NVR and DVR Troubleshoot


Troubleshoot/NVR/reserve

Network


Playback and Recording

PTZ

Audio

Video Loss and Image Issues

Functionality

Quick Reference

I use the VGA montior. If I use the multple-window mode, I see the video from the main stream or the sub stream.
After I login the Web, I can not find the remote interface to add the IPC.
After I set the NVR resolution as 1080P, my monitor can not display.
I can not connect to the IPC
The video is not fluent when I view in multiple-channel mode from the client-end.
There is no HDMI output.
The displayed video is not full in the monitor.
There is no video. The screen is in black.
Forgot local menu operation password or network password
Can not playback the downloaded file.
Record storage period is not enough.
Alarm function is null.
Alarm signal can not been disarmed.
Keyboard can not control NVR.
Network connection is not stable.
There is only mosaic no video when preview or playback video file remotely.
Unable to login to WebGUI
NVR can not control PTZ
Time display is not correct.
Video is distorted when searching local records.
I can not search local records.
Video loss from 1, multiple, or all channels.
ProblemSolution
NVR FAQ
NVR will not boot.Input power is not correct.
Power connection is not correct.
Power switch button is damaged.
Program upgrade is wrong.
HDD malfunction or something wrong with HDD ribbon.
Seagate DB35.1, DB35.2,SV35 or Maxtor 17-g has compatibility problem. Please upgrade to the latest version to solve this problem.
Front panel error.
Main board is damaged.
NVR often automatically shuts down or stops running.Input voltage is not stable or it is too low.
HDD malfunction or something wrong wit the ribbon.
Button power is not enough.
Front video signal is not stable.
Working environment is too harsh, too much dust.
Hardware malfunction.
System is unable to detect hard drive.HDD is broken.
HDD ribbon is damaged.
HDD cable connection is loose.
Main board SATA port is broken.
Program is not compatible. Please upgrade to the latest version.
Brightness is 0. Please restore factory default setup.
Check your screen saver.
NVR hardware malfunctions.
HDD ribbon is damaged.
HDD is broken.
Upgraded program is not compatible.
The recorded file has been overwritten.
Record function has been disabled
Video quality setup is too low.
Program read error, bit data is too small. There is mosaic in the full screen. Please restart the NVR to solve this problem.
HDD data ribbon error.
HDD malfunction.
NVR hardware malfunctions.
Setup is not correct
Battery contact is not correct or voltage is too low.
Crystal is broken.
Front panel PTZ error
PTZ decoder setup, connection or installation is not correct.
Cable connection is not correct.
PTZ setup is not correct.
PTZ decoder and NVR protocol is not compatible.
PTZ decoder and NVR address is not compatible.
When there are several decoders, please add 120 Ohm between the PTZ decoder A/B cables furthest end to delete the reverberation or impedance matching. Otherwise the PTZ control is not stable.
The distance is too far.
For Windows 98 or Windows ME user, please update your system to Windows 2000 sp4. Or you can install client-end software of lower version. Please note right now, our NVR is not compatible with Windows VISTA control.
ActiveX control has been disabled.
No dx8.1 or higher. Please upgrade display card driver.
Network connection error.
Network setup error.
Password or user name is invalid.
Client-end is not compatible with NVR program.
Network fluency is not good.
Client-end resources are limit.
Current user has no right to monitor.
IP address conflict.
MAC address conflict.
PC or device network card is not good.
NVR serial port setup is not correct
Address is not correct
When there are several switchers, power supply is not enough.
Transmission distance is too far.
Alarm setup is not correct.
Alarm output has been open manually.
Input device error or connection is not correct.
Some program versions may have this problem. Please upgrade your system.
Alarm setup is not correct.
Alarm cable connection is not correct.
Alarm input signal is not correct.
There are two loops connect to one alarm device.
Camera quality is too low. Lens is dirty. Camera is installed against the light. Camera aperture setup is not correct.
HDD capacity is not enough.
HDD is damaged.
There is no media player.
No DXB8.1 or higher graphic acceleration software.
There is no DivX503Bundle.exe control when you play the file transformed to AVI via media player.
No DivX503Bundle.exe or ffdshow-2004 1012 .exe in Windows XP OS.
Please contact your local service engineer or our sales person for help. We can guide you to solve this problem.
IPC IP address is not right.
IPC port number is not right.
IPC account (user name/password) is not right.
IPC is offline.
Please cheek current resolution setup. If the current setup is 1920*1080, then you need to set the monitor resolution as 1920*1080
Displayer is not in HDMI mode.
HDMI cable connection is not right.
The network bandwidth is not sufficient. The multiple-channel monitor operation needs at least 100M or higher.
Your PC resources are not sufficient. For 16-ch remote monitor operation, the PC shall have the following environment: Quad Core, 2G or higher memory, independent displayer, display card memory 256M or higher.
Please make sure the IPC has booted up.
IPC network connection is right and it is online
The device has connected to the too many IPC. It can not transmit the video.
Check the IPC port value and the time zone is the same as the NVR.
Make sure current network environment is stable.
Shut down the device and then reboot. When you reboot, please press the Fn button at the same time and then release after 5 seconds. You can restore NVR resolution to the default setup.
Please clear the Web controls and load again.
For 32-channel series product, the 9/16-window is using the sub stream.
For 4/8/16 series product, system is using the main stream no matter you are in what display mode.

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