9.2 Operating states indicated on LEDs
Table 9-1 Explanation of symbols for the following tables
LED is ON
LED is OFF
LED flashes slowly
LED flashes quickly
LED flashes with variable frequency
Please contact Technical Support for LED states that are not described in the following.
Table 9-2 Basic states
RDY Explanation
Temporary state after the supply voltage is switched on.
The converter is free of faults
Commissioning or reset to factory settings
A fault is active
Firmware update is active
Converter waits until the power supply is switched off and switched on again after a firmware
update
Table 9-3 Fieldbuses via RS 485 interface
BF Explanation
Data exchange between the converter and control system is active
The fieldbus is active, however, the converter is not receiving any process data
RDY When LED RDY flashes simultaneously:
Converter waits until the power supply is switched off and switched on again after
a firmware update
Warnings, faults and system messages
9.2 Operating states indicated on LEDs
SINAMICS G120XA converter
744 Operating Instructions, 03/2019, FW V1.0, A5E44751205B AB