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LG window unit: compressor keeps kicking off, filter is clean, item is new [3 months]

I have a 15,000 btu lg thru the window unit [115 volt] and it worked great for about two months. Now, the unit cools ...somewhat badly - for about 5 minutes, and then the compressor 'clicks' "OFF" for about ten minutes, then the cycle continues and repeats. I tried lowering the "CALL FOR" temperature ... all the way down to 60 degrees F, but that doesn't help.

The filter is clean, the unit is stable, I don't know what else to check.

Sincerely, Richard Roepnack rroepnack@yahoo.com

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  • VINAYB May 18, 2009

    I am also having same problem, i am sick of this when it is bloody hot outside

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6 Suggested Answers

  • 1 Answer

SOURCE: my lg wall unit (LWHD1009R) 10,000 btu the

my window ac 1.5ton cut off with a **** at 28 deg temp with in 3 minute .room temp is 31 deg. ac is 2years old and i bring in good working condition from my brother. it was kept idle for 1 year

Posted on May 09, 2010

  • 230 Answers

SOURCE: LG LWHD1800R air conditioner problem

It sounds to me like the compressor is overheating and tripping on internal or external overloads. After the unit cools down again it will try to run for a little while. Then this cycle would start over. I would check the condenser coil for dirt and filth. This portion of the unit may be on the out and backside of the unit. You should at least be able to see light through the coil.

I believe the thermistor that you removed temporarily is used for a freeze situation. I do not believe that it is your problem. Good luck:)

Posted on Jun 18, 2008

  • 400 Answers

SOURCE: LG ac M483CS not cooling

It is possible that the contactor points have carbon or dust deposits causing an intermittent condition or bad connection. Why not try replacing the contactor?

Posted on Mar 04, 2009

  • 400 Answers

SOURCE: LG 1200 btu ac unit works fine for 20 minutes then

You do not say if it is outdoor or indoor fan which operates. However I presume all your filters are clean and the drainpipes are clear. The only other thing you could suspect is the thermostat or air flow sensor.

Posted on Jul 02, 2009

  • 3 Answers

SOURCE: I have a Lg LWC122RH-2 Window Reverse Cycle Air

think yu must take your compressor to the specialist so that they can check if cycling valve is operating. or may be wiring problem to the valve.

Posted on Oct 31, 2009

  • 674 Answers

SOURCE: I have an LG AC and the lowest temperature setting is 60 degrees

Lowering the temperature setting doesn't change the temperature of the air coming out of the unit it just lets it run until the room temperature gets colder. Check the temp of the air coming out of the unit. If it isn't as cold as it used to be the charge could be low. First though you should make sure the filters are clean and the coils.You should also check the actual room temp. It's also possible the unit doesn't have enough capacity to keep up with the cooling load of the room.

Posted on May 02, 2010

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HELP???


What was the voltage that you measured? Are the units 220 volt or 120 volt. Units that size are usually fed by 220 volts. What is the current rateing of the circuit breakers? Are they a double breaker with a handeling capacity of 20 amps or are they 15 amps.

You didn't mention if they ever worked? Are you feeding 120 volts or 220 volts to the two units?

Good luck,

Marty

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