LED Color State Description
System Status
Green Green The system is ready
Flash green The system is starting up
Off The system is off
Amber Amber System fault detected (overheat, fan
error, power supply unit fails or is
plugged out, etc.)
Off No fault has occurred
System over
Heat
Off No fault has occurred
Fan Error
Amber Amber A fan error occurred
Off No fault has occurred
IN Port Status
Green Green Port linked
Flash green Data is being transmitted
Off No link activity
Amber Amber Port linked but without all four
lanes
Flash amber SAS cabling error
Off No fault has occurred
OUT Port Status Green Green Port linked
Flash green Data is being transmitted
Off No link activity
Amber Amber Port linked but without all four
lanes
Flash amber SAS cabling error
Off No fault has occurred
Hard Drive Red/Green
Flashes red The disk data is being accessed and a
read/write error occurred during the
process
Red A hard disk drive read/write error
occurred
Flashes
green
The disk data is being accessed
Green The hard disk drive is ready
Table 1: Description of RAID Expansion Enclosure LEDs