HikVision Camera can't edit sub-stream parameters, "The Device Breaks Down"

dadur604

dadur604

n3wb
Aug 19, 2025
2
1
Los Angeles
Hi Folks,

I have a DS-2CD2387G2-LSU/SL. Originally running firmware V5.7.18, I also tried upgrading to latest V5.7.19.

I'm trying to change the substream settings through the WebUI. When I press "Save" on the SubStream tab, I get an error "The Device Breaks Down". Doesn't matter which setting I change on the tab. I'm able to change all Main Stream settings just fine. The substream also works just fine, but I can't change any settings.

Here are my current sub-stream settings:
Stream Type Sub-Stream
Video Type Video and Audio Stream
Resolution 640*360
Bit Rate Type Variable Bit Rate
Picture Quality Highest
Video Frame Rate(fps) 30
Max. Bit Rate 320 Kbps
Video Encoding H.265
Profile Medium
I-Frame Interval 50
SVC Off
Smoothing 50
Click to expand...

I'm trying to change the substream to H264 (since h265 is incompatible with villa indoor station). I've tried upgrading firmware and reboot/reset.

LMK anything I can try - Thanks all in advance!


1755624461013.png
 
Hi @dadur604

I have similar DS-2CD2387G2-LU cameras (running at 60 Hz, firmware V5.7.19 build 241207) ... The specs for my camera's sub-stream state:

Screenshot 2025-08-19 164558.png

But I get the "device breaks down" error message if I try to set the sub-stream to 30 fps... The highest I can set the sub-stream is 22 fps... The specs must be wrong because I can set 1280x720 resolution also... Here are the settings I use:

Screenshot 2025-08-19 165217.png

I suspect the stated specs of your model may also be wrong?

Screenshot 2025-08-19 165529.png
 
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