ankomen2 0 Posted February 4, 2022 Hello guys, I have done a lot of digging. My camera is DVR connected through CAT5. I get strange lines that don't differ from night or day mode. After I reset the power going to the camera everything gets fixed but after a day or so I still get the problem. I tried changing the 2 baluns, tried a new cable, and still nothing(the camera is mounted on a wooden strut). The camera gets a steady 13.7V. The other cameras don't have that problem. The problem gets progressively worse with time. The only other that I didn't try was changing the cameras. Share this post Link to post Share on other sites
tomcctv 187 Posted February 4, 2022 Hi can be a number of things type of balun how many pairs for balun how many pairs for power cable length 13v is fine but it’s amps you need to be looking at Share this post Link to post Share on other sites
ankomen2 0 Posted February 4, 2022 55 minutes ago, tomcctv said: Hi can be a number of things type of balun how many pairs for balun how many pairs for power cable length 13v is fine but it’s amps you need to be looking at The camera was working fine for like a year. I haven't changed anything before it broke. I tried the baluns on my other cameras and they are working. Share this post Link to post Share on other sites
tomcctv 187 Posted February 4, 2022 Ok but you still have a problem so if you need help it’s better to just answer the questions ….. we can’t see your system so questions are important Share this post Link to post Share on other sites
ankomen2 0 Posted February 4, 2022 The balun - HDCVI Balun, Model DH-PFM800-4MP 4 pairs of power including the DVR - I have 5 cameras (2 baluns per camera, one at the camera and one at the dvr) The cable is about 30 meters long. Ams 0.15-0.16 on the 20m setting. At first, it jumps to 1.5 then it settles. Share this post Link to post Share on other sites
tomcctv 187 Posted February 4, 2022 Ok so your baluns are on 24v 43 minutes ago, ankomen2 said: Ams 0.15-0.16 on the 20m setting. At first, it jumps to 1.5 then it settles. 0.15 0.16 is too low unless you did test under load what size is your power supply Share this post Link to post Share on other sites
ankomen2 0 Posted February 4, 2022 5A-4ch. The test from the previous reply was under load - 0.15 Share this post Link to post Share on other sites
tomcctv 187 Posted February 4, 2022 4 minutes ago, ankomen2 said: 5A-4ch. The test from the previous reply was under load - 0.15 And it’s 24v Share this post Link to post Share on other sites
tomcctv 187 Posted February 4, 2022 Ok …. So that balun is not needed it’s a balun and inverter and your no we’re near 300 to be using them if you only on 12V then I would swap out that balun for a standard HD balun and chop off your rj45 plugs Share this post Link to post Share on other sites
ankomen2 0 Posted February 4, 2022 What is the difference between that balun and a standard one(wouldn't my balun be a better quality)? What do you mean chop off. I have 4 more cameras that work great do I gotta do it to them two. Share this post Link to post Share on other sites
tomcctv 187 Posted February 4, 2022 8 minutes ago, ankomen2 said: What is the difference between that balun and a standard one(wouldn't my balun be a better quality)? What do you mean chop off. I have 4 more cameras that work great do I gotta do it to them two. No your baluns are not installed right the dahua long distance hence 24v with 12v output no need for that type of balun so cut off rj45 for that one camera makes it easier to run standard baluns Share this post Link to post Share on other sites
ankomen2 0 Posted February 4, 2022 I have another camera that is 50 meters long and I have those baluns. Why is she working ok? Help me understand I am kinda new to that. Share this post Link to post Share on other sites
tomcctv 187 Posted February 4, 2022 It can be anything from cable run environment….. baluns could be on way out and it sounds like your only using one 12v 5 amp power supply and this alone is all so a problem balun for your setup should be 1 pair for video and 2 pair for power yes what you have is working but now giving you problems so you may as well fix your system the right way your baluns are 24v in 12v out wrong baluns Share this post Link to post Share on other sites
ankomen2 0 Posted February 4, 2022 So right now my setup is 2 pairs of that rj45 cables are for power and only 1 pair for video. The power supply is one 12V 5amps 4ch. So I need to find baluns for 12V Share this post Link to post Share on other sites
tomcctv 187 Posted February 4, 2022 3 hours ago, ankomen2 said: So right now my setup is 2 pairs of that rj45 cables are for power and only 1 pair for video. The power supply is one 12V 5amps 4ch. So I need to find baluns for 12V No. That is not your setup…. But how it should be no you don’t look for 12v baluns …. You just need standard HD baluns you only need power baluns for long distance which is why there 24v powered something like this is all you need https://www.ebay.co.uk/itm/273595641495 Share this post Link to post Share on other sites
ankomen2 0 Posted February 5, 2022 This is my setup at the power supply. The blue and white are my negative and brown and white are my positive. Same down at the cameras. I will buy one pair of those baluns. I hope it works Share this post Link to post Share on other sites
tomcctv 187 Posted February 5, 2022 17 hours ago, ankomen2 said: The balun - HDCVI Balun, Model DH-PFM800-4MP 4 pairs of power including the DVR - I have 5 cameras (2 baluns per camera, one at the camera and one at the dvr) So which is the right information because none of yours makes sense your picture shows Cheap baluns ….. not pfm800 as you have listed I can only see 4 baluns in your picture but you have 6 things connected to your 5amp power supply which is only a 4 zone power supply I’m going to guess ….. are you running your dvr off the same power supply ? Share this post Link to post Share on other sites
ankomen2 0 Posted February 5, 2022 The dvr is connected to one of the outputs yes. The baluns are 5, one is hidden behind the 4 (there are 5 cables). Share this post Link to post Share on other sites
tomcctv 187 Posted February 5, 2022 Ok … now let’s do some simple sums 12v 5amp power supply cameras over your length I would say 1amp to 1.5 amp for allowing for IR 5x 1.5 = 7.5 amp you also have your dvr connected to the same power supply DVR needs between 2.1 and 2.5 amp mans you never run a dvr off the saner power supply to start with …..all DVRs come with there own power supply so in total you have 10amp on a 5 amp power supply so I would start fixing these problems first as you have too many faults to start with and a fire risk Share this post Link to post Share on other sites
ankomen2 0 Posted February 5, 2022 I put the DVR on its factory brick to the wall. This is the result - almost the same. The lines flicker a lot but the picture occasionally fixes itself. I don't get why after a power restart on the camera It works fine for a day or two. Share this post Link to post Share on other sites
tomcctv 187 Posted February 5, 2022 1 hour ago, ankomen2 said: I don't get why after a power restart on the camera It works fine for a day or two. It’s simple …… as you are using power components under spec yes it might work for a while …. But it’s running hot to cope with the demand it’s not rated for Share this post Link to post Share on other sites
ankomen2 0 Posted February 5, 2022 Running hot to cope with demand, but why does only one camera suffer (I tried changing the power supply channels). So now I need to change the baluns and it will presumably be fixed. This was done by some guy 5 years ago and I don't why he didn't buy a second UPS system. Share this post Link to post Share on other sites
tomcctv 187 Posted February 5, 2022 No ….. it is best if you start with power supplies dvr on its own 2.1 amp then get two new 5amp power supplies run 3 cameras on each Share this post Link to post Share on other sites
ankomen2 0 Posted February 6, 2022 Ok will do that. Thank you <3 Share this post Link to post Share on other sites
