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International Comfort Products PH5536AKA1 Control Board
The control board is constructed to command everything including the gas valve, the igniter, most sensors and the blower all together. The entire heating and cooling system will not function lest this board is configured and seated properly. A control board that you have chosen should have a replacement part number that matches both the brand and model of air handler system you have. You must be careful when you choose a control board due to so many small differences in brands, models and types of systems.
Elements of a bad main board
- The power to the system has to be reset more often than not in order to run
- AC or heating system ceases to do anything at all
- There is a flashing error code showing up on the board
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