{"product_id":"carrier-control-board-fc4cnf038000aaaa","title":"OEM Carrier Control Board Replacement for Model FC4CNF038000AAAA","description":"\u003cdiv\u003e\n\u003ch1\u003eOEM Carrier Control Board Replacement for Model FC4CNF038000AAAA\u003c\/h1\u003e\n\u003cp\u003eThis genuine OEM Carrier control board is the factory-specified replacement for the FC4CNF038000AAAA fan coil unit. The control board is the brain of the system, managing blower operation, fan speeds, safety interlocks, and communication with the thermostat. A failing board often shows up as a unit that won't start, a blower stuck on or off, erratic fan staging, or fault codes on the diagnostic LED. Because this is the exact OEM board engineered for the FC4CNF038000AAAA, its relays, connectors, and firmware match your equipment precisely, eliminating the compatibility and wiring problems that come with aftermarket boards. Replacement is a more advanced repair: power down the unit, photograph and transfer each wiring harness to the identical terminal on the new board, then remount it on the existing standoffs. Most experienced techs complete the swap in 30 to 45 minutes. Always disconnect power at the breaker before servicing the control circuit. Orders placed before 3PM CST ship same-day, so you can restore full system control quickly.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis part is compatible with Carrier model FC4CNF038000AAAA.\u003c\/p\u003e\n\u003ch2\u003eShipping\u003c\/h2\u003e\n\u003cp\u003eSame-day shipping before 3 PM CST. 30-day returns on uninstalled parts.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Carrier","offers":[{"title":"Default Title","offer_id":62947545088371,"sku":"carrier-control-board-fc4cnf038000aaaa","price":189.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/carrier-control-board-fc4cnf038000aaaa","provider":"National HVAC Parts","version":"1.0","type":"link"}