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Loo at indoor coil and outdoor unit where copper lines connect and see if they are iced
That is correcti
Sorry had a phone call
Icing can be caused by a number of issues:
1.Low refrigerant charge
2. Dirty ac filter
3.Indoor fan not coming on
4.Indoor blower not moving enough air acrsoss indoor coil
5.Contactors burned together in outdoor unit causing outdoor to keep running after indoor blower stops.
6.Blocked return or ductwork causing restricted air flow
7.Dirty indoor coil
Give me as much information as you can about what is happening and if any of above are noticeable and we will go from here.