Dell PowerVault MD3420 - Manual (Page 26)

5. Turn on the array and the host server.
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.
4. Open the RAID controller module.
5. Loosen the screw that secures the backup battery unit to the RAID controller module.
6. Slide the backup battery unit and lift it out of the RAID controller module.
Figure 17. Removing and Installing the RAID Controller Module Backup Battery Unit
1. backup battery unit 2. screw
Installing 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. Align the backup battery unit with the slots on the RAID controller module.
2. Slide the backup battery unit toward the connector on the RAID controller module.
3. Tighten the screw that secures the backup battery unit to the RAID controller module.
4. Close the RAID controller module.
5. Replace the RAID controller module.
26