Troubleshoot/NVR/
Contents
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.
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.
