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1. If the Zosi cameras and DVR worked well before, but you got "Video Loss" on one channel or some channels.
A. Please check whether the infrared lights of the camera were lit? (You can use your hands to cover the camera's lens to check)
If the infrared lights of the camera were not lit, please exchange another working camera's power supply and 1 to 4 power splitter cable to test.
B. If the infrared lights of the camera were lit, please exchange another working camera's video cable and DVR's video input port to test.
C. If you have tested everything, but still got "Video Loss", please contact our customer service team. And tell us your order number / buyer ID, if the product is under warranty, we would be happy to repair or exchange the product for you.
2. If you connected the Zosi camera to other brands DVRs, and get "Video Loss" on the channel. Please contact our customer service, and tell us your order number / buyer ID, and tell us the model number of your DVR, or you can send the link of your DVR to us, so that we can confirm whether our camera is compatible with your DVR.
3. If you connected the Zosi cameras to Zosi DVR, but got "Video Loss" on all channels.
A. Please check whether the cameras are compatible with the DVR?
B. Please check whether the cameras' power supply and 1 to 4 power splitter cable can work well? (You can use another working 12V power supply to connect the camera one by one to test.)
C. Please check whether the video cables and DVR's video input ports can work normally?
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