Check the electrical box wiring and tighten the situation, adjust delay relays and overload protector, connect circuits, test motor steering, select the appropriate specifications of the fuse.
Whether the over loading protector is loosed or not: (the picture 6 right) after cool then will be restoration automatically, and check the motor whether is hot or not.
过载保护器是否脱开：（图6右）待冷后自动复合，检查电机是否发热。
3
A monitoring protector for elevator troubles is designed which can check the working state of the elevator and the input power at any time. The working conditions of this protector are analyzed.