Siemens SINAMICS S120 - Page 311

Diagnostics
5.2 Diagnostics using LEDs
Commissioning with Startdrive
Commissioning Manual, 11/2017, 6SL3097-4AA10-0BP1
311
LED
Color
Display
Description, cause, remedy
COM
PROFIdrive
cyclic
operation
– Off Cyclic communication has not (yet) taken place.
Remark:
PROFIdrive is ready for communication when the Control Unit is
ready (see LED RDY).
Green
Continuous light
Cyclic communication is taking place.
Flashing light
0.5 Hz
Full cyclic communication has not yet taken place.
Possible causes:
• The controller is not transferring any setpoints.
• During isochronous operation, no global control (GC) or a
faulty global control (GC) is transferred by the controller.
• Only possible for CU320-2 PN: "Shared Device" is selected
(p8929=2) and only one controller connected.
Red Flashing light
0.5 Hz
Bus fault, incorrect parameterization/configuration
Remedy
: Adapt configuration between master/controller and
CU.
Flashing light
2 Hz
Cyclic bus communication has been interrupted or could not be
established.
Remedy: Correct fault.
OPT – Off Electronics power supply is missing or outside permissible toler-
ance range.
Component is not ready.
Option board not installed or no associated drive object has
been created.
Remedy: Check power supply and/or component
Green
Continuous light
Option board is ready.
Flashing light
0.5 Hz
Depends on the option board used.
Red Flashing light
2 Hz
This component has at least one fault.
The Option Board is not ready (e.g. after switching on).
Remedy
: Correct fault and acknowledge.
RDY and
COM
Red Flashing light
2 Hz
Bus fault, communication has been interrupted
Remedy: Correct fault.
RDY and OPT Orange Flashing light
0.5 Hz
Firmware update in progress for connected Option Board
CBE20.