User`s manual

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5. Appendix
5.1 Troubleshooting
Troubleshooting if problems occur, verify the installation of the NVR with the instructions in this
manual and with other operating equipment. Isolate the problem to the specific piece of equipment in
the system and refer to the equipment manual for further information.
Problems/Symptoms
Possible Causes or Corrective Actions
The NVR cannot start or boot.
▪ Check AC power and power cord.
The NVR is powered up but do
not respond any operation.
▪ Turn the main power off and wait for 5 seconds. The LED
indicator on the front panel should be turned off.
▪ Turn the main power on again.
The camera cannot be accessed
from the NVR.
▪ Check all cabling and local network port connection.
▪ Check NVR network settings.
▪ Run ping test for IP camera in the local network.
The camera works locally, but
cannot be accessed from the
NVR.
▪ Check all cabling and internet network port connection.
▪ Check if there are firewall settings that need to be adjusted.
▪ Check if there are router settings that need to be configured.
▪ Check NVR network settings.
▪ Check PC network settings.
▪ Run ping test for the NVR’s IP in the internet network.
The camera web viewer cannot
be accessed through internet
port of the NVR from PC.
▪ Check NVR setting on network routing.
▪ Check PC network settings.
▪ Run ping test for the camera’s IP in the internet network.
Poor or intermittent network
connection.
▪ If using a network switch, check that the port on that device
uses the same setting for the network connection type
(speed/duplex).
The NVR has stopped recording
▪ If hard disk drive is full, you will either need to delete video or
set the system to the Overwrite Mode.
▪ Check recording schedule settings.
Not possible to log in.
▪ When HTTPS is enabled, ensure that the correct protocol (HTTP
or HTTPS) is used. When attempting to log in, you may need to
manually type in http or https in the browser's address bar.
Poor image quality.
▪ Check camera settings.
If you are experiencing any of
the following issues, you must
stop using the product and turn
the power off immediately, then
contact your vendor for
▪ Product is behaving strangely (example: unusual noises, smells,
or smoke is coming from the product.)
▪ The power cable connector has been damaged.
▪ Rain or other liquid has entered the product.
▪ You have spilled liquid into the product, or foreign material has