Explanation DEVICE OUT IN SF
If 1 x two-channel: Simultaneity violated
If two-hand operation: Time monitoring violated.
Green O Green ashing Red ashing
Short-circuit test clock output T1 or T2 Green
2)
O Yellow ash‐
ing
Red ashing
If "monitored start": START button was pressed too long or
has a short-circuit.
Green Yellow ash‐
ing
O Red ashing
Feedback circuit error Green Green ashing Green Red ashing
1)
Dependent on device status
2)
Green ashing DEVICE LED: No startup testing
Error mode
Explanation DEVICE OUT IN SF
Device error
Restart possible by pressing the SET/RESET button.
Red O
3)
O
3)
O
3)
Group error
Restart possible by pressing the SET/RESET button
O
3)
O
3)
O
3)
Red
Group error, cross-circuit at input
Restart possible by pressing the SET/RESET button.
O
3)
O
3)
Yellow ash‐
ing
3)
Red
System stop
Restart only possible by disconnecting and re-connecting
the operating voltage.
Red O
3)
O
3)
Red
3)
On time-delayed devices, the LED ashes green/yellow provided the time-delayed outputs are still switched on
Display and diagnostics
11.4 Diagnostics
SIRIUS 3SK1 Safety Relays and 3RQ1 Positively-Driven Coupling Relays
190 Equipment Manual, 05/2021, A5E02526190021A/RS-AE/005
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