Siemens SINAMICS G120C Operating Instructions Manual page 315

Replacing an inverter with data backup on a memory card
Procedure
To replace the inverter, proceed as follows:
1. Disconnect the line voltage to the inverter and (if installed) the external 24 V supply or the
voltage for the digital outputs of the inverter.
2. Remove the connecting cables of the inverter.
3. Remove the defective inverter.
4. Install the new inverter.
5. Remove the memory card from the old inverter, and insert this into the new inverter.
6. Connect all of the cables to the inverter.
7. Reconnect the line voltage, and (if being used) the external 24 V supply or the voltage for
the digital outputs of the inverter.
8. The inverter loads the settings from the memory card.
9. After loading, check whether the inverter outputs Alarm A01028.
– Alarm A01028:
– No alarm A01028:
You have replaced the inverter and transferred the safety function settings from the memory
card to the new inverter.
SINAMICS G120C converter
Operating Instructions, 07/2015, FW V4.7 SP3, A5E34263257B AC
The loaded settings are not compatible with the inverter.
Clear the alarm with p0971 = 1 and recommission the drive.
Carry out a reducedacceptance test, see Section Reduced acceptance after
component replacement and firmware change (Page 332).
Corrective maintenance
8.1 Replacing inverter components
311