emir6879 0 Posted July 14, 2010 hi all i bought a avtech security system for my shop it has worked fine till know , not sure what has gone wrong there is no picture the screen has gone blue & on the screen it is saying vloss can any one help me . oh the system is a 4 channel h.264 network dvr cheers Share this post Link to post Share on other sites
rory 0 Posted July 14, 2010 Hi, check the camera power supply. Share this post Link to post Share on other sites
simple 0 Posted July 22, 2010 Hi, check the camera power supply. yeah your cameras will pull at least 1 amp each i run 3 cameras on mine and use a 5 amp power supply Share this post Link to post Share on other sites
