Power block connection is fine.
I found the problem.
There seem to be a short with the servo that drives the filament. I unplugged it and replugged it after taking the board out, and it seems be working again. The board probably has a fail safe, that forces everything to shut down and reboot when it feels there is a short… Which why it only shut down with commands that controlled that particular servo.
cheers.
great news, glad you tracked it down
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stu_le_brew 42
sounds like a power issue, my initial thought would be to check the power block connection
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