HP Smart Array P431 Controller - Manual (Page 8)

Component identification 8
1 - Amber 2 - Green 3 - Green Interpretation
Off Flashing once
every 2 seconds
Flashing once
every 2 seconds
The cache microcontroller is executing from within its
boot loader and receiving new flash code from the host
controller.
Off Flashing once
per second
Flashing once
per second
The cache module is powering up, and the battery or
capacitor pack* is charging.
Off Off Flashing once
per second The cache module is idle, and the battery or capacitor
pack is charging.
Off Off On The cache module is idle, and the battery or capacitor
pack is charged.
Off
On On The cache module is idle, the battery or capacitor pack
is charged, and the cache contains data that has not yet
been written to the drives.
Off Flashing once
per second
Off A backup of the DDR content on the cache module is in
progress.
Off On Off The current backup is complete with no errors.
Flashing once
per second
Flashing once
per second
Off The current backup failed, and data has been lost.
Flashing once
per second Flashing once
per second
On A power error occurred during the previous or current
boot. Data may be corrupt.
Flashing once
per second On Off An overtemperature condition exists.
Flashing twice
per second Flashing twice
per second
Off The battery or capacitor pack is not attached.
Flashing twice
per second Flashing twice
per second On The battery has been charging for 10 minutes, but has
not reached sufficient charge to perform a full backup.
On On Off The current backup is complete, but power fluctuations
occurred during the backup.
On On On The cache module microcontroller has failed.
*The 2 GiB cache module connects to a capacitor pack. The 4 GiB cache module connects to a battery pack.