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.
Error messages
The control unit checks the correct operation of the safety devices. In case of failure, the following messages may appear on the 
display:
ERR1  Error, check photocells at PHOT O input.
ERR2  Error, check photocells at PHOT C input.
ERR3  Error, ENCODER/ check fuse F3
ERR4  Error, TRIAC
Fuses
F1  Protection fuse of transformer 
F2  Output protection fuse of accessories and signals
F3   Output protection fuse for motor and blinker 
Example of programming
Let us suppose it is necessary to:
- set an automatic closing time (TCA) of 100s 
- activate pre-blinking 
Perform the operations described below step by step:
Step Press Display Notes
1
PAR
First menu
2
TCA
First function of the first menu
3
040
Value currently set for the function selected
4
100
Set the desired value with the <+> and <-> keys
5
PRG
The value is programmed
TCA
When programming has been made, the display goes to the function just set
6
PAR
Press <+> and <-> simultaneously to go to the higher menu 
7
Log
Second menu
8
TCA
First function of the second menu
9
Pre
Press <-> several times to select PRE logic 
10
OFF
Value currently set for the function selected
11
ON
Set the desired value with the <+> and <-> keys
12
PRG
The value is programmed
Pre
When programming has been made, the display goes to the function just set
13
PAR
Press <+> and <-> simultaneously to go to the higher menu and quit programming or wait 
30s.