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LG ARNU073SER2 Control Board
The control board is created to command the gas valve, the ignition igniter, most sensors as well as the blower all at once. The entire heating and cooling system will not function lest this board is properly connected to the unit. You should always be careful when you are deciding on a replacement because of the many variances of brand and air handler types. The board that you will choose will have a matching part number that will fit in both the brand and specific model of your particular system.
Subtle cues of a bad main board
- There is a strange type of error code being displayed on the board
- Everything has to be reset more often than not for it to run
- Your system is unwilling to go whatsoever
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