Dahua IPC-HDW3549TM-AS-LED fluctuates dims / brightens during recording.

Redbone

Redbone

Getting the hang of it
Jun 5, 2021
79
53
Ontario, Canada
Running a Dahua IPC-HDW3549TM-AS-LED off a Hikvision DS-3E0510P-E 8-Port 20Gbps Unmanaged Gigabit PoE Ethernet Switch along with 4 others Dahua fixed lens cams. These all connect to a none PoE Dahua 16 port NVR. All other cams function as normal but the one cam (IPC-HDW3549TM-AS-LED) shows lighting fluctuations when recording. Will confirm firmware and update later on today. Eyeball camera located under soffit facing north overlooking driveway.
 

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Is it happening day and night?

Are you on default/auto settings or have you dialed them in to your field of view?

Post a sample video and screenshots of your camera settings for exposure, brightness, encoding, etc.
 
Oh wow that is annoying and without motion. I was thinking maybe there was an exposure compensation issue.

And it is fine on live view?
 
wittaj said:
Oh wow that is annoying and without motion. I was thinking maybe there was an exposure compensation issue.

And it is fine on live view?
Click to expand...
Live view has no issue but I've noticed the issue happens early in the morning anywhere from 7:15-10:00am. Will change some settings and compare to other cams. Thanks.
 
Redbone said:
Live view has no issue but I've noticed the issue happens early in the morning anywhere from 7:15-10:00am. Will change some settings and compare to other cams. Thanks.
Click to expand...
If you don't have WDR or SSA enabled in your settings, sometimes the image with WDR or SSA enabled will look like that, let's say washed out... if they are enabled, turn them off and compare.

WDR or SSA.jpg
 
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Maybe firmware bug.
Restarting the camera can solve this problem.
I had a similar problem before.
After restarting it didn't happen again.
 
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kobebeef said:
Maybe firmware bug.
Restarting the camera can solve this problem.
I had a similar problem before.
After restarting it didn't happen again.
Click to expand...

Looked at the firmware and realized that I have the latest since I upgraded / updated couple months back. Issue corrected after I adjusted the profile day / night settings from auto exposure to manual. Noticed problem during sunrise or sunset which was causing confusion with the camera auto settings.
 
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Redbone said:
Looked at the firmware and realized that I have the latest since I upgraded / updated couple months back. Issue corrected after I adjusted the profile day / night settings from auto exposure to manual. Noticed problem during sunrise or sunset which was causing confusion with the camera auto settings.
Click to expand...
Look again on the Dahua website in the download / firmware section for that camera, I think the latest firmware was released again about two days ago!

www.dahuasecurity.com

WizSense Series - Dahua International

WizSense Series
www.dahuasecurity.com www.dahuasecurity.com

New firmware.jpg
 
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To fix this problem I have hit default on image settings multiple times and then apply. Sometimes it works, sometimes it does not and I need to mess about with the settings maxing them out and enabling SSA etc until it sorts itself out.

Once its fixed it doesn't seem to return.
 
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