3Ware 9550SXU-12 User Guide - Page 302
Battery voltage is normal, Battery voltage is low, Battery voltage is high
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Troubleshooting The 3ware RAID controller checks the backup DCB, even when the primary DCB is OK. If an error is found, the controller will attempt to correct the error by reading the primary copy. If the primary copy is valid, the backup DCB will be rewritten to rectify the errors. Action AMCC recommends verifying the unit. See "Starting a Verify Manually" on page 165. 0044 Battery voltage is normal Event Type Information Cause The battery pack voltage being monitored by the Battery Backup Unit fell outside of the acceptable range and then came back within the acceptable range. Action None required 0045 Battery voltage is low Event Type Warning Cause The battery pack voltage being monitored by the Battery Backup Unit has fallen below the warning threshold. Action The Battery Backup Unit is presently still able to backup the 3ware RAID controller, but you should replace the battery pack if the warning continues. 0046 Battery voltage is high Event Type Warning 290 3ware SAS/SATA RAID Software User Guide, Version 9.5.1