Replacing The Power Module - Siemens SINAMICS G120 Operating Instructions Manual

Service and maintenance

8.3 Replacing the Power Module

8.3 Replacing the Power Module
Procedure for replacing a Power Module
● Disconnect the Power Module from the line supply.
● If being used, switch off the 24 V supply of the Control Unit.
Risk of electrical shock!
Hazardous voltage is still present for up to 5 minutes after the power supply has been
switched off.
It is not permissible to carry out any installation work before this time has expired!
● Remove the connecting cables of the Power Module.
● Remove the Control Unit from the Power Module.
● Replace the old Power Module with the new Power Module.
● Snap the Control Unit onto the new Power Module.
● Connect up the new Power Module using the connecting cables.
● Switch on the line supply and, if being used, the 24 V supply for the Control Unit.
● If necessary, recommission the drive (also see Overview of replacing converter
Acceptance test of the safety functions
If you have activated the safety functions in the inverter, after replacing the Power Module,
the following steps are required:
● Acknowledge the fault code issued by the inverter.
● Perform a reduced acceptance test. The necessary measures are described in the
244
DANGER
components (Page 241)).
Chapter Reduced acceptance test (only STO) (Page 233).
Inverter with CU240B-2 and CU240E-2 Control Units
Operating Instructions, 01/2011, FW 4.4, A5E02299792B AB