User Manual

Operating Instructions Safety Switches CES-AR-C.2-AH
23
Functional check
After installation and any fault, the safety function must be fully checked. Proceed 
as follows:
Warning!
Danger of fatal injury as a result of faults in installation and functional check.
Ì Before carrying out the functional check, make sure that there are no per-
sons in the danger area.
Ì Observe the valid accident prevention regulations.
1.  Switch on operating voltage.
Ì The safety switch carries out a self-test.  
The green LED STATE flashes for 8 s with 10 Hz. 
The STATE LED then flashes at regular intervals.
2.  Close all safety guards.
Ì The machine must not start automatically.
Ì The green STATE LED illuminates continuously.
3.  Enable operation in the control system.
4.  Open the safety guard.
Ì The machine must switch off and it must not be possible to start it as long as 
the safety guard is open.
Ì The green LED STATE flashes at regular intervals.
Repeat steps 2-4 for each safety guard.