Siemens SINAMICS S120 Device Manual page 334

Diagnostics
7.3 LEDs on the CU320-2 PN Control Unit
Reaction of the LEDs after power-up
Table 7- 6 Control Unit CU320-2 PN – Description of the LEDs after power-up
LED Color
RDY (READY) -
Green
Red
Red/
Green
Orange
Green/
Orange
or
Red/
Orange
COM –
PROFIdrive
cyclic opera-
tion
Green
Red
334
Status
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
0.5 Hz
Flashing Writing to the memory card
2 Hz
Flashing General errors
2 Hz
Flashing Control unit is ready for operation.
0.5 Hz However, there are no software licenses.
Flashing Updating the firmware of the DRIVE-CLiQ com-
0.5 Hz ponents that are connected
Flashing DRIVE-CLiQ component firmware update has
2 Hz been completed. Wait for POWER ON of the
respective component.
Flashing Detection of the component via LED is activated
1 Hz (p0124[0]).
Note:
The two options depend on the LED status when
component detection is activated via p0124[0] =
1.
Off Cyclic communication has not (yet) taken place.
Note:
The PROFIdrive is ready to communicate when
the Control Unit is ready to operate (see LED
RDY).
Continuous Cyclic communication is taking place.
light
Flashing Full cyclic communication has not yet taken
0.5 Hz place.
Possible causes:
The controller is not transferring any set-
•
points.
During isochronous operation, no global con-
•
trol (GC) or a faulty global control (GC) is
transferred by the controller.
"Shared Device" is selected (p8929 = 2) and
•
only one controller is connected.
Flashing Bus error,
0.5 Hz incorrect parameter assignment/configuration
Flashing Cyclic bus communication has been interrupted
2 Hz or could not be established
Description, cause Remedy
Check power supply
–
–
–
Check parameter assign-
ment / configuration data
Retrofit licenses
–
Carry out POWER ON for
the components in question
–
–
–
–
Adapt configuration between
controller and devices
Eliminate the fault
Cabinet Modules NEMA
Manual, 04/2014, A5E03586450A