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Carrier FX4BNF018000AAAA Control Board
The HVAC system will be unable to be able to function without the control board installed. The Carrier FX4BNF018000AAAA control board is constructed to regulate everything including the gas valve, the ignition igniter, most sensors as well as the blower all at once. The correct control board will have to match part numbers both the brand and specific model of the system you have installed. You must do some research when you decide to replace your control board due to the vast differences in systems.
Hints to watch for in a failing Carrier control board
- When turned on, there is an error code lit up on the board
- System cannot do anything correctly
- The system has to be turned off and back on quite frequently for the system to operate once again
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