Elevators often do not close the door. What are the reasons? The following is explained by China bed elevator supplier :

1) Light curtain or safety touch panel action;

2) Door open button action;

3) The call button on this layer is stuck;

4) Door closing in place signal malfunctions;

5) Overload switch action;

6) Motherboard failure protection;

7) Motor temperature protection action;

8) Door machine failure;

9) Check the CAN communication status through the CAN communication interference evaluation function of the motherboard. Poor communication conditions may also lead to closed doors;

10) Defective door closing relay.

FUJI HSED China Elevator Lifts Factory,Freight Elevators Manufacturers , as a professional elevator manufacturer, will provide professional methods and techniques to solve various elevator problems.