Operating States Indicated On Leds - Siemens SINAMICS G120C Operating Instructions Manual

Alarms, faults and system messages

9.1 Operating states indicated on LEDs

9.1 Operating states indicated on LEDs
The LED RDY (Ready) is temporarily orange after the power supply voltage is switched-on.
As soon as the color of the LED RDY changes to either red or green, the LEDs signal the
inverter state.
Signal states of the LED
In addition to the signal states "on" and "off" there are two different flashing frequencies:
Table 9- 1
Table 9- 2
Table 9- 3
336
Inverter diagnostics
LED
RDY
GREEN - on Not relevant
GREEN - slow
RED - on YELLOW - variable
RED - slow
RED - fast Not relevant
RED - fast
Diagnostics of the safety functions
SAFE LED
YELLOW - on
YELLOW - slow
YELLOW - rapid
Communication diagnostics via PROFINET
LNK LED Explanation
GREEN - on The communication via PROFINET is in order.
GREEN - slow Device naming is active.
Off No communication via PROFINET.
Explanation
BF
There is presently no fault
Commissioning or reset to factory settings
Firmware update in progress
frequency
RED - slow Inverter waits until the power supply is switched off
and switched on again after a firmware update
There is presently a fault
RED - fast Incorrect memory card or unsuccessful firmware
update
Meaning
One or more safety functions are enabled, but not active.
One or more safety functions are active; no safety function faults have
occurred.
The converter has detected a safety function fault and initiated a STOP
response.
Operating Instructions, 07/2015, FW V4.7 SP3, A5E34263257B AC
SINAMICS G120C converter