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camera with blank image
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| gledesma |
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Posts: 2
Joined: 03 Aug 2008
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Posted: Thu Dec 11, 2008 1:29 pm
Post subject: camera with blank image
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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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Posts: 32
Joined: 03 Nov 2008
Location: Traverse City, MI
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Posted: Thu Dec 11, 2008 3:04 pm
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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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Posts: 80
Joined: 15 Sep 2008
Location: Westminster, Colorado
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Posted: Tue Dec 16, 2008 12:51 pm
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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.
3xlogic.com
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| scorpion |
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Posts: 3545
Joined: 26 Mar 2007
Location: Melbourne Florida
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Posted: Tue Dec 16, 2008 8:02 pm
Post subject:
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| Torch Security |
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Posts: 3
Joined: 29 Dec 2008
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Posted: Mon Dec 29, 2008 1:57 am
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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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