HP StoreOnce 4900 Service And Maintenance Manual page 38

Figure 17 Rear view of the disk enclosure LEDs
Item
1
2
3
4
5
6
7
8
38 LEDs on StoreOnce Backup systems
Description
Power On/Standby button and
system power LED
Internal Health LED
GSI LED*
UID button/LED (Drawer 2)
Power supply LED
System fan LED
I/O module LED
7-segment display*
Status
Green = On
Amber = Standby (auxiliary power present)
Off = Off
Green = System health is good.
Off = System is off.
Amber = Enclosure requires service check: I/O, fan and power
supply LEDs, and AC power cables to power supplies.
Off = Enclosure is functioning normally.
Blue = UID LED is enabled from the UID button.
Blue flashing = System is in hard drive locate mode or an enclosure
firmware update is in progress.
Off = UID LED is disabled.
Green = Power on and power supply functioning properly
Off = One or more of the following conditions exists:
System powered off
AC power unavailable
Power supply failed
Power supply exceeded current limit
Green = Normal operation
Amber flashing = Fault
Off = Fan unseated from connector or
Green = System activity
Amber = Fault
Off = Enclosure is powered off.
1 = SES overall warning