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Appendix
146
| Appendix
troubleshooting (FaQ)
Problem Action
The system does not operate at all with no active LED in the
front panel.
~
Make sure that the rear switch is turned on.
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Make sure that the system gets supplied with power properly.
~
Check the input voltage.
The unit continuously reboots.
~
Check if the system fan in a side panel of the unit or the CPU fan inside the
unit works properly.
If it fails, contact the retailer or the service center.
~
Disconnect the HDD cable and try to boot the system again. If the system
reboots successfully, install a new HDD and check if the system make
recording normally.
The front LED is lit, but nothing is displayed on the screen
yet.
~
Check if your monitor supports the 1080p 60Hz HDMI input.
~
Make sure that the monitor input source is set to HDMI.
~
If using the HDMI-to-DVI cable for the connection, ensure that the input source
is set to DVI.
~
Make sure that the system gets supplied with power properly.
~
Check the input voltage.
The sides of the video image are displayed incomplete.
~
If the monitor is over-scanning the video, the sides can be hidden.
If this is the case, switch the display mode of the monitor to the 1:1 pixel
matching mode. Then, you will view the video in full screen.
~
The 1:1 pixel matching is referred to differently depending on the monitor
manufacturer (for example, "JUST SCAN" for Samsung, "ZERO OVERSCAN"
for LG). For details, refer to the user manual of the monitor.
The camera is connected but no image is displayed.
~
Make sure that the IP camera is compatible with the NVR. For the compatibility
of the IP cameras, contact the retailer.
~
Ensure that a 48V PoE adaptor is connected to the rear of the unit.
~
Check if the camera supports PoE. If your camera is not compatible with the
PoE protocols, use a separate power source for the camera.
~
Check if the total power consumption of the cameras exceeds the rated
capacity of the 48V PoE adaptor. If the total exceeds the rated capacity, the
unit may not play the video or it may fail to operate.
If this is the case, use a separate power source for the camera.
It fails to connect to the web or mobile application.
~
Check if the network cable is properly connected to the WAN(UP Link) port of
the unit.
~
You must have set the port forwarding if using a router.
~
If you cannot get access with the DDNS address, use the IP address of the
NVR instead.
If the NVR is connected to the router, use the IP address of the NVR.
You can check the IP address of the router in < NETWORK STATUS > -
< EXTERNAL IP ADDRESS >.
I can access the web or mobile application but still no video
image is displayed.
~
You must have set the port forwarding if using a router.
~
This may happen when the communications provider or network administrator
has blocked the service port of the NVR.
Change the RTSP port and HTTP port numbers to different ones and set the
port forwarding again.
~
Try to access the web or mobile application using the new port numbers.