121
Problem
Possible Cause and Solution
insufficient bandwidth.
Check network connection and network
configurations.
If it indicates incorrect username or
password, check that the camera password
set in the NVR is the one used to access the
camera's Web interface.
If it indicates denied access for weak
password, log in to the camera's Web
interface and set a strong password.
If it indicates insufficient bandwidth, delete
other online IP devices in the NVR.
The NVR displays live
video for some cameras
and
No Resource
for
others.
Set the camera to encode the sub stream,
and decrease its resolution to D1.
Set the NVR to use the sub stream first for
live view.
A camera goes online
and offline repeatedly.
Check if network connection is stable.
Upgrade the firmware for the camera and
the NVR. Contact your dealer for the latest
versions.
Live view is normal, but
the recording cannot be
found.
Check that a recording schedule has been
properly configured.
Check if the time and time zone configured
in the NVR are correct.
Check if the hard disk storing the recording
has been damaged.
Check if the desired recording has been
overwritten.
Motion detection is not
effective.
Check that motion detection is enabled,
and the motion detection area is properly
configured.
Check that detection sensitivity is properly
set.