LED Status Description
Drive Flashes red The drive is being accessed and a
read/write eror occurs during the
process.
Red A drive read/write error has
occurred.
Flashes green The data is being accessed.
Green The drive can be accessed.
Expansion
Note
The expansion unit LEDs
do not apply to 9-bay
models.
Orange • A SAS JBOD expansion unit
has been detected.
• A REXP expansion unit has
been detected.
Off No JBOD expansion unit has been
detected.
Audio Alert
Duration Frequency Description
Short beep (0.5 seconds) 1 • The NAS is starting up.
• The NAS is shutting down (software shutdown).
• The user pressed the Reset button.
• The operating system was updated.
3 The user tried to copy the NAS data to the external
storage device from the front USB port, but the data
cannot be copied.
Long beep (1.5 seconds) 3 (every 5 minutes) The system fan is not functioning.
2 • The disk volume is about to reach its full
capacity.
• The disk volume has reached its full capacity.
• The drives are in degraded mode.
• The user started the drive rebuilding process.
• A drive is plugged in or out.
1 • The NAS was powered off by force shutdown
(hardware shutdown).
• The NAS was powered on successfully and is
ready.
TS-x83XU User Guide
Basic Operations 40
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