Question about LG LD450EAL 45 Pint Dehumidifier

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Dehumidifier partially ices up

When a basement dehumidifier loses its charge, can it be fixed or must it be thrown away? It ices up but only the first couple coils.

Posted by Anonymous on

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 121 Answers

SOURCE: 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

Posted on Jun 24, 2008

  • 121 Answers

SOURCE: LG dehumidifier developing ice

First you would need to clean the filter. LG recommends cleaning the filter every 2 weeks on their dehumidifiers. The second thing you need to do is clean the coils periodically. On this dehumidifier it should include a brush for cleaning the coils. It is located on the top of the bucket. To access the coils the following needs to be done:

1.) Unplug the unit from power
2.) Remove the bucket and also the air filter
3.) Remove the front pannel by removing the 2 lower screws and depressing the tabs.
4.) Once the panel is removed you will see the coils. You need to clean them with the brush. Go in an up and down motion to remove the dirt and dust.

Now use the reverse steps to put it back together. If your dehumidifier runs often I recommend you clean the coils about every 3 to 4 months. This is a common problem on alot of dehumidifiers and people think their dehumidifier is broken. Most of the time the coils are just dirty which causes the water to stay between them and freeze. Keep me posted. Also if you found this response helpful, please rate this solution when you get a chance. Thanks - Tech101

Posted on Jul 03, 2008

  • 121 Answers

SOURCE: Dehumidifier -- LG LHD45EL

If everything is clean on the coils and the filter is clean it should work. I would contact LG because they have a 5 year warranty on these dehumidifiers. Make sure that you have your reciept. Usually what they will do is locate a shop near you and it can be serviced there. LG will pay the bill. Or if there is no local shop they will send you a service tag for your old unit and ship you a replacement unit. Contact LG and explain this problem to you. Everything should be covered under warranty still.

Good luck - Tech101

Posted on Jul 07, 2008

  • 121 Answers

SOURCE: lg lhd65el dehumidifier icing up

This will need to be serviced. LG has a 5 year warranty on these models. They usually will tell you of a service center nearby which will service it free of charge since it is under warranty. If you do not live near a service center they may ship you a replacement and you send your old dehumidifier back to them. Make sure you have your reciept when you contact them so they can verify it is 2 years old.

Posted on Aug 04, 2008

tomsat69
  • 214 Answers

SOURCE: LG LHD45EL Dehumidifier Icing Over

The only thing you need to replace would be the temp control it sounds faulty hope this helps :).I had the same problem with mine and that is what went wrong.

Posted on May 16, 2009

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This will need to be serviced. LG has a 5 year warranty on these models. They usually will tell you of a service center nearby which will service it free of charge since it is under warranty. If you do not live near a service center they may ship you a replacement and you send your old dehumidifier back to them. Make sure you have your reciept when you contact them so they can verify it is 2 years old.

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Dehumidifier ice's up, next to one that does not?


Depending on the location of the icing up unit, it may be in an area of your basement that's a bit too cool. These units are notorious for icing up under such conditions.

First, "defrost" the iced up unit completely using a hair dryer. Then swap its location with the other unit which is functioning normally. If that resolves the problem, then it was caused by the above "too cool" scenario.

If not, then it's likely that the thermal control which periodically heats up the coils in order to melt off the accumulated frost/ice and drain it has failed. Repair could be costly, and you're probably better off replacing the unit with a new one - - which you can find for less than $200.

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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

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