Question about LG LSC121PMA Split System Air Conditioner

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No heat i have a split system and until yesterday the heater was working - now it pumps out only cold air when i need it to heat the house. the subfunctions defrost and utdoor have mysteriously come on. what can i do? any help would be greatly appreciated

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  • Allen Neal
    Allen Neal May 11, 2010

    need to know type of unit and did anyone change any parts lately . as well as the type of emergency heat it has for back-up or is it a simply heat pump only( ie) gas , electric , lp gas oil ect

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Please make sure that the correct mode setting has been selected. Depending on model you will see the mode button has four little icons. A star/crystal, a teardrop, a sun (circle with lines out going) and a sort of triangle. You press this button until the correct icon appears on the display, it should be the sun icon.

Posted on Mar 05, 2009

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