LED
10 Gigabit LAN
Left Green
(Rear)
Left off
Right Amber
Right flashes Amber
Right off
Drive
Green
Flashes Green
Red
Flashes Red 5 times per
second
Off
Audio Alert
Duration
Short beep (0.5 seconds) 1
Long beep (1.5 seconds) 3 (every 5 minutes)
Status
The Ethernet port is connected to a 10 gigabit network.
The Ethernet port is not connected to a 10 gigabit network.
The Ethernet port is connected to a network.
Data is being transmitted on this Ethernet port.
The Ethernet port is not connected to a network.
The drive is ready.
The drive is being accessed.
The drive has encountered an error.
The drive is being located in the operating system.
No drive is detected.
Frequency
3
2
1
Description
Description
• The NAS is starting up.
• The NAS is shutting down (software shutdown).
• The user pressed the Reset button.
• The operating system was updated.
The user tried to copy the NAS data to the external
storage device from the front USB port, but the data
cannot be copied.
The system fan is not functioning.
• 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.
• The NAS was powered off by force shutdown
(hardware shutdown).
• The NAS was powered on successfully and is
ready.
TS-431XeU User Guide
Basic Operations
27