Siemens 6SL38503UM114PA0Z, Operating Instructions & Installation Instructions

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8.5.1 External warnings and faults
With the terminal blocks TM15/TM31, there are 24 terminals. With STARTER or SCOUT, you
can select which predefined messages are displayed and which protection devices are to be
triggered. The list of parameterized faults and alarms can be found in the List Manual in the
"Faults and alarms" section.
8.5.2 Diagnostics
8.5.2.1 Diagnostics via LEDs
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
LEDs of the Power Stack Adapters
Table 8-2 LEDs of the Power Stack Adapters
LED Color Status Description; cause Remedy
PWR - Off 24 V power supply has failed or is too low
(< 14 V) or internal fuse defective.
Check input voltage.
If input voltage is > 18 V and LED off:
Return component for repair.
Red Continuous
light
24 V power supply is available (>14 V);
internal board voltage fault.
Check input voltage.
If input voltage is > 18 V and LED red:
Return component for repair.
Green Continuous
light
24 V power supply OK.
Internal board voltages OK. --
Operation
8.5 Fault and system messages
SINAMICS GL150 6SL38503UM114PA0Z
98
Operating Instructions Rev.201910301420 MUSTER