It seems the unit fan runs but the condenser doesn't work. When first turned on the fan runs and the display shows 85%, with the setting at 55%, and four hours later the fan is still running but there's no water in the container.

Verify the humidity reading with another device. Perhaps the humidity sensor is dirty or bad.

Another possibility is the switching device that runs the compressor and fan is shorted. If it's a mechanical relay, the contacts may have welded together, or if it's a solid-state relay, it's got a punch-through or meltdown in a device junction. My guess is it's a mechanical relay since you mention it used to click on and off and now you don't hear that. The relay may be on the control board, or it may be mounted separately - I don't have a photo or diagram of the inside of your model available.

could you be mistaking the room humidity indicator for the time? reason I ask is on these one display units this happens more frequently than Id care it too , the one display shows both time and room humidity also set point humidity , the only way one can tell is on some models there is a tiny light that shows up next to labeled function , easy to miss It , also if your machine is sort of new (last few years) it has been decided that it's more efficient to let the circulation fan run all the time , regardless of room humidity . this makes it a little annoying (noise) but they do cycle the compressor to regulate the room humidity

A little condensation is not something to worry about. But, a lot can be caused by a dirty or clogged air intake filter. Which can also cause the cooling coils to freeze.

Turn the unit OFF & unplug it, before removing the filter for cleaning.

Also, maintain 12" to 18' of clear air space all around the unit.

If the unit is in an extremely moist or damp environment, 55% is not really a low setting. 35% would be more appropriate for this type of environment.

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

Lyle, your particular model is designed for the fan to function constantly. However, the fan running doesn't mean the compressor is always running. The reason the unit was designed this way, is for the air to be continually moving, and when the humidity sensor picks up a rise in the humidity level (above where you have it set) the compressor will turn ON and extract that humidity.

Your unit is working as it should. Thanks for choosing FixYa.

Take it to a metal scrap yard and turn it in the copper and buy a new one. Buy a different brand.
Sorry to be so blunt but dehumidifiers are very cheap and disposable not many people work on them. If this help please rate me and do a testimonial.

Hi;
Your dehumidifier is similar to a refridgerator or air conditioner. It has a compressor and coils, and a fan. Basically, the unit has to **** in air with it's fan, and as the humid air goes across the cold coils, the humidity condenses in to water. If the coils are not getting cold, they won't condense any water, or if the fan isn't running, or the coils are dirty. If you check your unit over, see if you can tell if anything isn't working. Make sure the control knob is set at the highest setting. If the compressor lost it;s refridgerant charge, and won't get cold, it isn't probably worth fixing

RH at 70 % seems to me a little excessive you really should be working somewhere around 50 to 56% the fan has to move Air through the system.
I would like to know your room Air temp what is the Air temp comming off the system. what are your parameters.

What do you have the humidity level set at on your dehumidifier? The average is 65%. Make sure you do not have it set at 75% because if you do this could be causing it to keep the humidity so high.

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

the control board is a very simple design and it is to signal and switch options like fan speed, power on/off, humidity up/down and sets the on/off run time. Like above the board does collect dust,but the true problem runs deeper.

My unit was stuck in run mode with the fan speed, humidity and run timmer non functioning. the unit worked and the power switch turned it on and off. The display said ON

I removed the front cover (two screws) and slight pressure on the side of the cover to remove it. This exposes the control board. The control board can be removed by removing the 6 screws on the board. the cable can then be removed by pulling out the multi-pin ribbon cable.

I diagnosed that only two of the 5 push button switched were functioning. There was also dust and mold on the board. This board is poorly protected from the moist air entering the unit and the constand moisture causes corrosion on the board, the switched seem to be the weak link.

By using a multi meter I noted that only the power switch and the humidity down button were making contact when pressed. Now it all came together. I could turn it on and off. and if you press the humidity down button to the lowers setting (ON) means run all the time.

I used a elecronic contact cleaner and sprayed it into each of the switches. I wiggled it around and blew it out with canned air. It took a few wiggles and blasts but all switched then made contact. I the board back on and tested all functions and it was like new. The contact cleaner should keep it protected for a while. The non functioning of the switches works both ways. They can stick on also. This would explain most of the other control problems. These switched are common and can be picked up at Radio Shack. On a do-it-yourself bananna scale it was a 2 for me, but I had the tools and the spray. I am not sure what sears gets for the PC control board,but this is the issue and if they were to address this the unit complaints would drop greatly.