Question about Dehumidifiers

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My Rowenta Vitality dehumidifier switches off after about a minute the same way it does if the tank is full. I have cleaned the filter at the back but no change. Can you help?

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  • Dehumidifiers Master
  • 3,368 Answers

Check the fan and be sure the air path is clean.

Posted on Jun 18, 2014

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Posted on Jan 02, 2017

  • 184 Answers

SOURCE: dehumidifier


Posted on Apr 05, 2008

  • 1 Answer

SOURCE: Haier HDN305 Dehumidifier

The Comfort-Aire crapped out again! We started the season with a little 17-pint Sears, but it wasn't cutting the mustard getting the accumulated moisture out of the cellar, so we fired up the Comfort-Aire 65-pint machine. It got the humidity down to 50% pronto, and kept it there for the better part of a week when all of a sudden it quit. Died! Nothing! Not a glimmer in the control panel, and pushing the buttons did absolutely nothing. Unplugging it and plugging it in again produced a faint "chirp" but that was all. Naturally, the thing is weeks out of warranty. Without the warranty, the nearest service place wants a $60 "consultation fee" just to look at it, so I decided to see if I could fix it myself before seeking professional aid.

After getting an exploaded view of the machine from the web, I removed the collection bucket, the filter, and the two screws from under the plastic front cover. In addition to the two screws, the cover is held by little tabs that fit into notches in the steel sides. To get the plastic cover off, I slid a wooden popsicle stick under the plastic, thus stretching the plastic enough to get the tabs out of their holes without scratchng the unit.
The front cover is tethered to the unit by a cable attached to a circuit board which forms the back of the push-button control panel. On one side of this circuit board there is a row of 14 soldered connections. They are very close together, and any conductive contaminent that gathers between them is guaranteed to short them out. That's apparently what happened to mine, for scraping between them with a toothpick, and cleaning them with a toothbrush
brought the unit back to life again. That's all it took to repair my Comfort-Aire. The plastic cover snaps back
in place easily.

Posted on Jun 09, 2008

  • 1 Answer

SOURCE: runs 5 min then quits

whomever suggested clipping the white wires to the dial was right on and saved me from spending another 170 bucks Thank you!!!

Posted on Sep 10, 2008

  • 43501 Answers

SOURCE: Maytag Dehumidifier will not run. Indicator light says "full"

Here is a tip that I wrote to help people with just that dehumidifier2_bing.gif problem..

Dehumidifier Problem It shows Bucket Full


Posted on May 04, 2010

  • 43501 Answers

SOURCE: My dehumidifier continually runs and removes

There are many reasons why a dehumidifier willnot work or collect water.
Here is a tip that I wrote to help people to figure out what is going wrongwith their dehumidifier

Dehumidifier is running but no water is in bucket




Posted on Jun 15, 2011

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2 Answers

Why did my dehumidifier suddenly stop dehumidifying, fan works fine

check that the tank isn't full or the outlet hose is not blocked. Remove the filters and clean if required.

Jul 27, 2014 | Fedders A7DH45B2A Dehumidifier

1 Answer

Red exclamation sign blinking

Dehumidifier? Sounds like a warning of some sort. A humidifier does a simple job, removing moisture from the air. If yours is not set up to drain, it could have a full holding tank. Empty it out and give it a rinse and it should be good. Drop a couple drops of chlorine bleach in it to keep down the mold growth.

If it isn't a full tank, it could be an air filter that needs cleaning or replacing. Often these things are programmed in and needs to be cleared. Clean and or replace any and all air filters and look for a reset button.

Good luck.

Mar 15, 2014 | Dehumidifiers

1 Answer

I have a delongji DEM 10 dehumidifier and it keeps switching to pause, I have cleaned filter switched off for a while but it still won't come on

follow this steps and fix it. God bless you

Unless you are licensed and qualified professional, do not try to repair a dehumidifier by yourself. If your unit is running constantly yet there is no water in the tank, try lowering the temperature control. If the problem persists, there may be a problem within the refrigeration system. You may need to pull the filter and clean it. Also try wiping off the unit itself. When the water tank is full, the unit will shut off and will not run until the tank is emptied. The dehumidifier shuts off by a safety switch in the back of the unit. If the switch is not working properly, you may try manually pressing the button or slightly bending the switch.
    Motor If the fan motor is damaged or will not work, no cool air will be coming out of the dehumidifier. The unit, however, may still run. You may need to replace the motor. If the coils in the back of the dehumidifier constantly freeze, try turning off the unit for an hour or re-locating the unit to a higher position to allow the room to heat up. If your water tank is constantly full and you are emptying it on a daily basis, you may have a water leak somewhere in the room with the dehumidifier.

