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I have an LG lhd459el Dehumidifier that is one year old. On the left side of the unit facing the front a small coil of copper tubing goes into a bigger copper tubing that runs to the top of the front fin (?) coil always ices up as soon as you turn it on. The unit runs but never has water in the bucket
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No, not really. As the unit has to be in a level position to operate properly and not overflow. If the unit is sitting on carpet, this will often times cause the vibration noise. I don't know why, but it does and it does with my 4 year old LG unit. I have noticed, that once the tank reaches the 1/2 full point, it will vibrate sometimes. I solved the problem by firmly smacking the left & right sides of cabinet at the same time, with my open hands. The vibration stops immediately and continues to run until it shuts off because, the humidity extraction level has been reached or the tank is Full & needs to be emptied.
It's a simple solution, but it works. I hope it works for you and thanks for choosing FixYa.
Rick. the freezing of the coils can be caused by several things:
1. Air intake filter needs to removed and cleaned. 2. The coils may be dirty. Clean the coils with warm water, wiped dry and a light coating of WD40 applied to the coils. 3. Restricted air flow. Maintain a minimum of 12 to 18" around the entire dehumidifier while in operation. 4. The air temperature at floor level is 40 degrees F or lower, than the ambient air temperature at shoulder level. This is particular true in basement applications. Raising the unit up off the floor on to a sturdy table, cabinet top, etc, that's strong enough to hold the unit, plus a full bucket of water generally resolves the situation.
Worse case scenario is that the defrost sensor has failed or there is a small leak in the cooling coils.
I hope this helps you troubleshoot and solve the problem. Thanks for choosing FixYa.
Brad, you have really hit on something. In fact, it's more common than the manufacturers want the consumers to know. Actually, the corrosion starts after the unit is not used for several months and then put back into service. Is there something that can be done, on the consumers part to help prevent this? Perhaps, but, it would require routine maintenance, which most consumers don't even think about, until they ave a problem. Like cleaning the air intake filter regularly, checking the drain hole or tube for clogs and when not in use, storing the unit in a dry environment. As far as preventing the corrosion is concerned ... Doing what you did, to expose the front coils and in addition, wiping the down the coils and spraying a light coat of WD40 on them, may slow the corrosion process.
The bottom line is this. Until the manufacturers switch from aluminum coils to copper coils, the problem will always be there. But, the downside to the consumer will be, copper is more expensive than aluminum and therefor, the cost of the dehumidifier will be higher.
Again, good job, Brad! Your theory was well thought out.
Problem is that you bought a dehumidifier made by the Korean/Chinese manufacturer LG. Search the web and you will find that you are just one of many whose dehumidifier worked the first year but now draws no water out of the air even though it makes all the right fan and compressor noises. Most common problem is that all the Freon refrigerant escaped, apparently because the copper tubing cracked and leaked. Penguins beware, there goes the Ozone Hole! It cost me $14 and an afternoon of investigation and testing of my LG 504EL dehumidifier to figure this out. The fix-it web site "Just Answers" said that it wasn't worth fixing after I described all the symptoms. Tomorrow I will go to the local LG fix-it shop and try to get a replacement to tide me over until I can find a reliable dehumidifier. Sadly, last Fall I took my 25 year old Westinghouse (made in America) dehumidifier to the dump. Even though it needed me to tune it up every year or two, at least I could fix it and it kept on working for 25 years. Good luck! enterich
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 under 5 years old.
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