Hello probably I am missing something here but why there is Endstops only in one side of the rails? Should have in both isn’t it?
Endstops are used for determining “home” position and not for preventing motion beyond the working area.
It is possible to use endstops to limit the motion but this is not the usual configuration, and it requires a firmware change to implement this.
You can run it with just one on each end, but you’d probably need physical hard stops on the other side.
Thank to all, nice to know.