Refrigerator compressor frequency conversion board drive board JXPR-ST-03B VTD1113Y control motherboard Multi-sensor fusion processing: Integrates multiple sensors such as temperature, humidity, and door switches to monitor status in real time, achieving intelligent decision-making and control Overcurrent and overvoltage protection mechanism: The motherboard is equipped with real-time current and voltage monitoring; in case of abnormalities, it automatically cuts off power or limits current to prevent damage to the motherboard and compressor Modular interface design: The compressor, fan, display, and other components use independent plug-and-play interfaces for easy troubleshooting and component replacement Low-power standby mode: In standby mode, the motherboard's core circuits enter a low-power state, meeting energy-saving standards and reducing energy consumption