Faq - Yunso 80XX Series H.264 User Manual

80XX Series H.264 Digital Video Recorder User Manual ..........................................................V1.0
If your problem is not in below, call our hotline and we will resolve any issues or
problems you may have.
1. Question: Why DVR can't work after starting it?
Answer:
Check the adaptor input
Check the on-off power line, does it well-connected?
Check the on-off power
Check the upgrade procedure whether it's wrong
Check the main board of DVR whether it's ok
2. Question: Why DVR will automatic reboot or stop after starting DVR several
minutes?
Answer:
Instability or low input voltage
Bad track hard drive or the line of hard drive is bad
On-off power supply is not enough
The front-end video signal instability
High temperature, too much dust, too bad the DVR operating environment
The main board is not well-connected with other board
The hardware of DVR is fault
3. Question: Why there is no output of single channel, multi channel or all
channel video?
Answer:
Please check the adaptor of camera whether it is well-connected
Please check the connect line for connecting video input and video output in
the back board of DVR
Please directly insert the video source into the display device, and check
whether the video source and display device aspect of the problem.
Check the brightness of the picture is 0, and bring it back to its original

7. FAQ

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