Siemens Sinamics S120 Comissioning Manual page 140

Diagnostics
5.2 Diagnostics using LEDs
Control Unit 320-2 in operation
Table 5- 4 CU320-2 PN Control Unit – description of the LEDs after powering up
LED Color
RDY –
(READY)
Green
Red
Red/
green
Orange
Green/
orange
or
red/
orange
Green/
orange
or
red/
orange
Green
140
State Description, cause
OFF Electronic power supply is missing or outside
permissible tolerance range.
Continuous light The component is ready for operation and cyclic
DRIVE-CLiQ communication is taking place.
Flashing light Commissioning/reset
0.5 Hz
Flashing light Writing to the memory card
2 Hz
Flashing light General errors
2 Hz
Flashing light Control Unit is ready for operation.
0.5 Hz However, there are no software licenses.
Flashing light Updating the firmware of the DRIVE-CLiQ com-
0.5 Hz ponents
Flashing light DRIVE-CLiQ component firmware update com-
2 Hz plete. Wait for POWER ON for the components
in question.
Flashing light Component detection via LED is activated
2 Hz (p0124[0]).
Note:
Both options depend on the LED status when
component recognition is activated via
p0124[0] = 1.
Flashing light CU detection via DCP flashing.
1 Hz
Note:
Both options depend on the LED status when
component recognition is activated via DCP.
Flashing light: PROFIenergy energy saving mode is active.
Switch-on/off
ratio:
500 ms on
3000 ms off
Commissioning Manual, (IH3), 07/2016, 6SL3097-4AA10-0BP0
Remedy
Check the power supply.
–
–
–
Check parameterization /
configuration data
Obtain licenses.
–
Turn POWER ON for the
components in question
–
–
–
Commissioning with Startdrive