Display And Diagnostics; Led Display - Siemens SIRIUS 3SK1 Manual

Display and diagnostics

12.1

LED display

The LED indications of the Advanced safety relays are shown in the tables below. You can
find the LED indications of the Standard safety relays in the chapter "Display of the operating
state (Page 47)".
LED Display
(1) DEVICE OFF*
Green
Green flashing
Yellow
Yellow flashing
Green/yellow flashing
Red
(2) OUT OFF*
Green
Green flashing
Yellow
Yellow flashing
Green/yellow flashing
3SK1 safety relays
Manual, 04/2013, A5E02526190021A/RS-AA/01
Explanation
No voltage, group error
Configuration mode DIP (1) position: left
Device is ready for operation
Power-up: hardware test
Missing startup testing
Short-circuit on the SET/RESET button
Power-up DIP (1) position: right
Configuration mode DIP (1) position: right
Configuration changed
Device error
Output inactive
Configuration mode DIP (2) position: left
Output active
Power-up: hardware test
Feedback circuit error
Short-circuit on the SET/RESET button
Power-up DIP (2) position: right
Configuration mode DIP (2) position: right
START button pressed too long
Instantaneous outputs inactive, delayed outputs active
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