Question about LG LHD45EL Dehumidifier

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Water condenses on top of dehumidifier

My LG dehumidifier has a cold spot on the top where water condenses. The filter is clean, the fan is drawing air through the unit, and the bucket is filling. I can't seem to take the cover off to investigate. What are my options?

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Your unit has a sealed system leak. The sealed system is warrantied for five years. Check your owners manual for this info. You will need your receipt and to call an authorized LG warranty dealer to exchange it.

Posted on Jan 23, 2010

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2 Answers

The motor is still running fine, but the dehumidifier is no longer extracting water from the air and the water container is not filling.


John, there are 5 basic, yet solvable reason for what you described. Please pay particular attention to numbers 1 & 2.

1. The humidity extraction level is set to HIGH. Lower it to 32-35%.

2. Air intake filter is dirty or clogged. Turn unit OFF, & Unplug the
Unit, before removing to inspect & clean it, if necessary. If washed,
allow filter to completely dry before reinstalling. DO NOT operate
the unit without the filter.

3. Obstructed air flow. Maintain a minimum of 12 to 18" of clear air
space around the entire unit.

4. Cooling coils are dirty and need to be cleaned. Use warm water & dish washing liquid to
clean the coils. Rinse and wipe dry. Apply a light coating of WD40 to the coils.

5. Ambient air temperature at floor level is between 40 - 60 degrees.
dehumidifiers do not work well between those temperatures
(Unless, you have a Low Temp Unit). This applies mainly to
where the air temperature at floor level is colder than at shoulder level
in basement applications. Raising the unit up off the floor,
onto a sturdy table, counter top, etc, that can handle the weight
of the unit, plus a full tank of water, will usually resolve this
problem.

If none of the above solves the problem, it may be a case of the compressor needs to be recharged with refrigerant gas or that the humidity condenser sensor has failed. These things usually occur in units that are 5 years old or older. It's rare in a unit younger than that. But, it can happen.

Hope this helps you to troubleshoot & solve the problem. Thanks for choosing FixYa.

Sep 19, 2011 | Haier 45-Pint Dehumidifier

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

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

2 Answers

Removed Little Water


If on the top you mean only at the top of the cooling or condensing coil the machine could be low on refrigerant.

May 26, 2010 | LG LHD45EL Dehumidifier

1 Answer

Doesn't collect water, freezes on top


clean filter and then check the coil behind the filter to see if clean. Biggest things that freeze a unit are dirty filter or coil...or low on freon.

May 10, 2010 | LG LHD45EL Dehumidifier

1 Answer

Runs great but no water in bucket ,whats wrong


either there's no moisture in the house (especially if you have an air conditioner), the coils are not cold enough, or there's no air flow across the coils. if the latter is the case, clean off the rear coils, clean off the front filter (or if no filter, the fins), and see if the fan is working. cleaning the condenser coil fins in the front would also help with it not getting cold, if that were the problem.

Jul 29, 2009 | Fedders A7DH45B2A Dehumidifier

1 Answer

LG dehumidifiers


It is defective. The coils are not getting cold enough to condense water in the air. If you have the receipt and the unit is less than 5 years old, give LG a call for warranty repair.

May 02, 2009 | LG LHD45EL Dehumidifier

1 Answer

Unit runs a lot. Doesn't condense much water. Sometimes fan runs alone, sometimes compressor runs alone.


You may also want to check the coils and make sure they do not have dirt or dust on them. If they are clean you may have an issue with the refrigerant level which will cause the coils not to cool properly. For that you will want to contact LG. There could be an issue with the compressor also. LG backs alot of their models with a 5 year warranty. Contact them and let them know about your issue. Make sure you still have your reciept. Here is their contact number:

1 (800) 793-8896

Jun 27, 2008 | LG LD65EL Dehumidifier

1 Answer

Ice on dehumidifier


A dehumidifier works by cooling the metal pipes on the back of the unit to create condensation (water vapor in the air). This then drips into the collector bucket. If the unit runs too long the cooling tubes can get too cold and freeze the condesing water vapor. Unplug the dehumidifier and let the ice melt, when u turn it back on, turn it down, it may be up too high. If you find this solution helpful please rate it.

Thanks - Tech101

May 20, 2008 | LG DH404E Dehumidifier

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