LED
Status
Description
System status
Flashes green and red alternately
every 0.5 seconds
• The 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.
Green
The device is ready.
Flashes green every 0.5 seconds
• The device is not configured.
• A drive is not formatted.
Red
• The drive is invalid.
• The disk volume has reached
its full capacity.
• The disk volume is about to
reach its full capacity.
• The system fan is not
functioning.
• An error occurred when
accessing (read/write) the
data.
• A bad sector is detected on
the hard 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).
Off
• The device is powered off.
• All drives are in standby mode.
Front Panel OLED Display
The OLED display shows the status of the nodes and main components.
For details on the location of the OLED display, see
.
TDS-h2489FU User Guide
Product Overview
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