User manual

17
2.1.2 Checking System Status
LED Display & System Status Overview
LED
Colour
LED Status
Description
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.