User manual

18
2.3 Check System Status (LED and Alarm Buzzer)
LE D Displa y & Sy s te m Sta tu s Ov e rv ie w
LE D
Co lour
LE D S ta tus
De s c riptio n
System
Status
Re d
/
Gree n
Flashes green and red
alternately every 0.5
sec
1) The HDD on the NAS is being formatted
2) The NAS is being initialised
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 HDD 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 HDD
7) The NAS is in degraded read-only mode (2
member HDD 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
HDD 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 HDD is not formatted