The curtain motor CL200T will stop automatically if the drive wire tension and installation is right. Check the drive wire tension with small flat head screw driver or your finger tip. There should be a little tension and not too loose. Follow the manual or the video to assembly the track and properly adjust the driver string. Makes sure that the drive wire is along inside the track wall without interfering with any carrier wheeler. You should not be able to see the drive wire when you look straightly into track after properly setup. The following pictures show the position of the drive wire:
Master carriers should move very smoothly by hand pulling or pushing.
TRY TO PAY ATTENTION TO THE U SHAPE BRACKET POSITION. The following picture shows properly setup of the drive base before and after tightening drive wire:
