Replacing The Power Stack Adapter - Siemens Sinamics GM150 6SL3835-2LN44-2AA0 Operating And Installation Instructions

9.5.6

Replacing the Power Stack Adapter

Required tools
● Torx screwdriver Tx30
● 2.5 mm slotted screwdriver
Removing the Power Stack Adapter
1. Withdraw all fiber-optic cables
2. Withdraw all DRIVE-CLiQ cables directly at the connectors.
3. Use a slotted screwdriver to remove the connectors for the control cables.
4. Remove the ground connection on the Power Stack Adapter chassis.
5. Use a Torx screwdriver to loosen the four fastening screws of the Power Stack Adapter. Do
6. Push the Power Stack Adapter upwards.
7. Remove the Power Stack Adapter.
Installing the Power Stack Adapter
1. Execute the steps described in the section "Removing the Power Stack Adapter" in the
2. Tighten the fastening screws with a torque of 10 Nm.
3. Ensure the correct connection of the fiber-optic cables.
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 192)".
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.
SINAMICS GM150 6SL3835-2LN44-2AA0
Operating Instructions Rev.201910281250 MUSTER
Ensure that the disconnection is made only directly on the connector and not on the fiber-
optic cable.
Disconnect the connectors for the control cables from the terminal strip.
not remove the screws.
reverse order.
NOTICE
Damage to the power semiconductors
The power semiconductors can be damaged if you replace the fiber-optic cable at the
Power Stack Adapter.
Observe the connector assignment marked on the fiber-optic cables.
Maintenance
9.5 Repair
209