Siemens SINAMICS S120 Commissioning Manual page 286

Diagnostics
6.1 Diagnostics using LEDs
CU310-2 Control Unit in operation
Table 6-4 Description of the LEDs during operation of the CU310-2
LED Color
RDY -
Green
Red
Red/green
Orange
Green/
orange
or
red/
orange
Green/
orange
or
red/
orange
Green
284
State Description, cause, remedy
Off Electronic power supply is missing or outside permissible tolerance
range.
Remedy: Check the power supply.
Continuous light The unit is ready for operation.
Cyclic DRIVE-CLiQ communication is in progress.
Flashing light 0.5 Hz Commissioning/reset
Flashing light 2 Hz Writing to the memory card.
Flashing light with Shows the PROFIenergy energy-saving mode.
switch-on/off ratio
0.5 s = On
3 s = Off
Flashing light General errors
2 Hz
Remedy: Check the parameterization/configuration.
Flashing light The control unit is ready for operation, but there are no software
0.5 Hz licenses.
Remedy: Install the missing licenses.
Flashing light Updating the firmware of the DRIVE-CLiQ components.
0.5 Hz
Flashing light DRIVE-CLiQ component firmware update completed. Waiting for
2 Hz POWER ON of the corresponding components.
Remedy: Switch on the component.
Component detection via LED is activated (p0124[0]).
Flashing light
Remark:
2 Hz
Both options depend on the LED status when activating via
p0124[0] = 1.
Flashing light CU detection via DCP flashing.
1 Hz
Remark:
Both options depend on the LED status when component recog‐
nition is activated via DCP.
Flashing light: PROFIenergy energy-saving mode is active.
Switch-on/off ratio:
500 ms on
3000 ms off
Commissioning with Startdrive
Commissioning Manual, 06/2020, 6SL3097-5AA10-0BP2