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Order before 3PM CST — ships same day.
Standard delivery 2-5 business days. Express options at checkout.
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This OEM Carrier control board is the electronic brain of your FA4BNF030000AAAA fan coil, managing blower operation, fan timing, safety interlocks, and communication between the thermostat and system components. When your air handler won't start, the blower runs erratically, or status LEDs flash fault codes, a failed control board is a frequent cause. This genuine Carrier replacement is programmed and built to the exact specifications of your unit, ensuring correct sequencing and full compatibility with its sensors and relays. It is a direct-fit replacement for the FA4BNF030000AAAA, mounting in the original location with matching connector plugs. Installation is moderate to advanced and best performed by an HVAC professional: disconnect power, photograph and transfer each wiring connector to the same position, then mount and reconnect. Using a genuine OEM board avoids the compatibility and timing problems that aftermarket boards can introduce. In stock and ships same-day when ordered before 3PM CST, so you can restore reliable system control fast.
This part is compatible with Carrier model FA4BNF030000AAAA.
Same-day shipping before 3 PM CST. 30-day returns on uninstalled parts.