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 120. 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 120.
Figure 120 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
Replacing the library controller (MSL4048, MSL8048, and
MSL8096)
This process applies to the MSL4048, MSL8048, and MSL8096 only. In this process you will:
• Record the Library settings.
• Power off the Library, unplug the power cord, and remove the Ethernet cable.
• Remove the old library controller.
• Install the new library controller.
• Verify the replacement.
CAUTION:
Parts can be damaged by electrostatic discharge. Keep parts in electrostatic containers until needed.
Ensure that you are properly grounded when touching static-sensitive components.
CAUTION:
This part is not hot-pluggable. You must power off the Library to replace the library controller.
To replace the library controller:
1. Record the Library's settings by writing down the values displayed in the OCP or the RMI.
2. Power off the Library from the front panel. Remove the Ethernet cable, if applicable.
HP StorageWorks MSL2024, MSL4048, MSL8048, and MSL8096 Tape Libraries User and service
guide 231
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