Question about LG LWHD1800R Wall/Window Air Conditioner
There can be a couple of things that could be happening...
The first and easiest thing is to check the air filter. Make sure that it is clean... clean it or replace it. Next check the air vents to make sure that they are open and giving you good air flow...
Also check to make sure that you are not icing up on the indoor coil... ice will tell you that you are low on refrigerant. You also could be low and not be icing over, but you would need to have gauges on the unit to check that.
Finally check and clean the outdoor coil...this also can give you problems if the heat is not being removed from the outdoor unit efficiently...
You may also have a unit that is sized in such a way that it hits the balance point at about 85...that means that your heat gain is equal to the capacity of the unit...I often try to size them for about that here in Northern PA. because wqhen seldom get hotter then that and the unit then is much more effective at removeing humidity at lower temperatures...
You can also check out the tips that I have wrote about Air conditioning trouble shooting and maintenance...
Here is one about cleaning the condenser coil and at the bottom of that one are links to others..
Condenser Coil Cleaning Condenser Coil Cleaner
Posted on Jul 12, 2010
First check filters and evaporator coil. If they are clean, Remove the unit from the sleeve housing. Take it outside and clean all of the fins with a garden hose. Likely this alone will solve the problem but if it does not, the unit will to have refrigerant added. This means a service port will need to be installed and probably is beyond the means of do it yourself. However piercing valves come with all that is needed and instructions. In many places a can of r-22 can be purchased for about 13 bucks. Really it is impossible to get the right charge without proper tools. But if you want to take the chance of trying you can add refrigerant until you start seeing the evaporator coils sweating all the way to the bottom. Bear in mind that if you err with charging it is better to under charge than over charge. Over charging the unit will damage the compressor.
Posted on Jul 12, 2010
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Posted on Jan 02, 2017
the drain pan is either clogged or the unit is not mounted properly. If the drain pan is clogged simply clean it and the problem goes away. In the case of the unit mounting, check the angle of the unit and the drain pan inside, if it tilted to the front even just a little then water would leak. the drain pan should lean toward the drain and away from the front.
I hope this helps.
Posted on Jun 05, 2009
If you own indoor pets you will want to change the return air filters monthly like religously. You may also need to have the A-Coil other wise none as the evaporator coil cleaned manually. It is located inside the air handling unit inside the house somewhere. It could be restricting the air flow across the coil with daner and dust and/or deris. Sometimes it can be difficult to clean but with care and lots of elbow grease it can usually be done. Be careful not to bend the fins! Once this is completed and the unit still freezes up! Then you can be sure it is low on refrigerant 90% of the time! Cleaning the A-Coils is something you should do or have done anually!
Posted on Aug 22, 2010
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