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Carrier 48GS Control Board
The control board is constructed to regulate everything including the gas valve, the ignition igniter, most sensors as well as the air circulator all together. It is impossible for your furnace or air handler to even operate lest the circuit board is hooked up and is correctly configured. You must be careful while picking a new replacement board due to the vast differences in models within certain brands. A replacement board is supposed to have a part number that matches both the make and model of HVAC system.
Signs of a declining main circuit board
- AC or heating system is unwilling to start at all
- Could be an lit up error code indicated directly on the board
- The whole system has to be reset repeatedly for the system to operate once again
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