Question about LG LHD459EL Dehumidifier

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Our humidifier seems to be broken. Its fan will run constantly, but it is not pulling any moisture in to the bucket. I cleaned the filter and restarted, but is still not working.

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If the machine's compressor runs when you switch it on, then turn the machine on maximum and let it run for an hour or so. Then check the coils in the back with your hand. If they are not getting cold at all, then there is a significant problem with the refrigeration process in the unit. It may have developed a leak and allowed your refrigerant gas to escape, or there may be another internal problem with the compressor. Either way you would need to have it serviced by a fridge technician, or more likely just replaced with a whole new unit since both options can potentially cost about the same.

If the unit runs normally and the coils are getting cold, then make sure they are not totally icing up which will impede the unit's performance. If your dehumidifier is freezing up then that probably means the unit itself is actually working well. The humidity level in the room may be relatively low and you probably 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.

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
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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.

If you choose to rate this solution using the Thumbs Up scale provided, I thank you very much for your time and consideration.

Joe.

Posted on May 29, 2011

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1 Answer

Our Friedrich D50C humidifier is six years old. Worked great until a week ago it seems to turn on- then an unordinary noise occurs and moisture is not pulled out.


Hi,
There are many reasons why a dehumidifier willnot work or collect water.
Here is a tip that I wrote to help people to figure out what is going wrongwith their dehumidifier

Dehumidifier is running but no water is in bucket

heatman101

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Sep 04, 2011 | Friedrich D50C Dehumidifier

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The fan is operating properly but it is not pulling enough moisture out of the air. For a year now it has filled the container in about8 hours but now only about one inch of water. Is there a screen or...


Hi,
There are many reasons why a dehumidifier willnot work or collect water.
Here is a tip that I wrote to help people to figure out what is going wrongwith their dehumidifier

Dehumidifier is running but no water is in bucket

heatman101

Jun 25, 2011 | Kenmore Dehumidifiers

1 Answer

My dehumidifer is not drawing any water, but the fan continues to run.


There are several reasons this may be happening. The 2 primary reasons are the humidity extraction level is set to high. Lower it to 35% . The lower the setting, the more moisture/humidity is extracted from the air. The higher the setting, the less if any moisture. humidity will be extracted from the air.
On most humidifiers the fan runs almost constantly while in operation. The idea is to continually move the air around and when the unit senses a rise in humidity, above what you have it set on, the compressor will turn ON to extract that humidity.

The 2nd thing that causes the problem is a dirty of clogged intake air filter. Which is easily solved by removing and cleaning the filter. Which should be done at least every 2 weeks, while the dehumidifier is in operation.

I said there were 2 reasons. Actually, there is a 3rd. Not enough clear air space all around the dehumidifier. A minimum of 12" should be maintained during operation.

Hope this helped you to troubleshoot and solve the problem. Please let me know. Thanks.

Jun 02, 2011 | Haier 45-Pint Dehumidifier

1 Answer

Machine runs, but no water is coming out into the bucket


There are several reasons this may be happening. The 2 primary reasons are the humidity extraction level is set to high. Lower it to 35% . The lower the setting, the more moisture/humidity is extracted from the air. The higher the setting, the less if any moisture/humidity will be extracted from the air.
On most humidifiers the fan runs almost constantly while in operation. The idea is to continually move the air around and when the unit senses a rise in humidity, above what you have it set on, the compressor will turn ON to extract that humidity.

The 2nd thing that causes the problem is a dirty of clogged intake air filter. Which is easily solved by removing and cleaning the filter. Which should be done at least every 2 weeks, while the dehumidifier is in operation.

I said there were 2 reasons. Actually, there is a 3rd. Not enough clear air space all around the dehumidifier. A minimum of 12" should be maintained during operation.

Hope this helped you to troubleshoot and solve the problem. Please let me know. Thanks.

Jun 02, 2011 | LG LHD459EL 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

Start up instruction for dehumidifier


A dehumidifier does not need water in the tank.It takes humidity out of the air and the moisture goes into the bucket. A humidifier has to have water in the tank.Note ,a humidifier puts moisture in the air, and a dehumidifier takes the moisture takes moisture out of the air.

Feb 16, 2010 | Kenmore 54501 Dehumidifier

4 Answers

Powers on but will not remove any moisture


It seems these units only last about a year or two before this happens. Unless you can get it replaced under warranty (mine had 5 year warranty) you probably will be better off getting a new one. They leak their freon out and then just run, usually forming ice near the top of the unit in the front. Classic case of not enough refrigerant.

Jul 28, 2009 | LG LHD45EL Dehumidifier

1 Answer

Fan


Depending on the ambient temp/humidity and how its set it could definitely run continually. If you don't hear it it's possible the blade is broken or just stuck.

Call 800-243-0000 or go to www.aic.lgservice.com

Dec 25, 2007 | LG LD40E Dehumidifier

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