Operating States Indicated On Leds - Siemens SINAMICS G120 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
348
Inverter diagnostics
LED
RDY
GREEN - on Not relevant
GREEN - slow
RED - on YELLOW - variable
RED - slow
RED - fast Not relevant
RED - fast
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
Operating Instructions, 04/2015, FW V4.7 SP3, A5E34257946B AB
Converter with CU230P-2 Control Units