Siemens SINAMICS G120 - Page 357

Alarms, faults and system messages
11.1 Operating states indicated on LEDs
Inverter with CU230P-2 Control Units
Operating Instructions, 11/2013, FW V4.6.6, A5E02430659B AG
357
Table 11- 4 Communication diagnostics via PROFIBUS DP
LED BF
Explanation
off
Cyclic data exchange (or PROFIBUS not used, p2030 = 0)
RED - slow
Bus fault - configuration fault
RED - fast Bus fault
- no data exchange
- baud rate search
- no connection
YELLOW - variable
frequency
Firmware update in progress
LED BF display for CANopen
In addition to the signal states "on" and "off" there are three different flashing frequencies:
Table 11- 5 Communication diagnostics via CANopen
BF LED
Explanation
GREEN - on
Bus state "Operational"
GREEN - fast
Bus state "Pre-Operational"
GREEN - single flash
Bus state "Stopped"
RED - on
No bus
RED - single flash
Alarm - limit reached
RED - double flash
Error event in control (Error Control Event)
YELLOW - variable
frequency
Firmware update in progress