This is the main electronic control board that manages the operation of the air conditioner, including compressor cycling, fan speed, and temperature regulation. It receives input from the thermostat and user controls to maintain the desired settings. Replace this board if the unit fails to turn on, does not respond to controls, runs erratically, or displays error codes.
Do-It-Yourself Stories from Customers like You
It would not give out any heat. Dana J. • Chappell , NE • February 17, 2023
I replaced the PC board.
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