Reply To: skr e3 v.20 and bltouch 3.1 – not powering up -with fw bltouch zprobe blue light

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#250
RegularJoe
Participant

The PCB labeling of what’s 5V, ect, seems off. I got mine to work by mimicking the output from the sensor’s plug to the socket on the board. So left to right on mine is BLUE RED YELLOW BLACK WHITE so I rearranged the plug to be BLUE RED YELLOW, from far left to right in the board’s socket, leaving the BLACK WHITE for the Z socket and it then fired right up.