Dell PowerVault MD3220i Owner's Manual - Page 210
RAID Controller Module Backup Battery Unit
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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 should 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 207. 4 Open the RAID controller module. See "Opening the RAID Controller Module" on page 208. 5 Loosen the screw that secures the backup battery unit to the RAID controller module. See Figure 16-10. 6 Slide the backup battery unit in the direction of the arrow and lift it out of the RAID controller module. See Figure 16-10. Figure 16-10. Removing and Installing the RAID Controller Module Backup Battery Unit 1 2 210 Management: Installing Array Components
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