Question about Maytag M7DH65B2A Dehumidifier

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Icing up even at the lower setting - Maytag M7DH65B2A Dehumidifier

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Hi,

Here is a tip that I wrote that will help you understand why and what you cando with a dehumidifier that ices up.

Dehumidifier is Freezing up and not working

heatman101

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Posted on Sep 30, 2010

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My Kul Dehumidifier filter keeps freezing up? is there anything I can do to keep this from happening?


Turn the knob to a lower setting so that the unit cycles on & off. This will give it time to warm back up and melt the ice in between dehumidifying runs.

Aug 30, 2015 | KUL 50 Pint Dehumidifier"

1 Answer

A3DH30B2A ices up and does not seem to cycle, even at low speed


Icing is normally caused by lack of air flow. Check the air filter and cleanliness of the coil. Look for obstructions in the fans path and even a dirty fan blade.

Sep 04, 2013 | Fedders Dehumidifiers

1 Answer

The 54701 Kenmore Dehumidifier runs and sounds normal, fan running, compressor on. However , it doesnt collect any water whether a hose is connected or just the bucket. No icing up or any weird noise...


Yes, if the compressor needs to be recharged, a service technician can do it.

In the meantime, try lowering the humidity extraction level to 35%. You may have the extraction level set to high.

Hope this helped you. Thanks for choosing FixYa.

Aug 21, 2011 | Kenmore 54701 Dehumidifier

2 Answers

Why is my dehumidifier icing up.


The room temperature is probably too cold, or there's poor airflow
Here's some info that should help you figure out what's causing the problem:

If the evaporator coil is frosting completely and evenly, the most common cause is that the room temperature is too cold. Most dehumidifiers are not meant to be used when the room temperature drops much below 70°F and certainly not below 65°F (depending on humidity). There are however some models called "basement" dehumidifiers which are.

Another possible cause on standard models is poor air flow through the unit. If the fan motor is not turning fast enough (or at all) or the evaporator, condenser or filter (if used) being plugged can also cause this symptom .

May 13, 2011 | Goldstar DH304 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

2 Answers

It keeps icing up even at the lowest #1 setting


is the filter dirty or is the air flow not as much as it used to be - low freon pressure - low air flow causes a/c units - dehumidifiers to ice up - if fan is running normal are the fan blades dirty

Sep 25, 2009 | Maytag M7DH65B2A Dehumidifier

2 Answers

P1 code displayed in LED


Condenser coils do not freeze, it is the evaporator coils that freeze. If it is icing up then the setting is too low for the area it is in, basically the humidistat will never be satisfied so it will run continually and end up freezing the evap coils, the coils could also freeze if the filter is dirty or there is an air flow problem.

Apr 13, 2009 | Dehumidifiers

1 Answer

Dehumidifier


Check the coils for icing. You may need to remove a cover to see them. IF the temp is much below 65-70 degrees, there is a good chance of icing. Take it upstairs or where it is warm and try running it to see if it removes moisture. If it does, it is probably icing. Raise it off the floor as the temp is higher towards the ceiling. Hope this helps

Jun 26, 2008 | Dehumidifiers

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