Item Description Status
5 Power supply LED 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
6 System fan LED Green = Normal operation
Amber flashing = Fault
Off = Fan unseated from connector or
7 I/O module LED Green = System activity
Amber = Fault
Off = Enclosure is powered off.
8 7-segment display* 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
11 = 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
9 UID button/LED (Drawer 1) 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.
StoreOnce Backup system LEDs 65
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