Installing the NAS
Overview of LED indicators & syste m status
LED Colour LED status Description
Flashes green
and red
alternately
every 0 .5 sec
• The NAS hard disk is being formatted.
• The NAS is being initialised.
• The system firmw are is be ing update d.
• RAID restore in p rogress.
• Online RAID capacity expansion in progress.
• Online RAID level migration in progress
Red
• The hard disk is not working.
• The hard disk is full.
• The hard disk is almost full.
• The system fan is no t working.
• An error occurred while accessing hard disk
data (read/write).
• A faulty sector has been identified on the
hard disk.
• The N AS is in degraded write-protected
mode (two drives in a RAID 5 or RAID 6
configuration are faulty; the hard disk data
can still be read).
• Error during hardware self-test.
Flashes red
every 0 .5 sec.
The NAS is in degraded mode (one member
drive fails in RAID 1, RAID 5 or RAID 6
configuration).
Flashes green
every 0 .5 sec.
• The NAS is booting up.
• The NAS has not b een con figured.
• The hard disk has not been formatted.
Green The NAS is ready for use.
System status Red/Green
Off
All the hard disks in the NAS are in standby
mode.
Orange The NAS is connected to the network.
LAN Orange
Flashing
orange
The N AS is being accessed over the network.
Flashing red
A read/write error occurred whilst accessing
data on the hard disk.
Red
An error occurred whilst reading/writing to the
hard disk.
Flashing green Hard disk data is being accessed .
HDD
Red/Green
Green
The hard disk can be accessed.
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