Dahua IPC-HDW5231R-ZE self-rebooting

gzn

n3wb
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Hello, I have two HDW5231R-ZE, but one of them have been self-rebooting by no reason a couple of days ago. The camera stay just a few seconds online. I already read Andy's topic about firmware versión 2.800.00000016 and its problems but I have not upgraded firmware since 2.800.00000010. I swapped PoE units, checked both network cables, umounted SDcards and the problem persists, just one camera works properly. After that, I applied a factory reset to the camera with problems, upgraded firmware to version 13 and 15, with factory resets between them and the problem persists. I am able to upgrade firmware (with config tool, web ui gets connection refused after some seconds) or change some configurations in a small time window between booting and restart, even to watch the main stream but I only can see a blank screen (weird). Could it be a hardware failure?
 

chaosengine

Getting the hang of it
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Looks like hardware failure, to make sure, put it on desk and test with 12V DC power supply and V2.800.0000015.0.R. Do not forget "System" -> "Default" -> "Default" after up/down-grading.
 

gzn

n3wb
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Today I tried to do some test again on the camera and I found that the main stream worked perfectly (perfect image) for a few additional seconds and the the camera self-rebooted. The camera worked all the time in a fixed position at 25-30 celcius degress. Could it be a temperature problem or bad dissipation ?
 
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