OEM Carrier Fan Blower Control Board HK61EA006 for Model FB4BNF018008AAAA

This is the factory OEM fan blower control board (part number HK61EA006) for the Carrier FB4BNF018008AAAA air handler. The integrated fan control (IFC) board is the nerve center of your air handler — it sequences the blower motor through heating, cooling, and continuous fan modes while monitoring safety inputs and managing variable-speed or multi-speed fan operation. When the board fails, common symptoms include the blower not responding to thermostat calls, the system locking out with no error code, intermittent operation, or all functions going completely dead despite 24V power at the board.

• Specs: OEM Part Number HK61EA006 | Compatible with Carrier FB4BNF018008AAAA air handler | 120/240V input | 24V control circuit | Multi-speed blower control with timed-off delay logic
• OEM vs Generic: This is a genuine Carrier OEM board manufactured to exact factory tolerances. Aftermarket boards frequently use off-spec relays and capacitors that fail prematurely or mistime blower delays — leading to repeat service calls and comfort complaints. OEM ensures full compatibility with your system's communicating or conventional thermostat wiring.
• Install Difficulty: 3/5 — Photograph all wiring connections and note terminal labels before disconnecting. Power down the air handler at the disconnect and breaker before beginning. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter to verify 24V control voltage. Transfer wiring one terminal at a time to avoid miswiring. Improper installation may trigger safety lockouts.
• Warranty: 1-year OEM factory warranty against defects in materials and workmanship. In stock and ships same business day from our climate-controlled warehouse.

Compatibility: Engineered specifically for the Carrier FB4BNF018008AAAA air handler. Always verify your existing board's part number against HK61EA006 before ordering. If you're unsure of fitment, our HVAC parts specialists are available to confirm compatibility before you purchase — preventing costly returns and downtime.