Restore the functionality of your portable air conditioner with the genuine Hiair HAK-HPACPCB0002 Main Control Board. This original equipment manufacturer (OEM) printed circuit board (PCB) is the central processing unit for your appliance, managing all critical functions including temperature settings, fan speeds, and operational modes. If your air conditioner is unresponsive, displaying error codes, or failing to power on, a faulty control board is often the culprit. This replacement part is designed to meet the exact specifications of compatible Hiair models, ensuring a reliable and straightforward repair to get your unit running efficiently again. Please verify your air conditioner’s model number for compatibility before purchasing.