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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 brain of your FA4BNC018010AAAA fan coil unit, coordinating blower startup, fan speed selection, and protective interlocks to keep your air handler operating safely and efficiently. Built to precise Carrier specifications, it restores reliable signaling between the thermostat, blower motor, and system relays after the original board fails from power surges, corrosion, or burned-out components. Symptoms of a bad board include a blower that won't energize, erratic cycling, or a thermostat that gets no response from the unit. As a direct-fit replacement for the FA4BNC018010AAAA, installation is moderate: photograph the wiring harness, move each connector one at a time to the new board, and verify the dip-switch and jumper settings match the original configuration—roughly 30-45 minutes for a confident DIYer, or call a licensed technician if unsure. Genuine OEM quality means correct relay ratings and a longer lifespan than aftermarket boards. In stock and ships same-day on orders placed before 3PM CST so your system is back online fast.
This part is compatible with Carrier model FA4BNC018010AAAA.
Same-day shipping before 3 PM CST. 30-day returns on uninstalled parts.