HP D2D HP StorageWorks HP D2D Backup System rack models service and maintenanc - Page 27
HP D2D4112 G1, Procedure
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Figure 22 BBWC battery and P400 card 1 BBWC 2 cable that connects the BBWC to the P400 controller HP D2D4112 G1 The P800 RAID controller is fitted with two batteries. The two BBWCs are aligned as a single unit in the battery clip. IMPORTANT: Refer to the HP Smart Arrays for HP ProLiant Servers User Guide for the latest, detailed instructions on replacing a P800 cache battery and carefully follow the Caution and Warning advice. Figure 23 BBWC battery and P800 card 1 BBWCs Procedure 1. Remove the cover from the HP D2D Backup System, as described in the appropriate HP ProLiant Maintenance and Service guide, and locate the battery (see previous section). 2. Look at the LEDs on the battery. If LED 3 is steady, the battery must be replaced. It may also need replacing if it is blinking amber and there is no activity on LED 4. Replacing the battery/flash capacitor module 27
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