Confirm that the wire power connections are securely in place and have not become loose or disconnected.
Disconnect each camera one at a time to see which one is causing the problem. If they are not, you may have a short circuit somewhere.
If your power supply box uses PTCs, instead of fuses, confirm that the LED light are on for all channels.
If one is burnt out, the LED light under that particular fuse will be off.
If your power supply box uses traditional fuses, confirm that none of the fuses are burnt out.
Make sure that the the power switch is turned on and the LED status lights are on.
Both types have an on / off switch the control power to the entire unit.įollow these steps to troubleshoot your power supply box. The one on the right uses PTC “auto reset fuses”. The one on the left uses traditional one time use fuses. The above image shows the inside of two CCTV power supply boxes. If your security camera system uses a CCTV power supply box, I recommend that you check the fuses inside the box. Plug it in and test to see if you camera now displays video. Most are 12V DC.ĭisconnect your existing power supply from the cable and attach your spare. If you do not have a spare, you can find security camera power supplies here.īe sure to look at your existing power supply to confirm whether it is 12V DC or 24VAC. Many CCTV systems include individual DC power transformers for each camera (like the one in the above image).
Confirm your Camera and DVR are Compatibleīefore you go through the trouble and expense of buying a test monitor or a spare CCTV cable, I recommend that you check to make sure that you do not have a power supply problem.
Is this a new security camera or DVR? Do this first.
Use a Test Cable and Spare Power Supply.
Is this an existing camera that was working and at some point had video loss? Follow these troubleshooting steps.
Here are some initial questions that you should answer when troubleshooting a security camera that has no video image. It applies to analog CCTV cameras and HD coax security cameras. The guide is used for hard wired security cameras that use BNC connectors and coax cable. Here is a guide for CCTV troubleshooting no picture issues. At CCTV Camera Pros, we regularly hear from people that need help saying “my CCTV camera is not working”.
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