QNAP TS-h987XU-RP - Leds

LEDs
LEDs indicate the system status and related information when the device is powered on. The following
LED information applies only when the drive is correctly installed and when the device is connected to the
network or to a host.
For details on the location of the LEDs, see Components.
System Status LED
Status Description
Flashes green and red
alternately every 0.5
seconds
• A 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.
• The rmware is being updated.
Important
When updating the rmware, do not remove the power cord
or USB cable, and do not force-exit the application.
Red • A drive is invalid.
• A shared folder has reached its full capacity.
• A shared folder is about to reach its full capacity.
• A 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).
Green The device is ready.
Flashes green every 0.5
seconds
• The device is not congured.
• A drive is not formatted.
O • All drives are in standby mode.
• The device is powered o.
TS-h987XU-RP User Guide
Basic Operations 44