Operating States Indicated On Leds - Siemens SINAMICS G120 Original Instructions Manual

Alarms, faults and system messages

11.1 Operating states indicated on LEDs

11.1 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 11- 1
Table 11- 2
Table 11- 3
YELLOW - variable
356
Inverter diagnostics
LED
RDY
GREEN - on
GREEN - slow
GREEN - fast
RED - slow
RED - fast
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.
Communication diagnostics via RS485
LED BF Explanation
On Receive process data
RED - slow Bus active - no process data
RED - fast No bus activity
Firmware update in progress
frequency
Explanation
BF
--- There is presently no fault
--- Commissioning or reset to factory settings
--- Inverter writes data to the memory card
--- 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, 11/2013, FW V4.6.6, A5E02430659B AG
Inverter with CU230P-2 Control Units