Siemens SINAMICS S120 - Page 325

Diagnostics
5.2 Diagnostics using LEDs
Commissioning with Startdrive
Commissioning Manual, 11/2017, 6SL3097-4AA10-0BP1
325
Table 5- 26 Meaning of the OPT LED on the Control Unit
LED
Color
Status
Description, cause
Remedy
OPT – OFF The electronics power supply is missing or outside the
permissible tolerance range.
CBE20 either defective or not inserted.
–
Green Continuous
light
CBE20 is ready and cyclic communication is taking place. –
Flashing
light
0.5 Hz
CBE20 is ready but cyclic communication is not running.
Possible causes:
• Communication is being established.
• At least one fault is present.
–
Red Continuous
light
Cyclic communication via PROFINET has not yet been
established. However, non-cyclic communications are
possible. SINAMICS is waiting for a parameteriza-
tion/configuration telegram.
–
Flashing
light
0.5 Hz
The firmware update into the CBE20 has been completed
with an error.
Possible causes:
• The memory card for the control unit is defective.
• The CBE20 is defective.
In this state CBE20 cannot be used.
–
Flashing
light
2 Hz
There is a communications error between the Control Unit
and the CBE20.
Possible causes:
• The CBE20 was withdrawn after booting.
• The CBE20 is defective.
Correctly insert the
board, if required,
replace.
Orange Flashing
light
0.5 Hz
Firmware of the CBE20 currently being updated. –