![]() New Human Motion Detection Reduce 80% false alert caused by insects rain snow bush and vehicles! When you set up surveillance cameras it’s because you need to keep an eye on things.In stock ! Pre-order Only! Ask Code to Save $50 on Pre-order! Either internally in your organization or externally on your property. So, it can be a big deal if those cameras stop working. And it’s important to find out why and to find out quickly. We’ve put together a list of the most likely reasons why you might have a loss of video signal on your CCTV security cameras and systems and DVR camera systems. We also give you tips for where to look to fix those problems quickly and efficiently and get you up and running. Sometimes a CCTV system loses video feeds on one or more cameras, a camera gets a loose connection, goes black at night or gets no video with a camera showing a black screen. Sometimes the camera video flickers, shows a lined screen and monitor, or the DVR gets no picture or signal from the camera. As you can see there are a lot of potential issues that can surface in the operation of your system. Here are some common reasons for insufficient power supply: This is a situation where there is not enough power resulting in video signal loss, a camera going black or camera video flickering on and off. The cable is too long, or one cable is supplying too many cameras at once.Faulty power cables (old, damaged, degraded).Double-check all power connections, power splitters, cable connectors to exclude connection issues. ![]() Switch ports to make sure the DVR/NVR port is providing power to the cameras. ![]()
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