Question about LG LHD45EL Dehumidifier

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It looks like my coil is freezing right at the expansion valve, and the rest of the coils are not getting cold. Any way to remedy that?

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Sounds like it may be short on refrigerant...

Posted on Jul 06, 2010

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Hi,
Here is a tip that will help you...
Dehumidifier is Freezing up and not working
http://www.fixya.com/support/r4662033-dehumidifier_freezing_up_not_working
heatman101

Posted on Jun 01, 2010

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Posted on Jan 02, 2017

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1 Answer

HI HAVE GOT A SWAN SH3010 DEHUMIDIFIER BUT THE COIL KEEPS FREEZING OVER WHAT AM I DOING WRONG?


Nothing.That's how it works. The coil gets cold. The moisture(water) in the air freezes to the coil. The coil then gets warm and the ice melts, dripping into the bucket or out the drain hose.

Jan 04, 2015 | Dehumidifiers

Tip

Dehumidifier Problems and Dehumidifier Troubleshooting


If you have a dehumidifier that is not working correctly you have many things that could be causing it not to work. Here I will give some of the common reasons why it could be giving you problems.

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  1. The coils in the back are frosting up.

The dehumidifier works by drawing the room air over a very cold coil. The trick is to keep the coil as cold as possible to make it pull water out of the air by making it condensate on the cold coil. If this coil becomes too cold, then the water freezes on the coil. The freezing can happen if the air temperature in the room is too cool and does not keep the coil warm enough. Raising the humidifier up off of the floor onto a table can help. The air temperature is often a bit warm the higher up you get. Make sure that the filters are clean if your unit has one. Restricted air flow will make the problem worse. Providing more heat to the room will help also. Most units will not work in a room with temperatures below 68 degrees F.

  1. There is no air moving over the coils.

This can happen if the fan motor becomes stuck or burns out. If it becomes stuck you can sometimes get it running by working a lubricant into the bearings. WD-40 first, and then a good motor oil. If the motor burns out it will need to be replaced.

  1. The indicator light is on and the unit will not run.

This shows you that the bucket is full and needs to be dumped. If your unit is working correctly and the air is very damp you may only run a few hours before the bucket becomes full. This also can happen if the bucket is not seated in it’s spot correctly. There is a little switch that will not let the unit run if the bucket is not place exactly right.

  1. There is no water being produced.

This can happen if the air is very dry and no water can condensate from the air. Check the coils to see if they are cold to the touch, actually they should be very cold, like almost freezing. If not then the refrigeration system of the dehumidifier has gone bad. To repair that you will need a person certified to work on refrigerant systems with specialized equipment. In many cases the costs to repair the refrigeration systems will more than the cost to replace the whole unit.


This should give you a brief overview of the problems that you can have with a dehumidifier and some of the things that you can do to help get things working.

http://www.fixya.com/support/r4662033-dehumidifier_freezing_up_not_working

on Jan 13, 2010 | Dehumidifiers

1 Answer

Freezing up and bucket not filling


Hi,

The coils you see on the back of your dehumidifier are the evaporator. When the unit runs, the coils get very cold. As the fan draws the room air over the coils, the humidity in the air condenses out of the air onto the cold coils. But, if the temperature of the air the fan draws over the coils is too cool, the humidity that condenses out of the air freezes on the coils. To remedy this problem, you can try any of these: Warm up the room the dehumidifier is in. Put the dehumidifier on a sturdy table (the room air is coolest near the ground).

Turn the unit off until the room warms up.
Good luck

Aug 19, 2010 | Kenmore Dehumidifiers

1 Answer

Freesing up and bucket not filling


Hi,

The coils you see on the back of your dehumidifier are the evaporator. When the unit runs, the coils get very cold. As the fan draws the room air over the coils, the humidity in the air condenses out of the air onto the cold coils. But, if the temperature of the air the fan draws over the coils is too cool, the humidity that condenses out of the air freezes on the coils. To remedy this problem, you can try any of these: Warm up the room the dehumidifier is in. Put the dehumidifier on a sturdy table (the room air is coolest near the ground). Turn the unit off until the room warms up.

Take care.

