{"product_id":"carrier-ha1bjx036000adaa-control-board-6ymr4l","title":"OEM Carrier Defrost Control Board CESO110063-02 — HA1BJX036000ADAA","description":"\u003ch1\u003eOEM Carrier Defrost Control Board CESO110063-02 for Model HA1BJX036000ADAA\u003c\/h1\u003e\u003cp\u003eThis OEM defrost control board (part number \u003cstrong\u003eCESO110063-02\u003c\/strong\u003e) is the factory-specified replacement for the \u003cstrong\u003eCarrier HA1BJX036000ADAA\u003c\/strong\u003e heat pump system. The defrost control board manages the automatic defrost cycle, monitoring outdoor coil temperature and run time to initiate and terminate defrost as needed. When this board fails, symptoms typically include a frozen outdoor coil, the unit running continuously in defrost mode or never entering defrost, error fault codes, or a complete system lockout that prevents normal heating operation.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e OEM part number CESO110063-02 | Factory-matched defrost timing and termination logic | Designed for 3-ton (036) R-22 or R-410A heat pump configuration | Direct drop-in replacement with no wiring modifications required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is the genuine Carrier OEM board, programmed with the exact defrost timing, temperature thresholds, and fault logic specified for the HA1BJX036000ADAA. Aftermarket boards often use generalized firmware that can cause premature or delayed defrost cycles, leading to reduced efficiency and compressor damage over time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 3\/5\u003c\/strong\u003e — Disconnect power at the breaker before beginning. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, zip ties, and a multimeter to verify 24V control voltage. Photograph all wiring connections before removal. Transfer wiring one terminal at a time to avoid miswiring.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty against defects. Orders placed before 3 PM EST ship same business day from our climate-controlled warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Engineered specifically for the Carrier \u003cstrong\u003eHA1BJX036000ADAA\u003c\/strong\u003e heat pump. Always cross-reference part number CESO110063-02 against your unit's data plate and existing board label before ordering. Our HVAC parts specialists are available to verify fitment — contact us before you order if you have any questions. \u003cstrong\u003eIn stock and ready to ship today.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909361389939,"sku":"CARRIE-HA1BJX036000ADAA-CONTROL_BOARD-CESO110063-02","price":102.0,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909361422707,"sku":"CARRIE-HA1BJX036000ADAA-CONTROL_BOARD-CESO110063-02-GEN","price":60.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-defrost-CESO110063-02_018d0fcc-90b7-43ea-b98d-144c0b0cab9b.jpg?v=1782912613","url":"https:\/\/nationalhvacparts.com\/products\/carrier-ha1bjx036000adaa-control-board-6ymr4l","provider":"National HVAC Parts","version":"1.0","type":"link"}