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[ 5 posts ] |
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gledesma
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Post subject: camera with blank image Posted: Thu Dec 11, 2008 12:29 pm |
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Joined: Aug 2008 Posts: 3
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Hi, i'm from brazil, and i have a problem, i hve a dvr system with 16 cameras and 1 souce 12v/10a to all cameras, and 1 camera stay with a blank image late a time, when i turn off the energy of the camera and turn on , the camera image came back. what it must be? sorry my poor english.
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sw
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Post subject: Posted: Thu Dec 11, 2008 2:04 pm |
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Joined: Nov 2008 Posts: 32 Location: Traverse City, MI
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I always like to keep a spare small monitor for checking individual camera's, just in case there is a problem with the DVR input. But you can just as easily swap the camera feed with a known working input.
It's a process of elimination. Try replacing, with a known working
1. Power Supply/cord
2. Data cord
3. Camera
It could well be a bad camera. It happens.
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Erron S.
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Post subject: Posted: Tue Dec 16, 2008 11:51 am |
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Joined: Sep 2008 Posts: 159 Location: Westminster, Colorado
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Do you know how much current the cameras are pulling? Have we exceeded 8 amps for all of the cameras? (80% of the power supply)
_________________ Erron S. www.3xlogic.com Intelligent Video Surveillance 877-3xLOGIC erron@3xlogic.com
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scorpion
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Post subject: Posted: Tue Dec 16, 2008 7:02 pm |
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Joined: Mar 2007 Posts: 4424 Location: Melbourne Florida
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I second the thought that the camera is not getting enough "energy".
Is this the camera that is the farthest away from the power supply?
_________________ Scorpion QUESTION: Why is there always enough time to go back and fix it right a second time??
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Torch Security
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Post subject: Posted: Mon Dec 29, 2008 12:57 am |
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Joined: Dec 2008 Posts: 3
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camera always power supplied with 12VDC/24VAC. i think the camera donot get enough energy. as some camera have wider range power flexibility,some not. maybe also there is a problem with the power supply board! need check individually.
Charley
Torch Security Co.,Ltd
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