Siemens SIRIUS 3SK1 Manual page 191

Error mode
Explanation
Device fault (restart possible by pressing the SET/RESET
button)
Group error (restart possible by pressing the SET/RESET
button)
Group error, cross-circuit at the input (restart possible by
pressing the SET/RESET button)
System stop (restart possible by disconnecting and re-
connecting the operating voltage)
On time-delayed devices, the LED flashes green/yellow provided the time-delayed outputs are still switched on
3)
3SK1 safety relays
Manual, 04/2013, A5E02526190021A/RS-AA/01
DEVICE OUT
Red Off
3)
Off Off
3) 3)
Off Off
3) 3)
Red Off
3)
Display and diagnostics
12.4 Diagnostics
IN SF
Off Off
3) 3)
Off Red
3)
Flashing Red
yellow
3)
Off Red
3)
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