LEDs
LEDs indicate the system status and related information when the device is powered on. The following
LED information applies only when the drive is correctly installed and when the device is connected to the
network or to a host.
For details on the location of the LEDs, see Components .
LED Status Description
System Status Flashes green and red
alternately every 0.5 seconds
• The drive is being formatted.
• The device is being initialized.
• The operating system is being updated.
• RAID rebuilding is in progress.
• Online RAID Capacity Expansion is in progress.
• Online RAID Level Migration is in progress.
• The rmware is being updated.
Important
When updating the rmware, do not remove
the power cord or USB cable, and do not
force-exit the application.
Red • The drive is invalid.
• The disk volume has reached its full capacity.
• The disk volume is about to reach its full capacity.
• The system fan is not functioning.
• An error occurred when accessing (read/write) the data.
• A bad sector is detected on the hard drive.
• The device is in degraded read-only mode (two member
drives failed in RAID 5 or RAID 6 but the data can still be
read).
• A hardware self-test error occurred.
Flashes red every 0.5 seconds The device is in degraded mode (one member drive failed in
RAID 1, RAID 5, or RAID 6).
Flashes green every 0.5
seconds
• The device is starting up.
• The device is not congured.
• A drive is not formatted.
Green The device is ready.
O • All drives are in standby mode.
• The device is powered o.
TS-i410X User Guide
Basic Operations 22