User manual

17
2.3 Check System Status (LED and Alarm Buzzer)
LE D Displa y & Sy ste m S ta tus Ov erv ie w
LE D
Colour
LE D Sta tus
De s crip tio n
System
Status
Red/Green
Flashes green and red
alternately every 0.5 sec
1) The hard disk drive on the NAS is being
formatted.
2) The NAS is being initialized.
3) The system firmware is being updated.
4) RAID rebuilding is in process.
5) Online RAID capacity expansion is in
process.
6) Online RAID level migration is in process.
Red
1) The hard disk drive is invalid.
2) The disk volume has reached its full
capacity.
3) The disk volume is going to be full.
4) The system fan is out of function (TS-119
does not support smart fan).
5) An error occurs when accessing (read/write)
the disk data.
6) A bad sector is detected on the hard disk
drive.
7) The NAS is in degraded read-only mode (2
member hard drives fail in a RAID 5 or RAID
6 configuration, the disk data can still be
read).
8) (Hardware self-test error).
Flashes red every 0.5
sec
The NAS is in degraded mode (one member hard
drive fails in RAID 1, RAID 5 or RAID 6
configuration).
Flashes green every 0.5
sec
1) The NAS is starting up.
2) The NAS is not configured.
3) The hard disk drive is not formatted.