Siemens SINAMICS Equipment Manual page 55

Table 4-8 Meaning of the OPT LED on the Control Unit
LED Color
OPT –
Green
Red
Orange
Supplementary component descriptions
Manual, 06/2019
Status Description, cause
OFF The electronics power supply is missing or outside the per‐
missible tolerance range.
CBE20 either defective or not inserted.
Continu‐ CBE20 is ready and cyclic communication is taking place.
ous light
Flashing CBE20 is ready but cyclic communication is not running.
light Possible causes:
0.5 Hz
● Communication is being established.
● At least one fault is present.
Continu‐ Cyclic communication via PROFINET has not yet been es‐
ous light tablished. However, non-cyclic communications are possible.
SINAMICS is waiting for a parameterization/configuration
telegram.
Flashing The firmware update into the CBE20 has been completed with
light an error.
0.5 Hz Possible causes:
● The memory card for the control unit is defective.
● The CBE20 is defective.
In this state CBE20 cannot be used.
Flashing There is a communications error between the Control Unit
light and the CBE20.
2 Hz Possible causes:
● The CBE20 was withdrawn after booting.
● The CBE20 is defective.
Flashing Firmware of the CBE20 currently being updated.
light
0.5 Hz
4.2 Communication Board Ethernet CBE20
Remedy
–
–
–
–
Replace the memory
card or the CBE20.
Correctly insert the
board, if required, re‐
place.
–
Option Boards
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