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how does the unit respond in cooling mode?
use a hair dryer on the sensor in front of unit to fool it into cooling
Then tell me response
Thank you...was unit running but did not cool...or did not run?
Ok, with it not reaching temp...not kicking on...it would appear to be a refrigerant loss issue. Do you any oily residue at the outdoor unit on piping or fittings?..any oil in bottom of outdoor unit?