Avago Technologies 3ware SAS 9750-16i4e - Manual (Page 299)

Error and Notification Messages
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8032 Enclosure power removed
Event Type
Warning.
Cause
Applies to 9750 and 9690SA controllers.
One of the enclosure power supplies has been removed from the enclosure or
a power supply is unplugged.
Action
Return or reconnect the power supply as soon as possible.
It is recommended to use an uninterruptible power supply (UPS) to protect
against power failures.
8033 Enclosure power added
Event Type
Information.
Cause
Applies to 9750 and 9690SA controllers.
A power supply has been added to the enclosure or an existing power supply
has been plugged in.
Action
None required.
8034 Enclosure power unknown
Event Type
Warning.
Cause
Applies to 9750 and 9690SA controllers.
There is a power supply in the enclosure, but it is not of a known type.