Template:Test

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.