Siemens SINAMICS S120 Commissioning Manual page 244

Diagnostics
3.1 Diagnostics via LEDs
Table 3- 6
Orange
Control Unit 320-2 PN in operation
Table 3- 7 Control Unit CU320-2 PN – Description of the LEDs after booting
LED Color
RDY –
(READY)
Green
Red
Red/
green
Orange
Green/
orange
or
red/
orange
PN –
PROFIdrive
cyclic
operation
Green
242
Firmware
LED
RDY PN
Off
Alternating
Status Description, cause
OFF Electronics power supply is missing or outside the
permissible tolerance range.
Continuous The component is ready for operation and cyclic
light DRIVE-CLiQ communication is taking place.
Flashing Commissioning/reset
light
0.5 Hz
Flashing Writing to the memory card
light
2 Hz
Flashing General error
light
2 Hz
Flashing Control Unit is ready for operation.
light However, there are no software licenses.
0.5 Hz
Flashing Updating the firmware of the DRIVE-CLiQ
light components
0.5 Hz
Flashing DRIVE-CLiQ component firmware update
light complete. Wait for POWER ON for the
2 Hz components in question.
Flashing Component detection via LED is activated
light (p0124[0]).
2 Hz
Note:
Both options depend on the LED status when
component recognition is activated via
p0124[0] = 1.
Off Cyclic communication has not (yet) taken place.
Note:
PROFIdrive is ready for communication when the
Control Unit is ready (see LED RDY).
Continuous Cyclic communication is taking place.
light
Status
OPT
Off Initializing
Running
Commissioning Manual, (IH1), 01/2013, 6SL3097-4AF00-0BP3
Comment
–
See the table below
Remedy
Check power supply
–
–
–
Check parameterization /
configuration
Obtain licenses
–
Turn POWER ON for the
components in question
–
–
–
Commissioning Manual