Fibaro Roller Shutter 3 - Problems with installing device

Did you read the part about calibration of the Fibaro Roller Shutter 3?

And when it is not working you can try this.
https://community.homey.app/t/fibaro-roller-shutter-3/27653

Or use the search function with Fibaro and Calibration. There is a lot of info.
I don’t use them.