Led Overview; Functions - Siemens SINAMICS G120 Operating Instructions Manual

Service and maintenance

7.3 LED Overview

7.3 LED Overview
Status display via LEDs
The SINAMICS G120 inverters provide multiple functions and operating states which are
indicated via LEDs.
Figure 7-1 State LEDs on the CU240S, CU240S DP, CU240S DP-F
Colours
The colours of the LEDs are self explanatory. The Status of the inverter is displayed by the
following different LED colours and states:
Meaning
Fault indication LEDs
SF
•
BF
•
Ready LED
RDY
•
Fail-safe LEDs
ES
•
STO, SS1, SLS
•
If for a certain state it is indifferent whether the LED is ON, OFF or flashing it is mentioned as
"not relevant".
7-4
Color
on
Red
Green
Yellow
State
off Temporary state
(flashing 0.5 Hz)
Operating Instructions, 11/2006, A5E00766042B AA
Control Units CU240S