Siemens SINAMICS GM150

Removing a defective diode module
1. Remove the screw connection ① between the line supply connection busbar and the
connection strap for the diode.
2. Release the screw connection ② of the PowerCard with the mounting bracket.
Note
The mounting bracket is not part of the diode module and must remain on the device.
Figure 9-8 Release the screw connection of the line supply connection busbar
3. Remove the screwed connection ③ between the DC-link busbars and the heat sinks.
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Figure 9-9 Release the screw connection of the DC link busbar
Maintenance
9.7 Repairs
SINAMICS GM150 6SL3815-2LN41-4AA2
212 Operating Instructions 04/2017