Siemens SIRIUS 3SK1

Display and diagnostics
11
11.1 LED display
The
LED indications of the Advanced safety relays are shown in the tables below. You can 󹪝nd the
LED indications of the Standard safety relays in the chapter "Display of the operating state
(Page 57)".
LED Display Explanation
(1) DEVICE OFF* No voltage, group error
Con󹪝gur
ation mode DIP (1) position: left
Green Device is ready for operation
P
ower-up: hardware test
Green 󹪞ashing No startup testing
Shor
t-circuit on the SET/RESET button
Yellow Power-up DIP (1) position: r
ight
Yellow 󹪞ashing Con󹪝guration mode DIP (1) position: r
ight
Green/yellow 󹪞ashing Con󹪝guration c
hanged
Red Device error
(2) OUT OFF* Output inactive
Con󹪝gur
ation mode DIP (2) position: left
Green Output active
P
ower-up: hardware test
Green 󹪞ashing Feedback circuit error
Shor
t-circuit on the SET/RESET button
Yellow Power-up DIP (2) position: r
ight
Yellow 󹪞ashing Con󹪝guration mode DIP (2) position: r
ight
START button pressed too long
Green/yellow 󹪞ashing Instantaneous outputs inactive, delayed outputs active
SIRIUS 3SK1 Safety Relays and 3RQ1 Positively-Driven Coupling Relays
Equipment Manual, 05/2021, A5E02526190021A/RS-AE/005 185