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This OEM Carrier control board is the central logic module for your FA4BNC018008AAAA fan coil unit, governing blower operation, fan speed staging, and safety interlocks so your air handler runs efficiently and dependably. Manufactured to exact Carrier specifications, it re-establishes proper communication between the thermostat, blower motor, and relays after the original board fails due to voltage spikes, age, or scorched circuit traces. A failing control board typically presents as a blower that won't run, intermittent operation, or a thermostat with no response from the system. Designed as a direct-fit for the FA4BNC018008AAAA, this is a moderate-difficulty install: snap a photo of the existing wiring, transfer connectors individually to the replacement board, and confirm the jumper and dip-switch settings match the original. Plan on 30-45 minutes if you're handy, or have a licensed HVAC technician handle it. Genuine OEM quality ensures correct component ratings and a longer service life than generic alternatives. In stock and ships same-day on orders placed before 3PM CST.
This part is compatible with Carrier model FA4BNC018008AAAA.
Same-day shipping before 3 PM CST. 30-day returns on uninstalled parts.