Users Guide
Removing the power supply
Figure 66. Power supplies
Table 42. Power supply components
1 Blue captive thumbscrews
2 White, lit if the AC power is connected.
3 AC power outlet
4 Green, lit if the module in turned on.
1. Locate the failed power supply on the rear of the library by the UID LEDs notication, and also by the
power supply LEDs. Either the green LED ( 4 ) is lit or both LEDs are unlit.
2. Unplug the AC power cord ( 3 ) from the power supply you are replacing.
3. Loosen the two blue captive thumbscrews ( 1 ) with your ngers on the power supply.
4. Using the thumbscrews (one on each side), slowly pull the power supply approximately 10 cm (4
inches) from the back of the module.
5. Use one hand to completely remove the power supply from the module, while the other hand is used
to support the bottom.
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Dell EMC ML3 Tape Library: User's Guide