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Audio alert
Duration
Frequency
Description
Short beep (0.5 seconds) 1
• The NAS is starting up.
• The NAS is shutting down.
• When the reset button is pressed for 3 seconds,
the NAS resets configurations.
• When the reset button is pressed for 10 seconds,
the NAS resets configurations and reboots.
3
• The NAS data cannot be copied to the external
storage device connected to the USB One Touch
Copy port.
• The firmware was updated.
Long beep (1.5 seconds)
3 (every 5 minutes)
A system fan is not functioning.
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 off by force shutdown
(hardware shutdown).
• The NAS was powered on successfully and is
ready.
TS-1655 User Guide
Basic Operations
63