Question about Eva-Dry EDV300 Dehumidifier

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Dehumidifier icecing up

Runs continuously and icing up

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Three possibilities for coils icing up.

1. Low ambient temperature in the area where dehumidifier is located. If so, shut down and de-ice it. Then move the unit to a different - (warmer) - location and start it up.

2. Heating element - (which cycles periodically to liquify frost on the coils and allow water to drain) - is malfunctioning.

3. Low refrigerant level in the unit.

Posted on Jul 20, 2009

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Why does compressor continue running, even with dehumidifier turned off?


Hello Bernard, thank you for your post!
I see that you are experiencing an issue with the Frigidaire dehumidifier, FAD704DWD, compressor consistently being on. This could be a possible issue with your control panel or sensor. Since it could be any one of these underlying issues I would suggest contacting the manufacturer for further assistance. Hopefully this information is helpful to you. -Matt

Feb 16, 2016 | Frigidaire a/c fad704dwd 70 pint...

1 Answer

Icing coil ices up ,but will not defrost no matter how long it runs. It just continues to build up ice.


If your dehumidifier is freezing up then that probably means the unit itself is actually working well, and you probably just have the unit turned up too high for the conditions.

Try turning down the setting on the unit so that it cycles on and off every few hours and does not run continuously.

Also try using some warm soapy water to clean off any dust or oily residue from the cooling coils in the rear of the unit. Remember to also clean the air intake filter while you are at it.

The ambient temperature in the room may also be a bit too low, so you can try adding some heat to the room if necessary. A dehumidifier will not work properly if the ambient air temperature is too low. Basically, the warmer and more humid the room is, the better they work. Since warm air rises, you can even try lifting the unit higher up off the cold floor onto a bench or table where the air is warmer.

Sometimes the drain tube leading to the bucket is clogged. You can often clean this out by inserting the pointy end of a long heavy duty plastic zip tie and jiggling it around a bit. Do not insert anything metal or sharp into the tube or you may damage it.

You can click on the following link for a general operating and troubleshooting guide with additional tips on effective dehumidifier operation:

http://www.allergyconsumerreview.com/dehumidifier-advice-troubleshooting.html

And here is a link to a tip from another Expert (Heatman101) which includes his very detailed troubleshooting guide for dehumidifiers:

http://www.fixya.com/support/r4662409-dehumidifier_running_but_no_water_in

I hope that was helpful to you, good luck and take care.

If you choose to rate this solution, or Heatman 101's tip using the Thumbs Up scale provided, I thank you very much for your time and consideration.
Joe.

Jun 21, 2011 | Haier AHD25 Dehumidifier

1 Answer

Our dehumidifier has formed a sheet of ice amongst the coils and will no longer pull moisture from the air. The hole from which the water drips is completely iced over. It is 70degrees in the room and...


Turn the unit OFF and unplug it from the wall. Allow it to thoroughly thaw and remove the humidifiers cabinet to expose the cooling coils. Clean those thoroughly and coat with a very light coating of WD40. Reassemble the humidifier and turn it ON. Set your humidity control at 50% and allow the unit to run for at least one hour. Check for water collection in the bucket and for any signs of icing, after one hour. If water is in the collection bucket and no signs of icing, lower the humidity to 45% and continue. If you not any signs of icing, watch the unit, as you need to know if it automatically goes into defrost mode. The compressor should shut off, but the fan will continue to run until defrosting is completed. If it doesn't the auto defrost sensor has failed and will need to be replaced.
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Hope this helps you to troubleshoot and solve the problem. Please let me know. Thanks.

May 08, 2011 | Dehumidifiers

1 Answer

Compressor runs continually and cooling coils ice up but it doesn't defrost.


probally has lost some charge on the refrigerant. Low charge will ice the coil. Unless you are operating this at low temperatures. The ones I have seen do not have a defrost on them

Jan 14, 2010 | Maytag M7DH65B2A Dehumidifier

1 Answer

Icing on front of dehumidifier while it is


You are operating it in an environment where it is too cold.

Oct 04, 2009 | Dehumidifiers

1 Answer

Ice forms on the coils of a white westinghouse dehumidifier


if the filter is clean than it most likely is low on freon with the right tools you could add freon

Jul 06, 2009 | Dehumidifiers

1 Answer

Maytag m7dh65b2a freezes up ,


Found the instruction book and by reading the setting it allowed the machine to shut off before it freezes up.

Thank you.

May 28, 2009 | Maytag M7DH65B2A Dehumidifier

1 Answer

Dehumidifier freezes up


Most dehumidifiers need warmer air to work properly. The temperature in a basement is usually 60 - 65F; too cool for standard models. You could buy a "basement" dehumidifier. They're designed to work at lower temperatures; some as low as 40 F. Costs are about the same as a standard dehumidifier; you just have to find it.

For a cheap fix, try this; it seems to be working for me.

Since the condensate coil (the one icing up) is cold, the air entering it is too cool and the condensate frosts up the coil. Additional condensate freezes to the frost and before you know it, you've got a block of ice. Since the air coming out of the front is very warm take a large piece of cardboard around 6' x 3') and form a V. Placed it in front of the dehumidifier so it channels some of the warm air back to the rear where it warms the moist air up before it hits the cooling fins. It's helped keep the ice down.

If you want something attractive, any screen that redirects some of the air back to the rear will work. Just leave the top open so it doesn't get too hot and the some of the drier air gets out into the room.

Jul 02, 2008 | GE AHG40LJ Dehumidifier

1 Answer

Goldstar dehumidifier


Hi,

Two possibilities:
1. Continuous running and there is water coming out of the unit to the floor drain; the unit is just doing its job. It is probably just that there is that much humidity in the room;
2. the sensors are faulty or were bypassed during the repair - the sensor would be testing the water coming out, if there is water, the unit continues to work, if none, then it shuts off. Most would also have an overfill float switch, again which could be bypassed, that likewise control whether the unit will continue to run or stop.

Hope this be of initial help/idea. Pls post back how things turned up or should you need additional information.

Good luck and kind regards.

Thank you for using FixYa.

Jun 03, 2008 | Goldstar DH504EL Dehumidifier

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