Siemens Sinamics CU240D-2 DP Operating Instructions Manual page 294

Corrective maintenance
9.2 Replacing inverter components
7. Switch on the line voltage again.
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 successfully replaced the Control Unit.
❒
Replacing a Control Unit with data backup in Startdrive
Precondition
You have backed up the actual settings of the Control Unit to be replaced to a PC using
Startdrive.
Procedure
1. Switch off the line voltage to the Power Module and (if installed) the external 24 V supply
or the voltage for the digital outputs of the Control Unit.
2. Remove the signal cables of the Control Unit.
3. Remove the defective Control Unit.
4. Mount the new Control Unit on the Power Module.
5. Reconnect the signal cables of the Control Unit.
6. Switch on the line voltage again.
7. Open the right project for the drive in the PC.
8. Select "Load to device".
9. Connect Startdrive online with the drive.
10.Confirm the prompt for saving your settings (copy RAM to ROM).
11.Disconnect the online connection.
You have replaced the Control Unit and transferred the settings from the PC to the new
Control Unit.
❒
Replacing the Control Unit with data backup in the operator panel
Precondition
You have backed up the actual settings of the Control Unit to be replaced to an operator
panel.
292
The loaded settings are not compatible with the inverter.
Clear the alarm with p0971 = 1 and recommission the drive.
The inverter accepts the settings that have been loaded.
Converter with the control units CU240D-2
Operating Instructions, 04/2018, FW V4.9 SP10, A5E34262100B AF