Siemens SINAMICS GM150 Operating And Installation Instructions page 217

Final checks
1. Make sure that all the screws have been tightened with the correct torques.
2. Make sure that all the connections are secure.
Note
Ventilating the deionized water circuit
After replacing the PowerCard, the deionized water circuit must be ventilated.
SINAMICS GM150 6SL3815-2LN41-4AA2
Operating Instructions 04/2017
Screw type
M6
M8
NOTICE
Incorrect electrical connections
After replacing the PowerCard, restore the fiber-optic connection to the IGBT
semiconductors and the auxiliary power supply to the gating modules. If these electrical
connections are not connected properly or are faulty, this can cause faults while the drive
is in operation and damage the device.
Once you have replaced the PowerCard, make sure that the electrical connections have
been carefully and securely restored.
Torque
6 Nm
10 Nm
Maintenance
9.7 Repairs
217