Aug 19, 2010 | Kenmore 5230 Dehumidifier

1 Answer

The coils freeze up after less than a half hour of running. It does not matter what humidity setting I use or if I select the 2 hour or 4 hour run cycle. B/c the coils are freezing up, the dehumidifier...


the coils freeze up for one of two reasons .. if air flow is blocked .. sometimes by dust buildup or fan bearings needing lube .. second if the fan is working properly then ice buildup can be caused by low refrigerant levels .. the proper charge produces a steady coolness across the entire evaporator (cold coil) .. as the level drops it tends to cool a small part of the evaporator way too cold .. that creates ice .. the ice blocks the air flow and soon the whole thing is blocked ...so check the fan first .. if its running properly and there is nothing blocking air flow then suspect low refrigerant.. that requires adding a saddle valve service port to the system to allow adding refrigerant .. often the problem is caused by the fan not working at all because of lack of lube in the bearings or a bad starting capacitor ..

Aug 15, 2010 | Goldstar DH504EL Dehumidifier

1 Answer

Hi I have a Danby DDR3008EE dehumifier that is putting water on floor There is ice inside where the filter is. What should we do besides turn off and let melt?


Hi,

The coils you see on the back of your dehumidifier are the evaporator. When the unit runs, the coils get very cold. As the fan draws the room air over the coils, the humidity in the air condenses out of the air onto the cold coils. But, if the temperature of the air the fan draws over the coils is too cool, the humidity that condenses out of the air freezes on the coils. To remedy this problem, you can try any of these: Warm up the room the dehumidifier is in. Put the dehumidifier on a sturdy table (the room air is coolest near the ground). Turn the unit off until the room warms up.

Good luck.


Aug 14, 2010 | Danby DDR3008EE Dehumidifier

1 Answer

This summer I have ice build up on top of the unit. I have a drain hose so the bucket is not full. I have cleaned the air filter. I have also removed the front grill and used a fine brush to remove dust...


Hi,

The coils you see on the back of your dehumidifier are the evaporator. When the unit runs, the coils get very cold. As the fan draws the room air over the coils, the humidity in the air condenses out of the air onto the cold coils. But, if the temperature of the air the fan draws over the coils is too cool, the humidity that condenses out of the air freezes on the coils.

To remedy this problem, you can try any of these:
Warm up the room the dehumidifier is in.

Put the dehumidifier on a sturdy table (the room air is coolest near the ground).

Turn the unit off until the room warms up.

Take care.

Aug 12, 2010 | LG LHD45EL Dehumidifier

1 Answer

My dehumidifier ices up. It will not remove moisture when it ices up. What can I do and is it under warranty?


Hi,

The coils you see on the back of your dehumidifier are the evaporator. When the unit runs, the coils get very cold. As the fan draws the room air over the coils, the humidity in the air condenses out of the air onto the cold coils. But, if the temperature of the air the fan draws over the coils is too cool, the humidity that condenses out of the air freezes on the coils. To remedy this problem, you can try any of these: Warm up the room the dehumidifier is in. Put the dehumidifier on a sturdy table (the room air is coolest near the ground). Turn the unit off until the room warms up.

Take care.


Aug 10, 2010 | Fedders A7DH45B2A Dehumidifier

1 Answer

Coils freeze up what to do?


This is a sign of a dirty filter or coil. Make sure the filter is clean, and if necessary take the uni toutside and carefully wash the evaporator coil off with a garden hose. There are also coil cleaners available at local home improvement store.
If this does not remedy the issue, you may ened up replacing the unit as repair cost quickly exceed the value of the unit.

Mar 17, 2010 | Kenmore Dehumidifiers

1 Answer

Humidifier coils freeze


I believe a dehumidifier is supposed to operate in temps above 60 degrees. Even though your house is warmer than that, the air entering the dehimidifier may be getting into that range due to it being on a basement level etc. This is perfectly normal and is not a malfunction with your humidifier.

Your options are to either place the dehumidifier closer to a heat source in order to keep the air which is entering warmer. (I've even heard of someone placing a light bulb in front the unit during winter to warm the air slightly as it enters). Because the dehumidifier's coils get cold in order for it to collect moisture from the air, if they are freezing, giving the unit a rest for a few hours every few hours may allow the coils to thaw in between and prevent them from reaching freezing temperatures while running. You could use a timer to accomplish this, but you'll want to insure that it's a commercial grade timer in order to handle the electrical draw that the dehumidifier requires.

Dec 29, 2007 | Eva-Dry EDV300 Dehumidifier

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