Shelly Blu Door/Window shows 0.1° instead of opened after a while

[Manuel]

The magnet of my Shelly Blu Door/Window is mounted vertically on the garage door and the sensor on the fixed garage door frame. When the garage door is closed, the app permanently shows me the status closed. However, if the garage door is opened, it first shows open for a while and then suddenly changes to 0.1°. Why?

In this case my scene does not work which triggers status opened and should close the garage door in the evening at a fixed programmed time. What can I do to ensure that the Shelly Blu Door/Window constantly sends opened to Shelly App instead of 0.1°? Thank you very much for your help.

Greetings Manuel

[RaBaDaK]

Your installations works correctly. You have mounted the sensor at the Frame and After opening the door the Sensor Shows the degrees of the Frame. 
change mounting place of magnet and sensor and the Shelly Apps shows the angel of the door.

best regards

Volker