HP AA988A - Modular Smart Array Storage Controller SCSI User Manual page 23

Table 1-8 Drive Enclosure LEDs (Back) (Continued)
Location LED
Expansion
module
Expansion
module
Expansion SAS Out port
module status
Color
Fault/Service Amber
Required
OK Green
Green
State Description
On A fault has been detected or a service action
is required.
Blink Indicates a hardware-controlled power up or
a cache flush or restore error.
Off Expansion module is not OK.
On Expansion module is operating normally.
Blink System is booting.
Off The port is empty or the link is down.
On The port link is up and connected.
Chapter 1 System Components 23