This electronic control unit manages the electrical and hydraulic functions of the baler's control system. It receives input signals from sensors and operator switches, then sends commands to the hydraulic valves that control bale chamber functions, density, and tying sequence. A failed controller can cause erratic bale formation, inconsistent density, or a complete loss of hydraulic function. This original part is programmed with the specific logic and calibration that matches the machine's hydraulic circuit, so no additional configuration is needed during replacement.