Corrective maintenance
9.2 Replacing inverter components
Converter with the control units CU240D-2
Operating Instructions, 04/2018, FW V4.9 SP10, A5E34262100B AF
289
6.
Reconnect the signal cables of the Control Unit.
7.
Switch on the line voltage again.
8.
The inverter loads the settings from the memory card.
9.
Check what the inverter reports after loading.
–
Alarm A01028:
The loaded settings are not compatible with the inverter.
Set p0971 = 1 to delete the alarm. Check the inverter settings. We recommend that
you recommission the drive.
–
Fault F01641:
Acknowledge the message.
Perform a reduced acceptance test.
Reduced acceptance test after function expansions (Page 163)
You have replaced the Control Unit and transferred the safety function settings from the
memory card to the new Control Unit.
❒
Replacing a Control Unit with data backup in Startdrive
Requirement
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.
The inverter signals faults after the download. Ignore these faults, as they will be
automatically acknowledged by the following steps.
10.Press the "Start safety commissioning" button.
11.Enter the password for the safety functions.
12.Confirm the prompt for saving your settings (copy RAM to ROM).