13
Diagnostics
In the event of malfunctions, by pressing key + or - the status of all inputs (limit switches, control and safety) can be displayed. One 
segment of the display is linked to each input. In the event of  failure it switches on according to the following scheme.
 
   
N.C. inputs are represented by the vertical segments. N.O. inputs are represented by the horizontal segments.
For example, with the leaves 
completely closed the display 
is as follows:
the moment an Open impulse 
is given:
during the opening phase: with the leaves completely 
open: