Reason
1. When the video recorder is using event recording, it only records video when event occurs.
Hence the video may not be connuous.
2. Excepon occurs, such as the device oine, HDD error, record excepon, network camera
oine, etc.
Soluon
1. Ensure the recording type is connuous recording.
2. Go to Maintenance → Log Info . Search the log le during the video me period. See if there
are unexpected events, such as HDD error, record
excepon, etc.
16.4.7 Why is the video recorder
nofying the network is unreachable when a
network camera is being added?
Reason
1. The IP address or port of network camera is incorrect.
2. The network between video recorder and camera is disconnected.
Soluon
1. Go to Camera → Camera → IP Camera . Click of the selected camera, and edit its IP address
and port. Ensure the video recorder and camera is using the same port.
2. Go to Maintenance → Network →
Detecon . Enter the IP address of network camera in
Desnaon Address, and click Test to see if the network is reachable.
16.4.8 Why is the IP address of network camera being changed
automacally?
Reason
When network camera and video recorder are using the same switch but in dierent subnets, the
video recorder will change the IP address of network camera to the same subnet as itself.
Soluon
When adding camera, click Custom Add to add camera.
16.4.9 Why is the video recorder
nofying IP conict?
Reason
The video recorder uses the same IP address as other devices.
Network Video Recorder User Manual
189