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)