Chapter 4 Battery FRUs 4-5
4.4 Replacing a Battery
This section explains how to remove an existing battery and install a new battery.
The following procedures are guidelines for replacing batteries in SCSI and FC
arrays.
4.4.1 Replacing a SCSI Battery
To replace a SCSI array battery, perform the following steps (refer to FIGURE 4-3
through FIGURE 4-7).
1. Turn the thumbscrews on the left and right sides of the controller module that
contains the battery counterclockwise until the thumbscrews are disengaged from
the chassis.
2. Hold the thumbscrews and pull out the battery module to check the battery date.
3. To replace the battery, pull out the controller module completely.
4. Disconnect the battery connector from the controller module.
5. With a screwdriver, remove the battery screws to release the battery from the
battery module.
6. Lift out the battery.
7. Insert the new battery, and attach the battery connector to the controller module.
8. With a screwdriver, attach the battery to the controller with the screws that you
removed in Step 5.
9. Reinsert the controller module into the array, and tighten the thumbscrews firmly
to secure the module.
Caution – If you plan to replace the batteries in both controllers, you must complete
all the preceding steps for the first controller and battery before performing the steps
for the second controller; otherwise, the array disconnects and goes offline.
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