Question about LG LSC183VMA Split System Air Conditioner

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Error ch 5

I have a lg split system its just shows CH 5 and dosent work. its the plasma style

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  • Anonymous Jul 27, 2008

    the ch 05 error occurs on the display of the unit and also the air conditioner unit when turned on does not start up even over 30 minutes and you need to turn it off and then on again to get it to work. also when the air conditioner finally does turn it, it does not stop heating.

  • geffmanda Dec 08, 2008

    i have a similar provlem on a 54000BTU spli LG aircon unit.CH3 is coming on but when i switch off from mains and switch on after a minute,the unit comes on and the error code goes.its running at 80psi pressure.from Zambia,central Africa

  • upnor Mar 02, 2009

    ch5 shows and power light flashes intermitently.have called engineer but no help so far.

  • earl de gorostiza Nov 26, 2012

    I also encountered ch 5 problem on my lg split type airconditioner ( top model - with plasma filter)on its 5th mos (low to moderate use only) and was repaired by lg technicians by replacing the electronic board of the outdoor unit (completed repairs on its 7 mos due to waiting for parts availabitity - 2mos of waiting). But after 2 mos. again same problem, but now it's near out of warranty period.

  • earl de gorostiza Nov 26, 2012

    if ever the same problem will recur outside it's warranty period is it just for the consumer to shoulder cost of parts and service knowing now that the product has a weak component that is weak and keeps breaking down?

  • Anonymous Mar 25, 2014

    Plasma light blinks six times and power light twice

  • Anonymous Mar 30, 2014

    I am getting error CH 21, aircon is not working then switches it self off



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Check all wiring and connections - ch 5 is a communication error between the indoor unit and the outdoor unit......

Posted on Dec 16, 2007

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  • norman medalle
    norman medalle Dec 09, 2007

    just open the link ,i'm sure you will be disappointed it's the right choice without spending a lot of money on the repair .



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1 Answer

What does the code on the screen mean flashes between ch and 05 ?

CH 5 on these units indicates a communications error between the indoor and outdoor units. Generally, it will require a replacement outdoor board assembly to repair it. Lookup LG parts on the internet or ring them for your nearest Agent or parts. 800 243-0000

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hope will help u 2 solve this


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communication error (serial comunication) between the outdoor and the indoor unit.
Only for LG-airconditioners.

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