Siemens SINAMICS G120 Function Manual page 134

Alarms, faults and system messages
6.1 Operating states indicated on LEDs
Table 6- 1
Table 6- 2
Table 6- 3
SAFE LED displays
Table 6- 4
134
Inverter diagnostics
LED
RDY
GREEN - on
GREEN - slow
RED - on
RED - slow
RED - fast
RED - fast
RED - fast
Communication diagnostics via RS485
LED BF Explanation
OFF Receive process data
RED - slow Bus active - no process data
RED - fast No bus activity
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
Diagnostics of the safety functions
SAFE LED Meaning
YELLOW - on One or more safety functions are enabled, but not active.
YELLOW - slow One or more safety functions are active; no safety function faults have
occurred.
YELLOW - rapid The inverter has detected a safety function fault and initiated a stop
response.
Explanation
BF
--- Ready for operation (no active fault)
--- Commissioning or reset to factory settings
OFF Firmware update in progress
RED - slow Firmware Update is complete, Power ON Reset
required
--- General fault
RED - on Fault during firmware update
RED - fast Incompatible firmware / incorrect memory card
Safety Integrated Function Manual, SINAMICS G120
Function Manual, 07/2010, FW 4.3.2, A5E03052391B AA