Order before 3PM CST — ships same day.
Standard delivery 2-5 business days. Express options at checkout.
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This genuine OEM Carrier control board is the main circuit board that sequences startup, monitors safeties, and governs operation of the HA1BJX030000ADAA condensing unit. It interprets thermostat and sensor inputs, then energizes the contactor, fan motor, and related components in the proper order to prevent short cycling and protect against electrical faults. Symptoms of a failed board include a unit that will not respond, intermittent shutdowns, or no cooling despite a call from the thermostat. This factory-matched replacement is manufactured to Carrier's original specifications for an exact fit and full compatibility with the HA1BJX030000ADAA. Installation is moderate difficulty and best performed by a qualified HVAC technician: disconnect power, photograph the harness, then transfer each connector one at a time to the new board before mounting it. Most techs complete the replacement in under an hour. Every board is brand new, never refurbished, and backed by our quality guarantee. Order before 3PM CST and your control board ships same-day, getting your system back to reliable cooling without delay.
This part is compatible with Carrier model HA1BJX030000ADAA.
Same-day shipping before 3 PM CST. 30-day returns on uninstalled parts.