LazyLoad with Slide component not working

Hey there,
i've got the following problem:
We use DJ-ImageSlider to create sliders on our website.
Currently we have excluded these sliders from lazyloading via css selector in the plugin settings of JLL.
When using LazyLoad, only the first and sometimes the first two images are loaded into a slider, the remaining images remain "gray", i.e. not loaded.

Is this problem known?
If not, we would like to work on the solution to save further loading time.

FYI:
http://cl--msg-treorbis-de.dev.msg.team/sap-analytics-cloud
You can see the missbehaviour under the section "Produkttour".

Best Regards

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