HP StoreEver MSL2024, MSL4048, MSL8048, and MSL8096 Tape Libraries User and Service Guide (AK378-96059, December 2012)

Figure 136 Removing the old power supply
3. Position the new power supply on the alignment rails and slide it into the library until it is flush
with the back panel, as shown in Figure 137 (page 208). Tighten the three blue thumbscrews
to secure the power supply.
Figure 137 Installing the new power supply
4. Attach an AC power cord to the replaced power supply and plug into a power outlet. Power
on the tape library, if necessary.
5. Verify that the new power supply is operating properly. On a power supply with LEDs, the
blue and green LEDs on the power supply module should be lit and the yellow LED should be
off. See Figure 138 (page 208). Otherwise, verify that the power supply fan is running and
the OCP does not show a warning message about the power supply.The blue and green LEDs
on the power supply module should be lit and the yellow LED should be off. See
Figure 138 (page 208).
Figure 138 Power supply LEDs
AC power is connected.1. Blue
Fan failure. The fan is running too slow or is defective.2. Yellow
The power supply is producing good power for the library.3. Green
208 Upgrading and servicing the tape library