OEM Carrier Fan Blower Control Board HK61EA002 for Model FB4ASX070000AEAA

This OEM fan blower control board (part number HK61EA002) is the factory-specified replacement for the Carrier FB4ASX070000AEAA air handler. The integrated fan control board serves as the central command center for your air handler — managing blower motor speeds, sequencing heating and cooling operations, coordinating with the thermostat, and protecting the system through built-in diagnostics. When this board fails, common symptoms include the blower motor refusing to run, erratic fan speeds, failure to respond to thermostat calls, repeated lockout codes, or a completely unresponsive air handler that shows no signs of life.

• Specs: OEM Part Number HK61EA002 | Designed for Carrier FB4ASX070000AEAA air handler | Factory-matched control logic, relay ratings, and terminal layout | Includes diagnostic LED indicator for fault code readout
• OEM vs Generic: This is a genuine OEM Carrier board — not an aftermarket substitute. Generic control boards frequently carry mismatched relay ratings, incompatible firmware logic, or imprecise blower speed taps that can cause premature motor failure, nuisance lockouts, and voided equipment warranties. Only OEM ensures exact form, fit, and function.
• Install Difficulty: 3/5 — Intermediate skill level recommended. Shut off power at the breaker and verify zero voltage with a multimeter before beginning. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter. Photograph all wire harness connections and label terminals before disconnecting. Static discharge precautions are strongly advised when handling the board.
• Warranty: 1-year OEM factory warranty against defects in materials and workmanship. In-stock and ships same business day from our warehouse.

Compatibility: Engineered as a direct OEM replacement for the Carrier FB4ASX070000AEAA air handler. Always cross-reference the part number on your existing board and confirm your model number on the unit's data plate before ordering. Need fitment verification? Our HVAC parts specialists are available to confirm compatibility before you buy — order with confidence.