Siemens SINAMICS G120C Operating Instructions Manual page 316

Corrective maintenance
8.1 Replacing inverter components
Replacing an inverter with data backup in STARTER
Requirement
You have backed up the actual settings of the inverter to be replaced to a PC using
STARTER.
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. Connect all of the cables to the inverter.
6. Reconnect the line voltage, and (if being used) the external 24 V supply or the voltage for
the digital outputs of the inverter.
7. Open the right project for the drive in STARTER.
8. Go online and transfer the settings from the PC to the inverter by pressing the
The inverter signals faults after the download. Ignore these faults, as they will be
automatically acknowledged by the following steps.
9. In STARTER, select the screen form for the safety functions.
10.Select the "Change settings" button.
11.Select the "Activate settings" button.
12.Save your settings (copy RAM to ROM).
13.Switch off the inverter power supply.
14.Wait until all LEDs on the inverter are dark.
15.Switch on the inverter supply voltage again.
16.Carry out a reducedacceptance test, see Section Reduced acceptance after component
replacement and firmware change (Page 332).
You have replaced the inverter and transferred the safety function settings from the PC to
the new inverter.
312
Operating Instructions, 07/2015, FW V4.7 SP3, A5E34263257B AC
button.
SINAMICS G120C converter