8.1
Operating states indicated on LEDs
Table 8-1
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 8-2
Basic states
RDY
Explanation
Temporary state after the supply voltage is switched on.
The inverter is free of faults
Commissioning or reset to factory settings
A fault is active
Firmware update is active
Inverter waits until the power supply is switched off and switched on again after a firmware
update
Alarms, faults and system messages
8.1 Operating states indicated on LEDs
SINAMICS G120C converter
350
Operating Instructions, 09/2017, FW V4.7 SP9, A5E34263257B AF