2. Insert the cartridge magazines removed from the defective library into the same
positions in the replacement library enclosure.
3. Insert the cartridge magazines removed from the replacement library enclosure
into the same positions in the defective library to return to Dell.
4. Wait for inventory of the magazines to complete.
a. If inventory is successful:
1) The replacement library enclosure will complete with the
Ready/Activity LED (1 in Figure 10-17 on page 10-17) ON.
2) Power OFF the replacement library enclosure.

3) Proceed to “Swapping Library Controller Cards” on page 10-15.

b. If inventory is not successful:
1) The Error LED (4 in Figure 10-17 on page 10-17) will turn ON.
2) Power OFF the enclosure.
3) Contact Technical Support for further instructions.
Swapping Power Supplies
1. Unplug the power cord from the power source then from the replacement
library enclosure.
2. Swap the Power Supply in the defective library with the Power Supply in the
replacement library enclosure.
a. Remove the power supply from the defective library and from the
replacement library enclosure. To remove a power supply from a library:
1) Loosen the three blue captive thumbscrews on the power supply.
2) Pull on two of the thumbscrews to pull the unit away from the rear
panel of the library.
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Figure 10-22. Left magazine pulled out of a 4U library (facing front of library)
10-22 Dell PowerVault TL2000 Tape Library and TL4000 Tap e Library User's Guide