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Carrier 48GX Control Board
Your system definitely will not run at all without this vital piece of hardware is correctly installed. The Carrier 48GX control board is constructed to direct everything including the gas valve, the ignition igniter, most sensors as well as the air circulator all in one unit. The board you select is supposed to have a part number that matches both the make and model of the unit you have installed. Be very careful when you are choosing a replacement board due to differences in models and types.
Chief elements of a barely functioning Carrier control board
- There is some sort of code shown directly on the circuit board
- The heating and cooling system refuses to operate properly
- Power to the circuit board has to be powered down and back up rather frequently for the furnace or AC to kick on
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