After talking on the phone a little I told him it sounded to be Power Supply Related and even all of them are not as good as some others...
So I will be adding 4 pictures on this Topic..
Why did he ask me well 9 months ago I spent 3 days at a local coffee house going over some ideas with him and he picked my Brain on what I thought would work for him.. Sadly he didn't take much of what I said as a whole and because of this he had to learn the hard way...
So he has a house that is 2 story, just over 3000 sqft with a "Barn that he wanted 2 cameras out at" so we talked and I offered to help him with the Install. But because of the time he had he thought he would do it alone on his time... So I gave him all the info he needed. Giving info about cables and different things for different types of systems. He went with HD over BNC and failed to buy a few things outside of the Package. Then found some other things on ebay to fill in what was missing rather then spend the money to do things right...
Lucky for him it he didn't burn his place down while that is the Extreme bad for doing it wrong even on Low voltage things that can happen...
So I get there, I take a look at his setup.. I have to admit it was in a nice cozy place on the bottom floor away from water and on a Rack that if his heated basement would have flooded it would take long time before ever reaching his DVR... However when I get there he tells me all the cameras are running at this time most times it is 2 in barn and the 2 in this garage area. Aka his Garage and the room above his garage that are working the rest keep going out. When I get there at the security closet the power supply he is using is VERY hot to the touch here is where it comes down to him not listening to me much. He was using the Power supply that came with the 8 cameras on the 16ch DVR. However the 2 out at the barn are running on their own power supply because he couldn't get it to work from the house supply and the ones in the garage he has them on different supplies as well.
So as I told him before when we were talking about setting this up over coffee he really needed some good Siamese Cables and needed a good Power Supply for his cameras.. While that would have been good enough to be honest for all the ones close to the house the ones in the barn would have been still to far away to get good enough power over the 300 foot lines. However if he would have used some better cameras that was dual voltage and didn't require so much power to run as it is the 300 line over 24vac would have been fine for cameras that are around 1/2 an amp... 2 in the garage at just an amp don't require this much power under his use and would work fine on a normal 12v Power Distribution center or AKA CCTV Power Supply... That is because he is running some IR Blasters in the 2 locations... So he did take my advise there....
So in Short here is the issue.. His camera runs were to long for the type of power he was running the cameras on while they were ok if he was not running them over distance and then on the cheap cables that came with the system are really designed for only the cameras where most of them are only 150 or 200ma of power anyway but he used them cables for 500 to 750ma cameras that he bought in addition to the ones that came with the system... Please note if you are going to run your own system understand that Pre made cables might not be the best for your application and to be honest it is best that you buy a good Siamese cable if doing HD over coax and put on your own ends and use a real power supply not a Wall power adapter that is normally only good for 1 or 2 cameras and the Splitters that come with these supplies are not good for 8 let alone 4 cameras...
Image of the wires from the Real Siamese cable I use in my system setup to the others that was in his
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This is from my system and this is from Siamese cable with 18awg power wires
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