9.1
Operating states indicated on LEDs
Table 9-1
Explanation of symbols for the following tables
LED is ON
LED is OFF
V
LED flashes slowly
V
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
PROFINET fieldbus
LNK
Explanation
Communication via PROFINET is error-free
Device naming is active
No communication via PROFINET
Warnings, faults and system messages
9.1 Operating states indicated on LEDs
SINAMICS G120X converter
960
Operating Instructions, 06/2019, FW V1.01, A5E44751209B AC