4. Remove the controller from the chassis.
a. On the left side of the controller, press the orange release tab to the right
just enough to release the handle; then, rotate the handle upward.
b. Slowly pull the handle away from the chassis to remove the controller from
the bay, as shown in Figure 43.
c. Place the controller on a level surface.
5. Remove the failed battery unit from the RAID controller.
a. Turn the blue captive fastener counterclockwise until the battery can move in
the direction that is indicated by the arrow.
b. Slide the battery unit out of the controller in the direction that is indicated by
the arrow.
c. Dispose of the battery as required by local ordinances or regulations. For
more information, see the IBM Systems Environmental Notices and User’s
Guide on the IBM Support DVD.
6. Unpack the new battery unit. Set the new battery unit on a dry, level surface.
Save all packing materials in case you have to return the new battery unit.
7. Insert the new battery unit into the controller chassis:
a. Slide the battery pack into the controller until the battery-pack connector
pins are firmly seated in the controller battery connector.
b. Tighten the captive fastener (clockwise) to secure the battery pack in place.
Handle
Guide pin
Notch
Figure 43. Removing and replacing a controller
Battery connector
Captive fastener
Memory cache battery
Figure 44. Removing a battery unit from the controller
Chapter 5. Replacing components 85
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