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Warnings, faults and system messages
9.1 Operating states indicated on LEDs
9.1
Operating states indicated on LEDs
Table 9-1
Please contact Technical Support for LED states that are not described in the following.
Table 9-2
RDY
Table 9-3
LNK
960
Explanation of symbols for the following tables
LED is ON
LED is OFF
LED flashes slowly
LED flashes quickly
LED flashes with variable frequency
Basic states
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
PROFINET fieldbus
Explanation
Communication via PROFINET is error-free
Device naming is active
No communication via PROFINET
Operating Instructions, 06/2019, FW V1.01, A5E44751209B AC
SINAMICS G120X converter
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