{"product_id":"carrier-dhmshaq09xa101-control-board-1um9ge","title":"OEM Carrier Main Control Board 17122000A20389 for DHMSHAQ09XA101","description":"\u003ch1\u003eOEM Carrier Main Control Board 17122000A20389 for Model DHMSHAQ09XA101\u003c\/h1\u003e\u003cp\u003eThis is the factory OEM main control board (part number \u003cstrong\u003e17122000A20389\u003c\/strong\u003e) for the \u003cstrong\u003eCarrier DHMSHAQ09XA101\u003c\/strong\u003e mini-split system. The main control board is the central command module of your unit — it interprets thermostat and remote signals, sequences compressor and fan operation, monitors safety inputs, and manages inverter communication. When it fails, symptoms range from a completely unresponsive system and error codes on the display, to erratic cycling, loss of one or more operating modes (heat, cool, fan), or failure to power on at all. Replacing the control board with the exact OEM part ensures all factory logic, timing, and safety thresholds are preserved.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e OEM Part No. \u003cstrong\u003e17122000A20389\u003c\/strong\u003e | Factory-programmed main control board | Designed for Carrier \u003cstrong\u003eDHMSHAQ09XA101\u003c\/strong\u003e mini-split | Exact-fit PCB with all original connectors and mounting points\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM control boards are programmed with the exact firmware and component tolerances required by your Carrier system. Aftermarket boards often lack model-specific firmware calibration, which can trigger false fault codes, void remaining warranties, and compromise inverter communication — leading to premature compressor failure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 3\/5\u003c\/strong\u003e — Requires disconnecting and reconnecting multiple low-voltage harnesses and ribbon cables. Tools needed: Phillips and flathead screwdrivers, needle-nose pliers, and a phone or camera to photograph all connector positions before removal. Always disconnect power at the breaker and wait 5 minutes to allow capacitors to discharge before handling the board.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty against defects. Orders placed before cutoff ship the same business day from our stocked warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e This control board is factory-specified for the Carrier \u003cstrong\u003eDHMSHAQ09XA101\u003c\/strong\u003e mini-split system. Always verify the OEM part number \u003cstrong\u003e17122000A20389\u003c\/strong\u003e against your existing board's label before ordering to confirm fitment. Not sure if this is the right part? Our HVAC parts specialists verify fitment before you buy — contact us before placing your order.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909577298291,"sku":"CARRIE-DHMSHAQ09XA101-CONTROL_BOARD-17122000A20389","price":156.0,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909577331059,"sku":"CARRIE-DHMSHAQ09XA101-CONTROL_BOARD-17122000A20389-GEN","price":90.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-furnace-17122000A20389.jpg?v=1782928778","url":"https:\/\/nationalhvacparts.com\/products\/carrier-dhmshaq09xa101-control-board-1um9ge","provider":"National HVAC Parts","version":"1.0","type":"link"}