HP StorageWorks 600 Modular Disk System Maintenance and Service Guide (495106-001, September 2008)

Component identification 51
Rear panel LEDs and buttons
Item Description Status
1 Power On/Standby button
and system power LED
Green = On
Amber = Standby (auxiliary power
present)
Off = Off
2 Internal Health LED Green = System health is good.
Off = System is off.
3 GSI LED Amber = Enclosure requires service
check: I/O, fan and power supply
LEDs, and AC power cables to power
supplies.
Off = Enclosure is functioning normally.
4 UID button/LED (Drawer 2) Blue = UID LED is enabled from the UID
button.
Blue flashing = System is in hard drive
locate mode.
Off = UID LED is disabled.
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