OEM Carrier Fan Blower Control Board HK61EA010 for Model FX4CNF018005AAAA

This is the OEM factory-specified fan blower control board for the Carrier FX4CNF018005AAAA air handler. The control board serves as the central command module for your air handler's blower motor, orchestrating fan speeds, timing sequences, and communication with the thermostat and connected equipment. When this board fails, common symptoms include the blower failing to start or stop, erratic fan speeds, no heating or cooling airflow, or a system that is completely unresponsive despite power being present at the unit. Fault codes or a blank diagnostic LED are also strong indicators of board failure.

• Specs: OEM Part Number HK61EA010 | Factory-matched for Carrier FX4CNF018005AAAA air handler | 24V control circuit interface | Compatible with single and multi-speed blower motor configurations
• OEM vs Generic: This is a genuine OEM Carrier board — not an aftermarket substitute. Generic control boards frequently lack model-specific firmware calibration, leading to incorrect blower ramp-up timing, failed diagnostics, and shortened component life. OEM is the only safe choice for a control board replacement.
• Install difficulty: 3/5 — Disconnect all power before beginning. Tools needed: Phillips and flathead screwdrivers, needle-nose pliers, smartphone (photograph all wiring harness connections before removal). Transfer wiring harnesses one at a time to avoid mis-wiring. Check for any blown fuses on the old board before powering the new one.
• Warranty: 1-year OEM factory warranty against defects. In-stock and ships same business day from our warehouse.

Compatibility: Engineered specifically for the Carrier FX4CNF018005AAAA fan coil air handler. Always verify your OEM part number (HK61EA010) printed on your existing board's label before ordering to confirm an exact match. Have questions about fitment? Our HVAC parts specialists verify compatibility before every order — contact us before you buy.