Siemens SINAMICS S120 - Page 141

Diagnostics
5.2 Diagnostics using LEDs
Commissioning with Startdrive
Commissioning Manual, (IH3), 07/2016, 6SL3097-4AA10-0BP0
141
LED
Color
State
Description, cause
Remedy
COM
PROFI-
drive
cyclic
operation
– Off Cyclic communication has not (yet) taken place.
Note:
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 set-
points.
• 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 De-
vice" is selected (p8929=2) and only one
controller connected.
–
Red Flashing light
0.5 Hz
Bus error,
incorrect parameter assignment/configuration
Adapt configuration be-
tween master/controller
and CU.
Flashing light
2 Hz
Cyclic bus communication has been interrupted
or could not be established
Remove fault.
OPT
(OPTION)
– Off Electronic power supply is missing or outside
permissible tolerance range.
Component is not ready.
Option board not installed or no associated drive
object has been created.
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 switch-
ing on).
Remedy and acknowledge
fault.
RDY and
COM
Red Flashing light
2 Hz
Bus error,
communication has been interrupted
Remove fault.
RDY and
OPT
Orange Flashing light
0.5 Hz
Firmware update in progress for connected Op-
tion Board CBE20
–