• Moving the top cover plate
• Moving the bottom cover plate
3. When replacing a base module, ensure that the damaged base module is returned with both a top and
bottom cover plate installed.
Replacing the module components and cables
Replace the module components by reversing the removal procedures. Align the components carefully in
the guide slots and only tighten thumbscrews with your fingers. If the thumbscrews cannot be tightened
easily, verify that the component is aligned properly.
Procedure
1. Replace the drive power board and module controller.
2. Replace the tape drives in the same locations.
Use a torque driver to tighten both blue captive thumbscrews on the drive sled to 6 inch pounds or
0.68 N m.
If a torque driver is not available, use a #2 Phillips screwdriver to tighten the thumbscrews until a low
initial threshold torque achieves a snug tight condition.
3. Replace the power supplies.
4. Reattach any SAS, FC, and Ethernet cables removed earlier.
5. Insert any USB devices removed earlier.
6. Reattach the AC power cords.
Verifying the base or expansion module replacement
Procedure
1. Check the overall library status from the RMI Status > Library Status screen.
2. Using the OCP or RMI, check for events; the event that indicated that the module was faulty should be
cleared.
3. If replacing the base module, upgrade the firmware if necessary.
To find the version of firmware installed on the library, check the upper left corner of the RMI or the
About screen on the OCP. Update the firmware from the RMI Maintenance > Firmware Upgrades >
System Firmware screen.
4. Verify that the library configuration is correct from the RMI Status > Partition Map > Configuration
Status screen.
If the library does not see a module, tape drive, or power supply, verify that all of the cables are
properly installed
If the library configuration is incorrect after replacing the base module, restore the previous settings
from the RMI Configuration > System > Save/Restore Configuration screen or the OCP
Configuration > Save/Restore > Restore Configuration File screen, or reconfigure the library.
144 Replacing the module components and cables
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