Question about LG Heating & Cooling
I believe it is a loss of communication between the indoor and outdoor unit. At either end of the control wire, gain access to the 4 wires and loosen them and retighten them. Remove power from outside unit when cover to the these wire are being removed to ensure shock hazards are removed and removing the possibility of hazard to the the equipment. Sometimes the communication signals are interrupted by corrosion buildup on the leads. It could also be a break in the control wire. If after tightening the leads does not restore the normal control, you will probably have to replace the control boards.
Hope this helps.
Posted on Dec 11, 2014
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Posted on Jan 02, 2017
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