16
2.4 LED
The LED indicators of the NAS indicate the system status and information. When the NAS is
turned on, check the following items to make sure the system status is normal. Note that
the following LED information is applicable only when users have properly installed the
drive, and connected the NAS to the network and the power supply.
LED LED Status Description
System Status
Flashes green and
red alternately
every 0.5 sec
1. The hard 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 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.
5. An error occurs when accessing
(read/write) the disk data.
6. A bad sector is detected on the drive.
7. The NAS is in degraded read-only mode
(2 member 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
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. A hard disk drive is not formatted.
Green The NAS is ready.
Deep flashes of
orange
The NAS is in sleep mode.
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