Owners Manual

• Use Dell Storage Manager to edit the Storage Center settings and set the operation mode of the Storage Center to Maintenance

mode.

Steps

1 Shut down the storage controller using Dell Storage Manager.

2 Make sure that all cables plugged into the storage controller are labeled.

3 Disconnect the cables from the storage controller that was shut down.

4 Remove the storage controller from the chassis

CAUTION: To prevent a thermal shutdown of the storage system, the service bae must be installed within three minutes

of removing the storage controller.

5 Install the service bae into the empty slot in the chassis.

6 Verify that the battery LED on the storage controller is o. It might take a few seconds for the LED to turn o.

7 Remove the cover from the storage controller.

8 Lift up the handle from the battery backup unit. The battery slides away from the cage connector.

Figure 14. Remove the Battery Backup Unit

Battery backup unit 2 Battery cage

3 Cage battery connector

Install the Battery Backup Unit

Use this procedure to install the battery backup unit.

Steps

1 Place the battery backup unit over the battery cage in the storage controller.

2 Lower the handle until it is ush with the battery.

The battery slides into the cage connector.

Replacing Storage System Components