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Craftbot 3 software upgrade

Hi I have a Craftbot 3 which I am trying to upgrade. The Pr3ditor and LCD board seem to be Rev 4.1. I can get the firmware upgraded to the 2019 version with the legacy upgrade tool, but it I try going to the latest 2022 version the LCD screen back light comes on but there is no image. I suspect theses boards are old as they don't have the double rest buttons that are described in the documentation.



You have flashed the new incompatible binary to the CB3. CB3 latest firmware is from 2019. Hold the erase button and turn on the printer to erase the firmware and then with the latest CraftPrint, you can flash the working firmware automatically.