Question about LG LB8000ER Air Conditioner

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Air conditioner not working properly

Compressor is on, doesn't blow very cold air.

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  • Cheryl Tomasi Roy
    Cheryl Tomasi Roy May 26, 2009

    We got this used from someone and it looks brand new, its only a couple of years old and was used in a guest room once or twice. Inside the unit looks very clean,should we try cleaning it anyway? How much does freon cost to replace if thats the problem. This is a casement window air conditioner which is very expensive to buy new.

  • Ken Bledsoe May 11, 2010

    Have you ever taken unit out and cleaned? Mainly the back where the condenser is?

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You can pull the inside of the unit out of the case to inspect the back coils mainly to see if there is any blockage. Note the screws on the bottom of the housing the holds the coils take the screws out and very gently take the coil and move out a little. It will flex enough to clean the coils. Just don't hit it with very high pressure water cause it will bend the fins that go around the coils. I have done a bunch of window units this way and you would not believe the difference it makes. Let unit dry out and re-assemble. Let me know if you need anything else.. ken

Posted on May 27, 2009

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SOURCE: Blueway split system wall air conditioning doesn't work properly.

need to add refrigerant
need to check wheather the ampere is the same on the name plate
check the room temp. setting
check the setting of the timer

Posted on Jan 26, 2009

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