Removing the Power Stack Adapter
1. Disconnect all fiber-optic cables at the following terminals:
– X21-X66
– X70-X79
– X81
Ensure that the disconnection is made only directly on the connector and not on the fiber-
optic cable.
2. Disconnect all DRIVE-CLiQ cables directly at the connector on terminals X200-X202.
3. Use a slotted screwdriver to remove the green connectors for the control cables at the
following terminals:
– X210
– X221/222
– X231/232
– X241/242
4. Disconnect the connectors for the control cables from the terminal strip.
5. Remove the ground connection on the Power Stack Adapter chassis.
6. Use a Torx screwdriver to loosen the four fastening screws of the Power Stack Adapter.
Do not remove the screws.
7. Push the Power Stack Adapter upwards.
8. Remove the Power Stack Adapter.
Sending in the Power Stack Adapter
You can send in the defective Power Stack Adapter for a special examination. Further
information is contained in the note "Special examination of defective components (Page 169)".
Observe the following when you send in a component:
1. Close the fiber-optic cable connectors with blanking plugs.
2. Send the defective Power Stack Adapter only in the approved packaging.
Maintenance
9.7 Repairs
SINAMICS SM150 6SL3845-7NN46-7AA0
188 Operating Instructions 04/2017
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