Troubleshooting
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• Make sure that the NVR is configured to use the correct video standard (NTSC or PAL).
See Configuring General System Settings on page 115.
Problem: Cannot search local records.
Check that recording is enabled. See Configuring the General Recording Settings on page 38.
Problem: There is no audio when viewing live video.
• Check the audio input and output connections on the NVR.
• Increase the volume on the headphones/speakers.
Problem: There is no audio when playing back video.
Make sure that the audio is enabled in the playback interface and the volume is turned up.
Problem: The time display is incorrect.
• Make sure that the date and time settings are configured correctly. See Configuring Date
and Time Settings on page 116.
• Replace the battery on the main board.
Problem: The NVR cannot control PTZ functions.
• Check that the PTZ camera is connected correctly to the network.
• Make sure that the NVR is configured correctly for PTZ operation. The protocol and
address settings of the NVR must match the protocol and address settings of the PTZ
camera. See Adding a Camera on page 53 for the camera settings. See Configuring TCP/IP
Settings on page 62 for NVR settings.
Problem: Motion detection does not work.
• Increase the motion detection sensitivity. It may be set too low.
To set the motion detection sensitivity, see Configuring Motion Detection Settings on page 77.
• Make sure that the motion detection schedule is configured correctly.
To setup up the Motion detection schedule, see To set up motion detection periods on page
81.
• Make sure that the motion detection zone setup is configured correctly.
To set up motion detection zone, see Configuring Motion Detection Settings on page 77.
Problem: The network connection is unstable.
Check that there is no IP address or MAC address conflict.
Problem: There is a USB backup error.
Check that the USB storage device has sufficient space available.
Problem: Alarm signal cannot be disarmed.
• Make sure that the alarm settings are correctly configured.
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