The Mitsubishi Electric T7WHN0315 Controller Board is a genuine replacement control circuit board designed for compatible Mitsubishi Electric air-conditioning systems, including the MXZ-8B140VA-A outdoor unit. It functions as the system’s electronic control center, processing signals from sensors and coordinating key operations such as compressor performance, fan speed, and temperatur... https://www.partshnc.com/t7whn0315-mitsubishi-electric-controller-board