3Ware 9550SXU16MLB10 User Guide - Page 180
Aen 046h Aen_voltage_high_warn, Aen 047h Aen_voltage_below_operating, Aen 049h Aen_temperature_normal
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Troubleshooting: Problems and Solutions AEN 046h AEN_VOLTAGE_HIGH_WARN The Battery Backup Unit measures and evaluates the battery pack voltage on a continuous basis. If the voltage is above 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. AEN 047h AEN_VOLTAGE_BELOW_OPERATING The Battery Backup Unit measures and evaluates the battery pack voltage on a continuous basis. If the voltage is too low to operate, this AEN will be posted to the user. This indicates that the battery pack must be replaced. The Battery Backup Unit becomes not ready and is unable to backup the 3ware RAID controller. AEN 048h AEN_VOLTAGE_ABOVE_OPERATING 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. AEN 049h AEN_TEMPERATURE_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. AEN 04Ah AEN_TEMPERATURE_LOW_WARN 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. AEN 04Bh AEN_TEMPERATURE_HIGH_WARN 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. 174 3ware 9000 Series Serial ATA RAID Controller User Guide