OEM Carrier Control Board CESO130007 for Model FK4BNF004015AAAA Air Handler

This is the factory OEM integrated control board (part number CESO130007) for the Carrier FK4BNF004015AAAA fan coil air handler. The control board serves as the central brain of your air handler, orchestrating blower motor operation, electric heat sequencing, thermostat signal interpretation, and system fault detection. When this board fails, symptoms range from complete system shutdown and unresponsive thermostat calls to erratic blower behavior, failure to energize heat strips, or continuous blower operation that won't shut off. Diagnostic fault codes displayed on the board's LED indicator can confirm the board as the root cause before you order.

• Specs: OEM part number CESO130007 | 24V control circuit compatible | Supports single and multi-speed blower configurations | Integrated LED fault-code diagnostics | Factory-matched for Carrier FK4BNF004015AAAA air handler
• OEM vs Generic: This is the genuine Carrier OEM board — not an aftermarket substitute. OEM boards preserve factory fault-code logic, blower ramp timing, and heat strip sequencing that generic boards frequently mismanage, leading to callbacks and shortened equipment life.
• Install difficulty: 3/5 — Requires comfort with low-voltage wiring. Tools needed: Phillips and flathead screwdrivers, 1/4" nut driver, needle-nose pliers, smartphone or camera to photograph all wiring harness connections before removal. Discharge any capacitors and confirm power is off at both the breaker and disconnect before beginning. Label every connector.
• Warranty: 1-year OEM factory warranty against defects. Orders placed before cutoff ship same business day from our climate-controlled warehouse.

Compatibility: Designed and factory-specified for the Carrier FK4BNF004015AAAA fan coil air handler. Always confirm OEM part number CESO130007 against your existing board's label and verify your unit's model and serial number on the data plate before ordering. Our HVAC parts specialists are available to confirm fitment — don't guess on a control board. Order now and your part ships today.