Siemens SINAMICS S120 Device Manual page 335

LED Color
OPT –
(OPTION)
Green
Red
RDY and Red
COM
RDY and Orange
OPT
Cabinet Modules NEMA
Manual, 04/2014, A5E03586450A
Status
Off Electronics power supply is missing or outside
the permissible tolerance range.
Component is not ready.
Option board not installed or no associated drive
object has been created.
Continuous Option board is ready.
light
Flashing Depends on the option board used.
0.5 Hz
Flashing At least one fault is pending on this component.
2 Hz
Option board not ready (e.g., after switching on).
Flashing Bus fault – communication has been interrupted
2 Hz
Flashing Firmware update in progress for connected Op-
0.5 Hz tion
Board CBE20
7.3 LEDs on the CU320-2 PN Control Unit
Description, cause
Diagnostics
Remedy
Check power supply and/or
component
–
–
Remedy and acknowledge
fault
Eliminate the fault
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