Troubleshoot/NVR/
Contents
Network
- DDNS Troubleshoot
- P2P Troubleshoot
- Unable to Log In from Browser
- Network Connection Not Stable
- Video is Choppy When Viewing From PC
- Expired Certificate
- Failed to Open Video! You Have No Right To Operate!
- Internet Explorer Troubleshoot-"Signature is Corrupt or Invalid"
Playback and Recording
- No Hard Drive Detected
- Motion Detection Not Recording Motion
- Unable to Playback Recorded Video
- Alarm Signal Cannot Be Disarmed
- Alarm Function is Null
- Record Storage Period is Too Short
- Image is Not Full Screen
- Errors Found in Log
PTZ
- PTZ Not Responding to Controls
- Unable to Control PTZ with Network Keyboard
- How to link PTZ camera when motion triggered on one of the other camera channel in recorder
Audio
- How to disable Audio recording on Dahua NVR or XVR
- How to disable audio on Dahua IP camera that connected to Dahua NVR
- No Audio from Live Feed
- No Audio from Playback
Video Loss and Image Issues
- Video Loss via HDMI
- Video Loss from 1 Camera
- Video Loss from Multiple Cameras
- Live Camera Feed is Blurry or Distorted
- Camera Feed is Blurry or Distorted During Playback
Functionality
- How to Set Up and Troubleshoot an IR Remote
- System Does Not Boot
- System is Rebooting
- Time and Date are Incorrect
- Burn Error / USB Backup Error
- How to Change Camera Order of Connected Cameras
- How to Change Camera Order of Connected Cameras Using Sequence
Quick Reference
| NVR FAQ | |
|---|---|
| Problem | Solution |
| 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. | |
| Video loss from 1, multiple, or all channels. | |
| 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. | |
| I can not search local records. | |
| HDD ribbon is damaged. | |
| HDD is broken. | |
| Upgraded program is not compatible. | |
| The recorded file has been overwritten. | |
| Record function has been disabled | |
| Video is distorted when searching local records. | |
| 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. | |
| Time display is not correct. | |
| Setup is not correct | |
| Battery contact is not correct or voltage is too low. | |
| Crystal is broken. | |
| NVR can not control PTZ | |
| 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. | |
| Unable to login to WebGUI | |
| 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. | |
| There is only mosaic no video when preview or playback video file remotely. | |
| Network fluency is not good. | |
| Client-end resources are limit. | |
| Current user has no right to monitor. | |
| Network connection is not stable. | |
| IP address conflict. | |
| MAC address conflict. | |
| PC or device network card is not good. | |
| Keyboard can not control NVR. | |
| 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 signal can not been disarmed. | |
| 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 function is null. | |
| 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. | |
| Record storage period is not enough. | |
| 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. | |
| Can not playback the downloaded file. | |
| 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. | |
| Forgot local menu operation password or network password | |
| Please contact your local service engineer or our sales person for help. We can guide you to solve this problem. | |
| There is no video. The screen is in black. | |
| IPC IP address is not right. | |
| IPC port number is not right. | |
| IPC account (user name/password) is not right. | |
| IPC is offline. | |
| The displayed video is not full in the monitor. | |
| Please cheek current resolution setup. If the current setup is 1920*1080, then you need to set the monitor resolution as 1920*1080 | |
| There is no HDMI output. | |
| Displayer is not in HDMI mode. | |
| HDMI cable connection is not right. | |
| The video is not fluent when I view in multiple-channel mode from the client-end. | |
| 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. | |
| I can not connect to the IPC | |
| 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. | |
| After I set the NVR resolution as 1080P, my monitor can not display. | |
| 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. | |
| After I login the Web, I can not find the remote interface to add the IPC. | |
| Please clear the Web controls and load again. | |
| I use the VGA montior. If I use the multple-window mode, I see the video from the main stream or the sub stream. | |
| 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. | |
