question about Whirlpool AD70USS Dehumidifier

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Fan runs all the time

I have my unit set on normal humidity with the fan setting on high. While the unit itself cycles on and off the fan runs all the time. Is this normal? I f I put the fan seeting on low the fan doesn't turn off and on normally. It will make a lot of noise.
kelly
kholde@embarqmail.com

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What control did you replace? My fan runs all the time as well. The unit appears to be working as the bucket is filling with water. However, the fan never stops running (which is driving up my eletrical bill)...

Posted on Jun 04, 2008

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I HAVE HAD A COUPLE OF UNITS THAT HAVE KEPT THE FAN RUNNING ALL THE TIME. I REPLACED THE CONTROL AND THAT TOOK CARE OF THE PROBLEM.

Posted on Apr 05, 2008

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1 Answer

Our dehumidifier is running some of the time an not at other times but no longer has any water in it (for several weeks) Is something busted?


to test your unit simply lower the humidity setting an see if it comes on in a few minutes , if it does listen for two motors to run (compressor and fan) this is normal , if not then it might have a problem then

reset humidity setting to normal (72%rh)

Nov 05, 2015 | Dehumidifiers

1 Answer

Followed turn on instructions in manual.CO display 2 days. continually. Unit gets Very warm & fan runs if turned off. Have to unplug to stop. Unit used approx.3 mo in '14 & just restartd this week.


could you be mistaking the room humidity indicator for the time? reason I ask is on these one display units this happens more frequently than Id care it too , the one display shows both time and room humidity also set point humidity , the only way one can tell is on some models there is a tiny light that shows up next to labeled function , easy to miss It , also if your machine is sort of new (last few years) it has been decided that it's more efficient to let the circulation fan run all the time , regardless of room humidity . this makes it a little annoying (noise) but they do cycle the compressor to regulate the room humidity

May 28, 2015 | Dehumidifiers

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We don't have a manual, it's a new unit but never been used. We can't figure out what all the control panel buttons mean. Help please.


if its a newly mfg unit then yes the fans gonna run all the time , that's done to increase efficiency , if you hold down on arrows then you should be able to adjust the rooms humidity level, the default screen is the actual rooms humidity level , if you hold down mode button , this will cycle thru some timer modes that ind on the display

it should turn itself off when bucket is full , this even stops that fan from running most times

May 19, 2015 | Dehumidifiers

1 Answer

Why does the fan run non stop? the compressor runs and shuts off but the fan just runs on high and low. I have 3 other dehumidifiers that the fan runs only when the compressor runs...why doesnt the...


Depending on the time sequence you have this unit set to run, Fredrich's are designed so that the fan runs almost constantly, to keep the air moving. When it senses a rise in humidity above the level you have it set on, the compressor turns ON and runs until the level of humidity is lowered. This is especially true, if you are operating this unit in continual mode.

Hope this helps you and thanks for choosing FixYa.

Aug 14, 2011 | Friedrich D50C Dehumidifier

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My DH40 unit kicks on and off very frequently while the fan is constantly running. What do I need to do?


Toni, this sounds like the humidity extraction level is set to high. Lower it to 32 - 35%. The fan is running in an effort to recirculate the air. If the unit senses a rise in humidity above the level you have it set on, the compressor will turn on to extract the rise in humidity. That's why I think your level is set to high.

Hope this helped you to troubleshoot and solve the problem.

Jun 25, 2011 | Goldstar Dehumidifiers

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Does the fan on a Kenmore dehumidifier run continuously, or does it shut off when the set point is reached? I returned a Frigidaire unit because the fan is designed to run continuously.


That depends on the manufacturer and in what mode you are operating it. If it's Continuous Mode. Yes, the fan will continue to run, as it's recirculating the air, in an effort to determine if and when the humidity level rises. Then the compressor will turn ON to extract the humidity.

Also, most units will do this if they are running thru the Defrost Cycle. This happens when the cooling coils frost over. It to, is a normal cycle.

So, if you are operating the dehumidifier in Continuous Mode, it's acceptable.
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Hope this helped you. Please let me know. Thanks.

Jun 18, 2011 | Kenmore 54501 Dehumidifier

1 Answer

My Kenmore dehumidifier has stopped drawing water from the air to the collection receptical. Fan still runs at high and low speeds.


A couple of things may be happening: The humidity extraction level may be set to high and it can't extract any humidity at that level. Reset/Lower it to 35%. The fans on most dehumidifiers run almost constantly (designed that way) so that it keeps moving the air around. If the sensor picks up a higher humidity level than what it's set to maintain, the compressor will turn ON. This is particularly true, if you operate the unit in continual mode, rather than a timed mode. Also, a dirty or clogged air intake filter, hinders the units ability to remove humidity/moisture.

In addition, operating the unit is ambient air temperature of between 40 & 60 degrees F, causes the unit to struggle to dehumidify the air and the fan to run continuously. Obstructing the air flow around the unit, will also cause it to not function as it should. Maintain a minimum of 12" of free air space around all 4 sides of the unit.

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

May 28, 2011 | Kenmore Dehumidifiers

2 Answers

Product is about 6 years old. Used in basement. Worked great until this year. Now will run continuously but collect little water. What type of service do I need? This is a 65 pint per day Whirlpool.


There is some service that you can do ... Clean the filter and the cooling coils, regularly. Check the humidity level that you have the unit set on. It may be set to low and there's just not that much humidity in the air at this time, for it to collect. From what you said, it sounds like you may have it set on continuous cycle which could account for the lack of a lot of water in the bucket. In continuous run, the fan stays ON all the time. It's supposed to do that, so that the air is constantly moving and the sensor only turns the compressor ON, if it senses a humidity level 5% higher than what you have it set for. Try running the unit on a 1 or 2 hour cycle (if your model will do that) rather than continuous cycle.

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

May 18, 2011 | Whirlpool 75-Pint Dehumidifier

1 Answer

My dehumidifier compressor runs and then shuts off, then runs and shuts off, continuously. The fan continues to run. It seems to be pulling water, though it's hard to tell how much because I have a...


Part of the problem may be that you have the humidity level set to high. The fan runs constantly to move the air around. When the unit senses a humidity level higher than what you have it set for, the compressor turns ON. Once it's ON, if the humidity level is short lived, it turns OFF.

Try setting the humidity level to the lowest possible setting. Usually, that 45%. If the humidity level in you home is higher than that, the compressor should turn ON and run until either the bucket is full or the humidity level reaches 45%. If this doesn't solve the problem, turn the Master ON/OFF Switch to OFF and unplug the unit from the wall outlet for 12-15 minutes. Plug the unit bakc in, turn the Master ON/OFF Switch to ON and set the humidity level at it's lowest setting. Allow the unit to run until it cuts OFF and check the bucket for water. Hopefully that 12-15 minute time out allowed the unit to reset itself.

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

May 11, 2011 | Maytag M3DH30B2A Dehumidifier

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DH30 Dehumidifier Compressor Does not Operate


I just picked one up at a tag sale, seller said it worked sometimes. Seems to have the same problem as yours. I took the time to tweak all of the connections and then re-soldered the control board with no luck. I finally disconnected the humidity control and it worked fine. By disconnecting the humidity control the unit defaults to it's highest setting and you have to unplug the unit to turn it off. Conclusion so far is that the humidity control rheostat is bad.
Note: Now while running the fan runs continuously and the compressor cycles on and off every 10 to 15 minutes. This may to be normal since the unit appears to be doing its job and I'm not sure how it is supposed to run since a purchased it broken.

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