HP StoreOnce 4900 Backup Installation And Configuration Manual page 106

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* If the GSI is amber, the system needs service. Activate the associated drawer UID button to view
any GSI error codes on the rear display.
106 Understanding LEDs
Description
System fan LED
I/O module LED
7-segment display*
UID button/LED (Drawer 1)
Status
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
2 = Temperature sensor warning
3 = Cooling fan warning
4 = Power supply warning
5 = Host GSI enabled
6 = I/O PIC upgrade needed
7 = Power supply PIC upgrade needed
8 = CPLD upgrade needed
9 = Standby heartbeat failure
10 = Remote I/O module heartbeat failure
1 1 = Enclosure thermal shutdown imminent
12 = Enclosure thermal shutdown occurred
13 = Enclosure management bus failure, false fan failures may occur
14 = Signal integrity errors detected
15 = Power supply PIC communications error
16 = Unsupported backplane detected
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.