I'm uploading a video on yt: 
https://youtu.be/FoTquzFtt0oNotice that i didn't have that issue before with an older firmware-
When it happens no activity from the led too
My snare has a voltage divider and no rectifier, it sends positive first half
My settings are:
Positional lvl: 2   Low: 7   Hi:11
        Snare H:            Snare R:              
Th:         7                    9
Hi lvl:   1020                   520
retrigger: 6                     11
dynlvl:    8                       8
dyntime: 16/24                20
minscan: 30                    24
curve:    log2C                log2C
Third zone:
dualmidpoint: 4   
dualmidwidth: 9
All other gains, comps and lvlshift are: 0
Crosstalk disabled, all 0