Fault 9: The actuator acts abnormally, but the motor does not stop after the limit switch acts. Treatment method: check whether the limit switch and its wiring are faulty; Replace the control module. 　　

Winter is over, can spring be far behind? The cold winter of the world economy has come to an end. The economic recovery has led to the rapid development of industrial industry. At the same time, various pipeline valves are becoming more and more popular. China's valve electromechanical products have certain competitiveness in the world import and export market, so the changed economic situation is a huge opportunity for China's valve production industry.