Question about LG Art Cool LA181CNW Split System Air Conditioner

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LG Art Cool Error Code CA

I have an LG Art Cool it is displaying "CA" error code. I have shut the unit down for over a day and the code is still displayed. I have read where this is caused by the compressor overheating. Is this correct and is the a reset I need to perform?

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  • oldtrucksrul May 06, 2010

    Redniten, I flipped the circuit breaker off for a day and then back on. I'll try to determine the leds for you soon. Thanks for the help
    1


  • oldtrucksrul May 06, 2010

    Redniten, I flipped the circuit breaker off for a day and retried later to no avail. I'll have to check for the leds soon. Thanks

  • Brian Niten May 11, 2010

    When you shut it down did you disconnect the power or just turn it off?

  • Brian Niten May 11, 2010

    I was looking at a book for the LG mini splits and I didn't see an error code CA. I'm not saying I don't believe what you are saying I'm just saying I don't see any reference to it. Are there any lights blinking on the inside unit. The ones the book mention look like a circle with a line inside it and another that looks like a star or snowflake. If these are flashing count the number of flashes. It also mentions some LED's on the ciruit board in the outside unit. Check those to see if they are blinking and count the # of blinks. It will be a repetitive pattern. As far as the thermal overload on the compressor I think it is self resetting but you can check it. It will be on top of each compressor (your unit has 2) under a black plastic cover where the wires connect to the compressor. Let me know if you find any blinking LED's on the outside unit or blinking lights on the inside unit.

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Compressor discharge sensor fault. Disconnect from PCB measure resistance 237 kOhm at 20°C, 168 kOhm at 30C. Replace sensor.

Posted on Jan 03, 2011

  • paul_crafer
    paul_crafer Feb 22, 2012

    R Subramaniyam Iyer, is your comment above a solution anyone can use or do I have to give this to the AC guy and he'll know what to do?

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