USB One Touch Copy LED
Status Description
Flashes blue every 0.5
seconds
• A USB device connected to the USB One Touch Copy port is detected.
• A USB device connected to the front USB port is being removed from the
device.
• A USB device connected to the front USB port is being accessed.
Blue A USB device is detected in the front USB port.
O The NAS has nished copying data to or from the USB device connected to the
front USB port.
Audio alerts
Duration Frequency Description
Short beep (0.5 seconds) 1 • The NAS is starting up.
• When the reset button is pressed for 3 seconds,
the NAS resets congurations.
• When the reset button is pressed for 15 seconds,
the NAS resets congurations and reboots.
• The operating system was updated.
3 • The NAS data cannot be copied to the external
storage device connected to the USB One Touch
Copy port.
Long beep (1.5 seconds) 3 (every 5 minutes) • A system fan is not functioning.
• A fan module has been removed.
2 • A disk volume is about to reach its full capacity.
• A disk volume has reached its full capacity.
• The drives are in degraded mode.
• A drive is rebuilding.
• A drive is plugged in or out.
1 • The NAS was powered o by force shutdown
(hardware shutdown).
• The NAS was powered on successfully and is
ready.
TS-AI642 User Guide
Basic Operations 41
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