    Oct 30, 2013 | DeLonghi DE500P Dehumidifier

    1 Answer

    Unit will turn on for less than a minute and then shut itself completely off. It is not the switch for the bucket and the filter is clean. Any ideas on what can be causing the problem?

    More than likely. the humidity extraction level is set to high. Lower it to 32 - 35%. If the unit is being used in a basement application, to air temp at floor level may be to cold. Setting the unit up off the floor on to a sturdy table or cabinet top, that is sturdy enough to handle the weight of the unit, plus a full tank of water will help.

    Jul 04, 2011 | Maytag M7DH45B2A Dehumidifier

    2 Answers

    My dehumidifier will turn on but after a few minutes it shuts off on it's own.

    There are many reasons why a dehumidifier willnot work or collect water.
    Here is a tip that I wrote to help people to figure out what is going wrongwith their dehumidifier

    Dehumidifier is running but no water is in bucket


    Apr 26, 2011 | Whirlpool AD70USS Dehumidifier

    1 Answer

    I have an LG LHD65EBL dehumidifier. When I checked on it today the unit was not running and the display read "CH 01". I tried cleaning the filter, cleaning the front of the coils, and resetting the unit by...


    The tank may be full. Your dehumidifier has a safety device that turns off the dehumidifier when the water tank is full. Usually the tank itself either presses against a switch or there's a device connected to the tank that triggers a switch when the tank is in place and full.

    If you've emptied the tank and the unit doesn't run, inspect the place where the tank rests to see if there's a switch or mechanism that's not being activated. You may be able to turn it on with a simple flick of your finger.

    Take care.

    Aug 15, 2010 | LG LHD65EBL Dehumidifier

    2 Answers

    My DeLonghi Portable Dehumidifier Model DEM10 has stopped working. It doesn't make the same noise when you turn it on anymore i.e the slight refridgerator sound. Does this sound like a repairable problem...


    First, make sure the reservoir is empty. If you plug the unit in and see a green power light, but the unit won't run, make sure the reservoir is properly inserted. Many dehumidifiers have switches or sensors to make sure that the reservoir is placed so that it won't leak. Look for these sensors and make sure the reservoir is engaging them. If your dehumidifier has a float or switch to indicate a full reservoir, make sure this switch isn't being tripped accidentally.

    Good luck.

    Aug 13, 2010 | DeLonghi Dehumidifiers

    1 Answer

    I need to know how to clean filter. Lost book


    follow the below instructions:

    Turn off the dehumidifier machine and unplug it from the wall.

    Lift the water bucket up and out of the dehumidifier.

    Locate the filter located under the compartment that houses the water bucket. Lift the filter straight up and out of the dehumidifier.

    Vacuum as much of the visible dirt and debris as possible.

    Fill a sink half full with water. Place the filter in the water and allow it to soak for one to two minutes.

    Wipe both sides of the filter with a wet sponge to remove any remaining dirt and debris. Rinse the filter with clean water.
    Wipe the filter with a dry cloth to remove excess moisture. Allow it to air dry for approximately 30 minutes before inserting it back into the dehumidifier.
    Good luck.

    Aug 11, 2010 | Frigidaire Dehumidifiers

    1 Answer

    Goldstar dehumidifier model # DH305

    I had this problem on a similar model. There is a pressure switch the tank when full pushes in, sometimes mine would stick. A little graphite for key locks was my remedy. Had to clean it up some though. Good luck!

    Jul 13, 2009 | Goldstar DH304 Dehumidifier

    1 Answer

    Full light comes on early

    Most dehumidifiers rely on a float sitting in the pail to rise, turning off the switch. Check and see if the float moves clean and smooth, and is sitting in the pail rather than resting on it's brim.

    There may be other safety switches, like a temperature sensor to turn it off if it runs the risk of freezing up or overheating.

    Sep 18, 2008 | Maytag M7DH45B2A Dehumidifier

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