Troubleshoot/NVR/

Video Loss from NVR

• Disconnect, reconnect power and video cables to NVR.
• Change power supply connected to NVR.
• Disconnect HDD and boot NVR. If NVR boots without HDD, then HDD has failed or is not compatible.
• Connect a 1080P display to the NVR. If image is displayed, initial display is not compatible with NVR.
• If connected via HDMI, ensure that the display is 1080P capable.

NVR does not boot

• Disconnect, reconnect power and video cables to NVR.
• Disconnect HDD and boot NVR. If NVR boots without HDD, then HDD has failed or is not compatible.

NVR randomly rebooting

• Disconnect HDD and boot NVR. If NVR boots without HDD, then HDD has failed or is not compatible.

Record Schedule

Unable to Playback Recordings

• Check that HDD is detected by NVR
• "Record Status" is set to, "Enabled" on all channels
• Check, "Record Schedule" and ensure your desired recording is enabled; Motion, Schedule, or Alarm Recording.
• Recorded file has been overwritten

Video Feed Distorted When Playing Back Video

• Video quality is set too low. Check Encoding
• Program read error, bit data is too small. Reboot the NVR.
• HDD malfunction. Try formatting the HDD
• NVR hardware malfunction. Flash the latest compatible firmware for your system.

Time and Date is Incorrect

• Ensure Date and Time are set properly in the NVR. See: Date and Time
• Internal battery voltage too low. Replace internal battery.
• Crystal is broken.

NVR Cannot Control PTZ

Please Note: IP and HD-CVI PTZs do not require an RS458 cable. Controls are sent over the RG59 or CAT5 cable.

• 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 from Web Browser

• 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.

• Network is not stable.
• IP address conflict.
• MAC address conflict.
• PC or device network card is not good.

Burn error /USB back error.

• Burner and NVR are in the same data cable.
• System uses too much CPU resources. Please stop record first and then begin backup.
• Data amount exceeds backup device capacity. It may result in burner error.
• Backup device is not compatible.
• Backup device is damaged.

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 or 1080P capable.

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
• IPC IP is in the blacklist.
• 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.

My admin account has been changed and I can not log in.

Use telnet and then input the following command:

1. cd /mnt/mtd/Config/ 
2. rm -rf group 
3. rm -rf password 
4. Reboot the device to restore the default password.

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.