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.
\System Status|
Red
/
Green
|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).
\System Status|
Red
/
Green
|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).
\System Status|
Red
/
Green
|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.
\System Status|
Red
/
Green
|Green|
The NAS is ready.
\System Status|
Red
/
Green
|Off|
All the hard disk drives on the NAS are in standby mode.
\LAN|
Orange
|Orange|
The disk data is being accessed from the network.
\LAN|
Orange
|Flashes orange|
The NAS is connected to the network.
\10 GbE*|
Green
|Green|
The 10GbE network expansion card is installed.
\10 GbE*|
Green
|Green|
The 10GbE network expansion card is installed.
\10 GbE*|
Green
|Off|
No 10GbE network expansion card is installed.
\HDD|
Red
/
Green
|Flashes red|
The NAS is being accessed from the network.
\HDD|
Red
/
Green
|Red|
A hard drive read/write error occurs.
\HDD|
Red
/
Green
|Flashes green|
The disk data is being accessed.
\HDD|
Red
/
Green
|Green|
The hard drive can be accessed.
\USB|
Blue
|Flashes blue every 0.5 sec|
1)A USB device (connected to front USB port) is being detected.
2)A USB device (connected to front USB port) is being removed from the NAS.
3)The USB device (connected to the front USB port) is being accessed.
4)The data is being copied to or from the external USB or eSATA device.
\USB|Blue|Blue|
A front USB device is detected (after the device is mounted).
\USB|
Blue
|Off|
1)No USB device is detected.
2)The NAS has finished copying the data to or from the USB device connected to the front USB port of the NAS.
\eSATA**|Orange|Flashes|
The eSATA device is being accessed.
\eSATA**|
Orange
|Off|
No eSATA device can be detected.
*The 10 GbE network expansion function is only supported by the TS-470 Pro, TS-670 Pro, TS-870 Pro, TS-870U-RP, TS-879 Pro, TS-1079 Pro, TS-879U-RP, TS-1270U-RP, TS-1279U-RP, TS-EC879U-RP, and TS-EC1279U-RP.
**TS-210, TS-212, TS-219, TS-439U-SP/RP, TS-809 Pro, TS-809U-RP do not support eSATA port.