OEM Carrier Fan Blower Control Board HK61EA006 for Model FA4CNF036015AAAA

This is the factory OEM fan blower control board (part number HK61EA006) for the Carrier FA4CNF036015AAAA air handler. The control board serves as the central command module for blower motor operation, orchestrating fan speed staging, heating and cooling call response, and indoor air quality accessory control. When this board fails, common symptoms include the blower motor not running at all, incorrect or erratic fan speeds, failure to respond to thermostat calls, continuous blower operation that won't shut off, or a complete system lockout with no error code output.

• Specs: OEM part number HK61EA006 | Factory-direct replacement for Carrier FA4CNF036015AAAA air handler | 24V control circuit input | Compatible with single and multi-stage thermostat configurations | Includes integrated blower motor speed taps and diagnostic LED indicator
• OEM vs Generic: This is a genuine Carrier OEM board — factory-programmed with the exact logic, timing sequences, and motor speed profiles required for your FA4CNF036015AAAA unit. Aftermarket boards may lack precise timing calibration, leading to premature motor wear, inefficient staging, or recurring lockout faults.
• Install Difficulty: 3/5 — Requires disconnecting 120V and 24V wiring harnesses. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, phone or camera to photograph all wiring connections before removal. Always shut off power at the breaker and disconnect the disconnect block before servicing. If your unit is under warranty, professional installation is recommended.
• Warranty: 1-year OEM factory warranty against defects. In-stock and ships same business day from our warehouse — order by 3 PM local time for same-day dispatch.

Compatibility: Designed specifically for the Carrier FA4CNF036015AAAA fan coil air handler. Verify your existing board's part number against HK61EA006 before ordering. If you are unsure of fitment, our HVAC parts specialists can confirm compatibility using your model and serial number — contact us before placing your order. In-stock units ship today.