Siemens SINAMICS G115D Operating Instructions Manual page 391

Unexpected machine motion caused by inappropriate/incorrect converter settings
Missing or incorrect converter settings can lead to unexpected operating states or machine
movements, e.g. a non-functioning EMERGENCY STOP or an incorrect direction of rotation. As
a consequence, machine components or devices can become damaged or death or injury may
result.
• If possible, back up the settings of the converter to be replaced by uploading them to an
• Transfer the settings of the converter to be replaced by downloading them to the new
• If you do not have a backup of the converter settings, commission the new converter as
• Check that the new converter works properly.
Procedure
1. Switch off all power supplies (line supply and external 24 V power supply) to the converter.
2. Remove the connecting cables of the converter.
3. Remove the defective converter and install the new converter.
4. Adjust the electromechanical potentiometers to make sure the scaling is set as same as the
replaced converter.
5. Connect all of the cables to the converter.
SINAMICS G115D Wall Mounted distributed drive
Operating Instructions, 07/2023, FW V4.7 SP14, A5E52808211A AA
WARNING
external storage medium, e.g. a memory card.
converter.
completely new converter.
WARNING
Electric shock as a result of a residual charge in power components
After the power supply has been switched off, it takes up to 5 min. until the capacitors in the
converter have discharged so that the residual charge is at a non-hazardous level.
• Check the voltage at the converter connections, before removing the connection cables.
AUTOHOTSPOT
NOTICE
Damage caused by interchanging the motor cables
The direction in which the motor rotates switches if you exchange the two phases of the
motor line. An incorrect direction of rotation can lead to damage in the machine or system.
• Connect the three phases of the motor lines in the right order.
Corrective maintenance
10.2 Replacing the converter
389