HP Surestore Disk Array FC60 HP SureStore E Disk Array FC60 Service Manual (A5 - Page 262
Table 35, Master Troubleshooting Table on Units BBU. See
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Introduction This section describes procedures to troubleshoot the controller enclosure Battery Backup Units (BBU). See Figure 84. For troubleshooting procedures. refer to Table 35 or the "Master Troubleshooting Table" on page 275. Figure 84 Battery Backup Unit (BBU) Servicing Notes The BBU should be replaced every two years, or whenever it fails to hold a charge. The service label on the BBU provides a blank line for recording the date on which the battery was serviced. Check this label to determine when to replace the BBU. If you replace the BBU and still experience battery-related problems such as a loss of battery power to the controllers or batteries not charging properly, the controller enclosure may have a defective battery harness, battery connection on the controller enclosure midplane, power harnesses, or power interface board. Under these circumstances, try replacing the battery harness. 262 Controller Enclosure Troubleshooting