Why does the door knife sometimes not open in Jiangnan Jiajie elevator?

The car door lock is disconnected during operation. Jiangnan Jiajie elevator adopts Manak 3000 control system, and the elevator often declares passengers. The main fault reason is that the car door lock is disconnected during operation. It is necessary to check and adjust the door lock switch of Jiangnan Jiajie elevator in time to ensure the safety of users. Suzhou Jiangnan Jiajie Elevator Co., Ltd. (SJEC for short), established in 1992, specializes in designing, manufacturing, selling, installing and maintaining elevator, escalator and moving sidewalk products, and is located in Suzhou Zhongxin Industrial Park.