Question about LG Heating & Cooling
MFL42262840 in heat mode on jet the unit blows warm air but when the unit cycles back to heat, the air is very cool even though the thermostat is set to 86
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Posted on Jan 02, 2017
Heat pumps have saftey circuits that prevent liquid flooding of the compressor. Inadequate airflow across the evaporator in cooling can trip this circuit. Have your package unit serviced with particular attention to cleaning the evaporator coil and be sure your filters are clean and changed frequently in the summer months. Hope this helps GL!
Posted on Jun 08, 2008
Your outdoor condenser is in heat mode. Check the wires on the thermostat. Sounds like a small wiring problem and nothing else. Good luck. Please keep me posted as to you progress.
Posted on Apr 27, 2009
SOURCE: Will not cool properly.
You have either a faulty thermostat, dirty condenser and evaporator or a faulty run capacitor. Need to service soon before the compressor is damaged. Sea Breeze
Posted on Jul 06, 2009
when its flashing its in a 5 min delay mode if you wait 5 min and still flashing you may need a new stat. but give it a full 5 min.
Posted on Sep 20, 2009
possibly have a capacitor out on the compressor side of the a/c Since the unit works and its only blowing air the compressor isn't kicking in. The capacitor boosts the compressor to activate the compressor. I would have the capacitor to the compressor replaced first before going any further.
Good luck on your repair
Posted on Oct 17, 2009
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