User manual
20
2.4 Check System Status
LED Display & System Status Overview
LED Colour LED Status Description
Flashes blue
every 0.5 sec
1) A USB device is detected
2) A USB device is being removed
from the NVR
3) The USB device connected to the
front USB port of the NVR is being
accessed
4) The NVR data is being copied to the
external USB device
Blue
The USB device connected to the front
USB port of the NVR is ready
USB Blue
Off
The NVR has finished copying the data
to the USB device connected to the
front USB port*
eSATA† Orange Flashes The eSATA device is being accessed
System
Status
Red/
Green
Flashes green
and red
alternately
every 0.5 sec
1) The hard drive on the NVR is being
formatted
2) The NVR is being initialised
3) The system firmware is being
updated
4) RAID rebuilding is in process
5) Online RAID Capacity Expansion is
in process
6) Online RAID Level Migration is in
process