Siemens SINAMICS S150 NEMA, Operating Instructions Manual, Page: 721 / 862

Diagnostics / faults and alarms
10.2 Diagnostics
Enclosed Drives
Operating Instructions, 12/2018, A5E36652151A
719
LED Color State Description
COM
PROFIdrive cyclic
operation
--- OFF Cyclic communication is not (yet) running.
Note:
The PROFIdrive is ready for communication when the Control Unit
is ready for operation (see LED RDY).
Green Continuous light Cyclic communication is taking place.
0.5 Hz flashing
light
Cyclic communication has still not been fully established.
Possible causes:
- The controller is not transmitting any setpoints.
- In isochronous mode, the controller did not send a Global Control
or it sent a defective Global Control (GC).
Red 0.5 Hz flashing
light
PROFIBUS master is sending incorrect parameter assignment/
configuration
2 Hz flashing light Cyclic bus communication has been interrupted or could not be
established.
OPT
(OPTION)
--- OFF Electronic power supply missing or outside permissible tolerance
range.
The component is not ready for operation.
The Option Board is missing or an associated drive object has not
been created.
Green Continuous light Option board is ready.
0.5 Hz flashing
light
Depends on the option board used
1)
.
Red Continuous light Depends on the option board used
1)
.
0.5 Hz flashing
light
Depends on the option board used
1)
.
2 Hz flashing light This component has at least one fault.
The option board is not ready (e.g., after switching on).
RDY and COM Red 2 Hz flashing light Bus error - communication has been interrupted.
RDY and OPT Orange 0.5 Hz flashing
light
The firmware of the connected option board is being updated.
1)
Any individual behaviors of the LED OPT are described at the respective Option Board.