CBC ZR-DH1621NP - Manual (Page 38)

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Symptoms Resolution
No playback of audio with video. - Check all audio in/out connections to DVR
- Make sure audio is activated and configured
- Make sure audio is associated with an active video
channel
No firmware upgrade. - Check that new firmware version is correct
Firmware upgrade failed. - Check that USB FDD or ZIP Drive has correct file
Network firmware upgrade failed. - Check network connection; check Internet gateway
No network connectivity - Check network connection to LAN and DVR
No remote control over network - Make sure network configuration is correct
No time server function - Make sure all configured IP addresses are correct
No firmware upgrade over network - Make sure the network access password is correct
- Make sure network has gateway to the Internet
No time server function - Check network connection to LAN and DVR
- Make sure network configuration is correct
- Make sure time server setting correctly specified
- Make sure network has gateway to the Internet
- If private time server is not available try public servers
No E-mail Notification of alarm condition - Make sure that all alarm conditions are set properly
- Check network connection to LAN and DVR
- Make sure network configuration is correct
- Make sure that e-mail notification settings are correct
Lost Administrator password - Recover lost Admin Password using Master Password
Lost Web Access password - Recover lost Web Password by changing it locally
Lost Master password - Cannot recover lost Master Password Contact service