HP ProLiant DL385 - Manual (Page 33)

Server component identification 33
Server status LED status Battery module status
Amber = On A short exists in the connection of one or
more of the three button cells within the
battery module.
Amber = Flashing An open exists in the circuit between the
positive and negative terminals of the battery
module.
Amber = Off Normal
Server is off and is in data
retention mode Amber = Flashing every
15 seconds User data held in the write cache is being
backed up.