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This OEM Carrier control board (CESO110074) is the factory-original circuit board for your FB4ANA030008AAAA fan coil air handler. It manages blower motor operation, fan speed staging, and the communication between your thermostat, indoor unit, and outdoor condenser. When your air handler fails to start, runs continuously, or throws fault codes, a degraded control board is a common culprit. Installing the exact OEM board ensures correct voltage signaling and protects the rest of your system from intermittent faults. Compatible specifically with the Carrier FB4ANA030008AAAA model, this is a direct factory replacement that drops into the existing mounting bracket and wiring harness. Installation is moderate difficulty and best handled by an HVAC technician, since it involves disconnecting line voltage and matching low-voltage terminals. Always cut power at the breaker before servicing. Genuine Carrier parts carry the proper certifications and fit guaranteed. Order before 3PM CST and your control board ships same-day, so you can get your air handler back online fast. In stock and ready to ship today.
This part is compatible with Carrier model FB4ANA030008AAAA.
Same-day shipping before 3 PM CST. 30-day returns on uninstalled parts.