Hi. this will be a failed relay on that circuit board. This is called the PCB(main unit power control board). This board controls the compressor relay functions, and the compressor power current, as well. The evaporator fan, and condenser fan, receives their respective current from this power control board, also. When a circuit board of this nature begins to malfunction, it will cause the unit to not cool properly, due to limited, or no fan actions, or a failed compressor cycle. I would recommend to replace this damaged control board, asap.
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