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EdgeStar AP12000HS Control Board
The system will cease to activate without the control board correctly installed. The control board is made to command everything including the gas valve, the igniter, most sensors and the blower all at once. A matching board will have a part number that will match the brand and the model of the unit you have installed. You must be careful while choosing a new control board because of the wide variety of particular brands and their models.
General warnings of a worsening main board
- The HVAC system declines to function whatsoever
- There may be a numbered error code shown on the control board
- The power to the system has to be turned off and back on quite frequently for it to run
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