Avago Technologies 3ware SAS 9750-16i4e - Manual (Page 283)

Error and Notification Messages
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004D Battery temperature is too high
Event Type
Error
Cause
The battery pack temperature being monitored by the Battery Backup Unit is
too high.
The BBU is unable to backup the 3ware RAID controller.
Action
Check for sufficient airflow around the card. To increase airflow you can:
• Leave the PCI slots next to the controller empty
• Add fans to your computer case
• Move and bundle wiring that is blocking air circulation
Contact 3ware technical support at http://www.lsi.com/channel/ContactUs if
this problem is not due to environmental reasons or improper case cooling.
004E Battery capacity test started
Event Type
Information
Cause
A battery test was started through CLI or 3DM2.
Background Information
The test estimates how many hours the Battery Backup Unit will be able to
back up the 3ware RAID controller in case of a power failure.
This test performs a full battery charge/discharge/re-charge cycle and may
take up to 20 hours to complete. During this test the Battery Backup Unit
cannot backup the 3ware RAID controller. In addition, all units have their
write cache disabled until the test completes.