3Ware 9550SX-4LP User Guide - Page 248
h Battery voltage is too high, 049h Battery temperature is normal
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Chapter 11. Troubleshooting 048h Battery voltage is too high The Battery Backup Unit measures and evaluates the battery pack voltage on a continuous basis. If the voltage is too high to operate, this AEN will be posted to the user. The Battery Backup Unit becomes not ready and is unable to backup the 3ware RAID controller. This indicates that the Battery Backup Unit must be replaced. 049h Battery temperature is normal The Battery Backup Unit measures and evaluates the battery pack temperature on a continuous basis. If the temperature falls outside the acceptable range then comes back within the acceptable range, this AEN will be posted to the host. 04Ah Battery temperature is low The Battery Backup Unit measures and evaluates the battery pack temperature on a continuous basis. If the temperature is below a warning threshold, this AEN will be posted to the user. When this event happens, the Battery Backup Unit is still able to backup the 3ware RAID controller but the user should replace the battery pack. 04Bh Battery temperature is high The Battery Backup Unit measures and evaluates the battery pack temperature on a continuous basis. If the temperature is above a warning threshold, this AEN will be posted to the user. The user should check that there is enough airflow around the Battery Backup Unit. When this event happens, the Battery Backup Unit is still able to backup the 3ware RAID controller but the user should replace the battery pack if the temperature warning persists. 04Ch Battery temperature is too low The Battery Backup Unit measures and evaluates the battery pack temperature on a continuous basis. If the temperature is too low to operate, this AEN will be posted to the user. When this event happens, the Battery Backup Unit becomes not ready and is unable to backup the 3ware RAID controller. The user must replace the battery pack. 04Dh Battery temperature is too high The Battery Backup Unit measures and evaluates the battery pack temperature on a continuous basis. If the temperature is too high to operate, this AEN will be posted to the user. The user should check that there is 238 3ware Serial ATA RAID Controller User Guide