Question about LG LD40E Dehumidifier

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Fan the humidifier is only 1yr old and I lost the manual  I had not cleaned the filter  for a yr and it was very dusty. now because I can't find the manual i'm not sure it us working properly  does it have a fan that should be running constantly?  I hear the motor running but there is not sound of a fan. where is it?   can a new instruction manual be sent to me?

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Re: 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

Posted on Jan 08, 2008

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How do I access and clean the filter, and how often?

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ok Carmo

first remove the back of the unit and turn it on. it sounds like the fan motor may not be working.there by making the dehum get hot. make sure your filter and coils are cleaned. you may need a new motor. if so buy a new motor and fan careful with the 5/16th nut holding the fan blade. the blade might look good but you have to check the hole where it rides on the motor shaft. if you into the hole it should look like the letter "D" because the motor shat is shaped that way.---good luck

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Humidifier Runs but no water collected

Are you talking about a dehumidifier or a humidifier. If you are talking about a dehumidifier, it works by blowing air across a cooling coil causing condensation and the water will drip and pool. The cooling is caused by a compressor working like refrigerator, but using the effect to dehumidify. To check if the cooling coil is working there will be a metal can like in it with tubes in and out. One of the tubes should be warm(input) and the other tube should be cold, if not your compressor is not working. If freezing up, low freon. Check to see if the compressor shuts off very quickly, that would be too much freon. This is not user servicable. Now a humidifier works several different ways. One way is a fan with cloth belts rolling through water using evaporation to humidify. Another way is for a circular fan like on a motor to turn. It has a hollow piece into the water. It picks up water and then through centrifugal force aerates. One way is for a sonic humidifier. All the types have a problem with eventual calcification or mineral build up in the water handling paths. Lime-away or Concentrated Lemon Juice will dissolve this. The lemon juice is the most fun. It will turn your toilet bowl white and also remove rust stains from laundry...

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