Question about LG Heating & Cooling
There ae several causes for the symptom you describe.
Unit off 5 hours and now seems to be making it's own ice. (Hail reference)
This is usually caused by a restriction in the coolant system. Most often the restriction occurs at the evaporator manifold. Once debris (internal corrosion in coolant system or any particulate) is in the coolant system is blocks 1 or 2 of the 3 manifold distribution holes of the evaporator. When that happens one or 2 sections of the evaporator start freezing up. As it freezes up the temp sensor notices the vast temp change and shuts off the compressor. (Fan still running) The ice then melts from fan air and then gets injested into the blower fan. Hence you get the hail sound.
As for the drain problem An Air-Conditioner that is used 19 - 24 hours everyday should have a 90 day total cleaning cycle. This involves removing the fan assy and using a power washer on the condensor, evaporator and both fan blades. If you look in the drain pan drain area it will will have a mucous looking goo in the drain pan. Once the drain hole is clogged the condensor gets dirty and the unit efficiency degrades.
I doubt there is anything that you as the homeowner can do to stop the icing. The coolant system will most likely have to be purged to get rid of the internal foreign debris and the coolant levels serviced. You can have it cleaned but even after cleaning it is highly probable that your symtom is going to repeat.
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Posted on Sep 12, 2010
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Posted on Jan 02, 2017
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