OEM Carrier Fan Blower Control Board HK61EA006 for Model FA4CNF042015AAAA

This OEM fan blower control board (part number HK61EA006) is the factory-specified replacement for the Carrier FA4CNF042015AAAA air handler. The integrated fan control board orchestrates all blower motor functions — managing heating, cooling, and continuous fan speeds while sequencing safety controls and monitoring system inputs. When this board fails, symptoms typically include the blower refusing to start, running continuously regardless of thermostat commands, erratic fan speeds, or the entire air handler becoming unresponsive. In some cases, fault LED codes on the board itself will indicate a control failure before complete shutdown occurs.

• Specs: OEM part number HK61EA006 | Factory-matched for Carrier FA4CNF042015AAAA air handler | 24V control circuit compatible | Multi-speed blower sequencing with integrated fault diagnostics
• OEM vs Generic: This is a genuine OEM Carrier board, programmed with factory-exact timing delays, speed profiles, and safety lockout sequences. Aftermarket boards often use generic firmware that can cause short-cycling, improper blower delays, and voided equipment warranties.
• Install Difficulty: 3/5 — Requires disconnecting 24V control wiring and line-voltage blower motor leads. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter, and camera or phone to photograph all wiring connections before removal. Always shut off power at the disconnect and breaker before beginning.
• Warranty: 1-year OEM factory warranty. In-stock units ship same business day when ordered before 3PM local time.

Compatibility: Engineered specifically for the Carrier FA4CNF042015AAAA air handler. Verify your existing board's part number matches HK61EA006 before ordering, as neighboring model variants may use a different board revision. Our fitment team is available to confirm compatibility before you purchase — no guesswork, no returns.