Dahua Smart 1U User Manual page 276

Some program versions may have this problem. Please upgrade your system.
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19. Alarm function is null.
There are following possibilities:
Alarm setup is not correct.
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Alarm cable connection is not correct.
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Alarm input signal is not correct.
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There are two loops connect to one alarm device.
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20. Remote control does not work.
There are following possibilities:
Remote control address is not correct.
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Distance is too far or control angle is too small.
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Remote control battery power is low.
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Remote control is damaged or DVR front panel is damaged.
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21. Record storage period is not enough.
There are following possibilities:
Camera quality is too low. Lens is dirty. Camera is installed against the light. Camera
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aperture setup is not correct.
HDD capacity is not enough.
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HDD is damaged.
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22. Cannot playback the downloaded file.
There are following possibilities:
There is no media player.
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No DXB8.1 or higher graphic acceleration software.
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There is no DivX503Bundle.exe control when you play the file transformed to AVI via
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media player.
No DivX503Bundle.exe or ffdshow-2004 1012 .exe in Windows XP OS.
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23. Forgot local menu operation password or network password
Please contact your local service engineer or our sales person for help. We can guide you to
solve this problem.
24. When I login via HTTPS, a dialogue says the certificate for this website is for other address.
Please create server certificate again.
25. When I login via HTTPS, a dialogue says the certificate is not trusted.
Please download root certificate again.
26. When I login via HTTPS, a dialogue says the certificate has expired or is not valid yet.
Please make sure your PC time is the same as the device time.
27. I connect the general analog camera to the device, there is no video output.
There are following possibilities:
Check camera power supplying, data cable connection and other items.
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This series device does not support the analog camera of all brands. Please make sure the
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device supports general standard definition analog camera.
28. I connect the standard definition analog camera or the coaxial camera to the device, there is
no video output.
There are following possibilities:
Check camera power supplying, or camera data cable connection.
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FAQ 266