System Status LED
Status
Description
Flashes green and red
alternately every 0.5
seconds
• A 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 firmware is being updated.
Important
When updating the firmware, do not remove the power cord
or USB cable, and do not force-exit the application.
Red
• A drive is invalid.
• A shared folder has reached its full capacity.
• A shared folder is about to reach its full capacity.
• A system fan is not functioning.
• An error occurred when accessing (read/write) the data.
• A bad sector is detected on a 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).
Green
The device is ready.
Flashes green every 0.5
seconds
• The device is not configured.
• A drive is not formatted.
Off
• All drives are in standby mode.
• The device is powered off.
Drive LED
Status
Description
Flashes red
Data is being accessed, and during the process a drive read/write error
occurred.
Red
A drive read/write error occurred.
Flashes green
Data is being accessed.
Green
The drive is ready.
Off
No drive was detected.
TS-hx77AXU-RP User Guide
Basic Operations
45
