Designed for specific heat pump dryers, this product replaces small power boards to ensure normal power supply and meet maintenance requirements. Compatible with specified dryer models, it provides stable power supply and effective transmission of operation commands, supporting consistent performance. It replaces damaged or malfunctioning power boards, reducing downtime due to power supply issues. The replacement process is straightforward, allowing easy installation and enabling dryers to resume operation. It stabilises the power supply connection, maintaining the drying process and enhancing equipment reliability.