• Check whether LED light isn’t powered on.User manual VES-B202/B205
V 1.
• Upgrade Door station and Indoor monitor the latest firmware and try again.
• Check whether there's another NVR VLC monitoring door station.0 (04/2026) Page 31
11 TROUBLESHOOTING
The device cannot start power off automatically.
• Long-term use leads high temperature.
Door station can’t make the call indoor monitor.
• Make sure the Building no. yes, disable and make the video call
again.
• Check whether both 12VDC power adaptor and PoE switch can’t power on?
• Change another 12VDC power adaptor PoE switch try again. and Unit no. and Unit no.
The temperature device too high. Main indoor monitor).
• Click 'Search' icon the Indoor monitor's user interface (Settings/Setup Doors), find the Door station and
save. are the same Door station and Indoor monitor.
• Check the volume settings both the Indoor monitor and Door station not mute and try increasing the
volume.
• Make sure the indoor monitor Device no.
• Check whether Indoor monitor enabled DND (Do Not Disturb) feature.
Indoor monitor can't receive the call but can make the outgoing call. Please refer the multimedia setting for details.
Multimedia files cannot played normally.
.
• Check whether VLC can monitor the Door station.
• Try re-plug the FFC cable the camera Door station.
• Make sure the Door station and Indoor monitor are the same network segment. normal and will not affect the device’s use life and performance. are the same Door station and Indoor monitor.
• Make sure the Door station and Indoor monitor are the same network segment.
The Indoor Monitor cannot monitor the Door Station..
• Make sure another user isn’t using the system, else you can use once he/she finishes the operation.
No audio when Door station making the call Indoor monitor.
No video when Door station making the call Indoor monitor
• Reduce the resolution Door station check again.
• Make sure the Building no.
• Check whether the system supports the file format.
• Use another Door station Indoor monitor make the call check whether there's audio.
• Upgrade Door station and Indoor monitor the latest firmware