Siemens SINAMICS SM120 - Diagnostics Via Leds; Leds of the Sirius Safety Relay; Table 8-1 Leds of the Sirius Safety Relay

8.3.2 Diagnostics via LEDs
8.3.2.1 LEDs of the Sirius safety relay
Table 8-1 LEDs of the Sirius safety relay
LED Operation
POWER CHANNEL1 CHANNEL2 Line supply EMERGENCY
STOP
ON Release circuits
☀ ☀ ☀ On Not actuated Actuated Closed
☀ ○ ○ Actuated Not actuated Open
☀ ○ ○ Not actuated Not actuated Open
Fault
☀ ○ ○
● Relay jammed
● Motor contactor jammed
● Defect in electronics
Open
○ ○ ○ Cross-circuit/ground fault in EMERGENCY STOP
circuit/no supply voltage
Operation
8.3 Fault and system messages
SINAMICS SM120 6SL38715
Operating Instructions 07/2015 81