Siemens SINAMICS S120 Device Manual page 337

Table 7- 9 Meaning of the OPT LED on the Control Unit
LED Color
OPT –
Green
Red
Orange
Cabinet Modules NEMA
Manual, 04/2014, A5E03586450A
Status Description, cause
OFF Electronics power supply is missing or outside the permissi-
ble tolerance range.
Communication Board either defective or not inserted.
Continu- Communication Board is ready and cyclic communication is
ous light taking place.
Flashing The Communication Board is ready, but cyclic communica-
0.5 Hz tions is not running.
Possible causes:
At least one fault is present.
•
Communication is being established.
•
Continu- Cyclic communication via PROFINET has not yet been
ous light established. However, acyclic communication is possible.
SINAMICS is waiting for a parameter assign-
ment/configuration message frame.
Flashing The firmware update into the CBE20 has been completed
0.5 Hz with an error.
Possible causes:
The CBE20 is defective.
•
The memory card for the control unit is defective.
•
In this state, the CBE20 cannot be used.
Flashing There is a communication error between the Control Unit
2 Hz and the CBE20.
Possible causes:
The board was removed following power-up.
•
The board is defective.
•
Flashing Firmware is being updated.
0.5 Hz
7.4 LEDs on the CBE20 Communication Board
Diagnostics
Remedy
–
–
–
–
–
Correctly insert the
board, if required,
replace.
–
337