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Carrier FB4CNF030 Control Board
The Carrier FB4CNF030 control board is designed to control the gas valve, the ignition igniter, the flame sensor as well as the air circulator all together. HVAC systems will not activate without the main control board hooked up and is correctly configured. A replacement board should have part numbers that match both the make and model of HVAC system. Be absolutely sure when you choose a replacement due to the vast differences in brands, models and types of systems.
Cues of a laboring Carrier control board
- The unit does not start period
- The system board has to be powered down and back up habitually for it to run correctly
- Could be an some sort of error code displayed on the circuit board
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