FAQ - Frequently Asked Questions - Knowledge Base
[NT2 U3.1] What does the LED indication mean?
Following is a list of the possible LED indications for the NT2 U3.1 and the meanings for each:
Status |
Power (LED) |
HDD A (LED) |
HDD B (LED) |
Idle |
Blue (solid) |
Green (solid) |
Green (solid) |
Computer is in sleep mode |
Blue (solid) |
Off |
Off |
RAID 0 during read/write |
Blue (solid) |
Green (blinking) |
Green (blinking) |
RAID 1 during read/write |
Blue (solid) |
Green (blinking) |
Green (blinking) |
SPAN HDD A during read/write |
Blue (solid) |
Green (blinking) |
Green (solid) |
SPAN HDD B during read/write |
Blue (solid) |
Green (solid) |
Green (blinking) |
Non-Raid HDD A during read/write |
Blue (solid) |
Green (blinking) |
Green (solid) |
Non-Raid HDD B during read/write |
Blue (solid) |
Green (solid) |
Green (blinking) |
HDD A Error |
Blue (solid) |
Red (solid) |
Green (solid) |
HDD B Error |
Blue (solid) |
Green (solid) |
Red (solid) |
HDD A Error - During rebuild |
Blue (solid) |
Green (breathing) + Red (solid) |
Green (breathing) |
HDD B Error - During rebuild |
Blue (solid) |
Green (breathing) |
Green (breathing) + Red (solid) |
Rebuild completed |
Blue (solid) |
Green (solid) |
Green (solid) |