Why does the electric door sometimes shift?

Elefine electric doors open and close along a fixed track, but after a period of use, they tend to shift. Why? After all, it is the result of no care. The specific reasons are divided into the following categories:

• 1. When the electric door is in use, if the door body is too tight, the assembly is not good, and the operation is not smooth, it will easily cause the electric door to shift.
• 2. If the motor chain caused by the displacement of the electric door is loose, it is easy to cause the electric door to shift, so it is necessary to find maintenance personnel to repair it in time.
• 3. When the electric door is in use, if the floor of the machine head is heavier, or the door style of the electric door is not suitable for trackless, then the electric door will shift.