载货电梯非正常开门运行的原因综述

Summary of Reasons of Goods Lifts Running with Landing Doors Opening when It out of the Unlocking Zone

分析了载货电梯非正常开门运行的一些原因，并列举了一些案例加以补充说明，呼吁电梯的设计、制造、安装、维修、检验部门应加以注意。

This paper analyzes the reasons of goods lifts running with landing doors opening when it out of the unlocking zone and lists some living examples, and call on the elevator units including design, manufacture. installation, maintenance and inspection to pay attention to them.