HP ProLiant DL320e Gen8 v2-Server - Manual (Page 13)

Component identification 13
1 - Amber 2 - Green 3 - Green Interpretation
Flashing 1 Hz Flashing 1 Hz On A power error occurred during the previous or current
boot. Data may be corrupt.
Flashing 1 Hz On Off An overtemperature condition exists.
Flashing 2 Hz Flashing 2 Hz Off The capacitor pack is not attached.
Flashing 2 Hz Flashing 2 Hz On The capacitor 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.
Fan locations
The server has three system fans: two in the front of the chassis and one in the middle section. The server does
not support redundant fans; all three fans are required to boot the server.