Siemens SINAMICS GL150, Operating Instructions Manual, Page: 116 / 168

LED Operation
POWER CHANNEL1 CHANNEL2 Line supply EMERGENCY
STOP
ON Release circuits
☀ ○ ○ ● 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 8-3 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. --
RUN /
ERR
- Off The electronic power supply is missing or
lies outside the permissible tolerance
range.
-
Green Continuous
light
The component is ready for operation
and cyclic DRIVE-CLiQ communication
is in progress.
-
Orange Continuous
light
DRIVE-CLiQ communication is being es‐
tablished.
-
Red Continuous
light
At least one fault is present in the com‐
ponent.
LED is controlled irrespective of the cor‐
responding messages being reconfig‐
ured.
Remedy and acknowledge fault.
Green/red 0.5 Hz flashing
light
Firmware download in progress. -
2 Hz flashing
light
Firmware download is complete. Waiting
for POWER ON.
Carry out a POWER ON.
Green/
orange
or
Red/orange
Flashing light Component recognition via LED is acti‐
vated.
The color depends on the LED state
when component recognition is activated.
-
Operation
8.5 Fault and system messages
SINAMICS GL150 6SL38555UN113KA0Z
116
Operating Instructions Rev.201910281450 EXAMPLE