Siemens SINAMICS S120 Equipment Manual page 57

Meaning of the LEDs on the active line module
Table 3-5 Meaning of the LEDs on the active line module
LED Color
-
Green
READY
Orange
Red
Green
Red
-
DC LINK
Orange
Red
Cause and rectification of faults
The following reference contains information about the cause and rectification of faults:
Reference: /IH1/ SINAMICS S120, Installation and Start-Up Manual
Booksize Power Sections
Equipment Manual, (GH2), 04.2004 Edition, 6SL3097-2AC00-0BP0
State
OFF
Continuous
Continuous
Continuous
Flashing
2 Hz
OFF
Continuous
Continuous
3.2 Active line modules booksize internal air cooling
Description
Electronics power supply outside permissible tolerance
range.
The component is ready for operation and cyclic DRIVE-
CLiQ communication is taking place.
DRIVE-CLiQ communication is being established.
At least one fault is present in this component.
The firmware is being downloaded.
Component recognition via LED is activated (p0124).
Electronics power supply outside permissible tolerance
range.
DC link voltage within permissible tolerance range (only
when ready for operation).
DC link voltage outside the permissible tolerance range
(only when active line module is ready for operation).
Line Modules Booksize
3-9