octoprint на debian не подключается принтеру

Очень нужна помощь.

есть Anycubik predator, мать BTT SKR 1.4 turbo, драйверы  BTT TMC 2208

Octoprint запущен на нетбуке

При пропитке подключиться выдаёт

Changing monitoring state from "Offline" to "Opening serial connection"

Connecting to port /dev/ttyACM0, baudrate 250000

Changing monitoring state from "Opening serial connection" to "Connecting"

Connected to: Serial(port='/dev/ttyACM0', baudrate=250000, bytesize=8, parity='N', stopbits=1, timeout=10.0, xonxoff=False, rtscts=False, dsrdtr=False), starting monitor

Send: N0 M110 N0*125

No answer from the printer within the connection timeout, trying another hello

Send: N0 M110 N0*125

There was a timeout while trying to connect to the printer

Changing monitoring state from "Connecting" to "Offline"

Connection closed, closing down monitor