Dell PowerVault MD3220 - Manual (Page 214)

214 Management: Installing Array Components
RAID Controller Module Backup Battery Unit
Removing the RAID Controller Module Backup Battery Unit
CAUTION: Many repairs may only be done by a certified service technician. You
must only perform troubleshooting and simple repairs as authorized in your
product documentation, or as directed by the online or telephone service and
support team. Damage due to servicing that is not authorized by Dell is not covered
by your warranty. Read and follow the safety instructions that came with the
product.
1 Turn off the array and host server.
2 Disconnect all the cables connected to the array.
3 Remove the RAID controller module. See "Removing a RAID Controller
Module" on page 211.
4 Open the RAID controller module. See "Opening the RAID Controller
Module" on page 212.
5 Loosen the screw that secures the backup battery unit to the RAID
controller module. See Figure 15-10.
6 Slide the backup battery unit in the direction of the arrow and lift it out of
the RAID controller module. See Figure 15-10.
Figure 15-10. Removing and Installing the RAID Controller Module Backup Battery Unit
1 backup battery unit 2 screw
1
2
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