HP ProLiant SL4500 Series Setup and Installation Guide

Component and LED identification 12
LED behavior Definition
Solid amber
Both of the following conditions apply:
Drive is failed.
Drive is not selected.
Flashing amber at 1Hz
50% duty cycle
All of the following conditions apply:
Drive is in a predictive failure state.
Drive is not failed.
Drive is not selected.
Alternating amber and
green at 1 Hz 50% duty
cycle
Drive is failed.
Drive is in a predictive failure state.
In either instance, the drive is selected.
Hard drive health LEDs
LED behavior Definition
Off
System is off.
Green
Storage system health is good.
Amber
System requires service or a fault is detected. Check hard drives, hard drive
backplane, RAID controller, and system fans.
UID LEDs
LED behavior Definition
Off
Normal operating mode
Blue flashing
Hard drive segment is selected; hard drive is in locate mode. Firmware is being
flashed.
Node front panel LEDs and buttons
Item Description Status
1
UID LED button Blue = Activated
Flashing blue = System is being remotely managed or firmware
update is in progress.
Off = Deactivated
2
Node release button