Je pense pas que le problème viennent de la, je me suis peut être mal exprimé dans mon premier message.
Quand j'allume l'imprimante je n'ai que le ventilateur de l'alimentation qui tourne et la diode verte de l'alimentation qui est active.
L'écran ne s'allume pas, les ventilateur non plus...
Je pense que le problème de connectivité entre Octoprint et l'imprimante viens de l'imprimante qui est HS.
Connected to: Serial<id=0x69c8d250, open=True>(port='/dev/ttyUSB0', baudrate=115200, bytesize=8, parity='N', stopbits=1, timeout=10.0, xonxoff=False, rtscts=False, dsrdtr=False), starting monitor
Starting baud rate detection...
Changing monitoring state from "Opening serial port" to "Detecting baudrate"
Trying baudrate: 115200
Send: N0 M110 N0*125
Baudrate test retry #1
Send: N0 M110 N0*125
Baudrate test retry #2
Send: N0 M110 N0*125
Baudrate test retry #3
Send: N0 M110 N0*125
Baudrate test retry #4
Send: N0 M110 N0*125
Trying baudrate: 250000
Send: N0 M110 N0*125
Baudrate test retry #1
Send: N0 M110 N0*125
Baudrate test retry #2
Send: N0 M110 N0*125
Baudrate test retry #3
Send: N0 M110 N0*125
Baudrate test retry #4
Send: N0 M110 N0*125
Trying baudrate: 230400
Send: N0 M110 N0*125
Baudrate test retry #1
Send: N0 M110 N0*125
Baudrate test retry #2
Send: N0 M110 N0*125
Baudrate test retry #3
Send: N0 M110 N0*125
Baudrate test retry #4
Send: N0 M110 N0*125
Trying baudrate: 57600
Send: N0 M110 N0*125
Baudrate test retry #1
Send: N0 M110 N0*125
Baudrate test retry #2
Send: N0 M110 N0*125
Baudrate test retry #3
Send: N0 M110 N0*125
Baudrate test retry #4
Send: N0 M110 N0*125
Trying baudrate: 38400
Send: N0 M110 N0*125
Baudrate test retry #1
Send: N0 M110 N0*125
Baudrate test retry #2
Send: N0 M110 N0*125
Baudrate test retry #3
Send: N0 M110 N0*125
Baudrate test retry #4
Send: N0 M110 N0*125
Trying baudrate: 19200
Send: N0 M110 N0*125
Baudrate test retry #1
Send: N0 M110 N0*125
Baudrate test retry #2
Send: N0 M110 N0*125
Baudrate test retry #3
Send: N0 M110 N0*125
Baudrate test retry #4
Send: N0 M110 N0*125
Trying baudrate: 9600
Send: N0 M110 N0*125
Baudrate test retry #1
Send: N0 M110 N0*125
Baudrate test retry #2
Send: N0 M110 N0*125
Baudrate test retry #3
Send: N0 M110 N0*125
Baudrate test retry #4
Send: N0 M110 N0*125
Changing monitoring state from "Detecting baudrate" to "Error: No more baudrates to test, and no suitable baudrate found."
Changing monitoring state from "Error: No more baudrates to test, and no suitable baudrate found." to "Offline (Error: No more baudrates to test, and no suitable baudrate found.)"
Connection closed, closing down monitor
Changing monitoring state from "Offline" to "Detecting serial port"
Serial port list: ['/dev/ttyUSB0']
Connecting to: /dev/ttyUSB0
Changing monitoring state from "Detecting serial port" to "Opening serial port"
Connected to: Serial<id=0x68841d90, open=True>(port='/dev/ttyUSB0', baudrate=115200, bytesize=8, parity='N', stopbits=1, timeout=10.0, xonxoff=False, rtscts=False, dsrdtr=False), starting monitor
Starting baud rate detection...
Changing monitoring state from "Opening serial port" to "Detecting baudrate"
Trying baudrate: 115200
Send: N0 M110 N0*125
Baudrate test retry #1
Send: N0 M110 N0*125
Baudrate test retry #2
Send: N0 M110 N0*125
Baudrate test retry #3
Send: N0 M110 N0*125
Baudrate test retry #4
Send: N0 M110 N0*125
Trying baudrate: 250000
Send: N0 M110 N0*125
Baudrate test retry #1
Send: N0 M110 N0*125
Baudrate test retry #2
Send: N0 M110 N0*125
Baudrate test retry #3
Send: N0 M110 N0*125
Baudrate test retry #4
Send: N0 M110 N0*125
Trying baudrate: 230400
Send: N0 M110 N0*125
Baudrate test retry #1
Send: N0 M110 N0*125
Baudrate test retry #2
Send: N0 M110 N0*125
Baudrate test retry #3
Send: N0 M110 N0*125
Baudrate test retry #4
Send: N0 M110 N0*125
Trying baudrate: 57600
Send: N0 M110 N0*125
Baudrate test retry #1
Connection closed, closing down monitor
Closing down send loop
Changing monitoring state from "Detecting baudrate" to "Offline"
Changing monitoring state from "Offline" to "Detecting serial port"
Serial port list: ['/dev/ttyUSB0']
Connecting to: /dev/ttyUSB0
Changing monitoring state from "Detecting serial port" to "Opening serial port"
Connected to: Serial<id=0x73240230, open=True>(port='/dev/ttyUSB0', baudrate=115200, bytesize=8, parity='N', stopbits=1, timeout=10.0, xonxoff=False, rtscts=False, dsrdtr=False), starting monitor
Starting baud rate detection...
Changing monitoring state from "Opening serial port" to "Detecting baudrate"
Trying baudrate: 115200
Send: N0 M110 N0*125
Baudrate test retry #1
Send: N0 M110 N0*125
Baudrate test retry #2
Send: N0 M110 N0*125
Baudrate test retry #3
Send: N0 M110 N0*125
Baudrate test retry #4
Send: N0 M110 N0*125
Trying baudrate: 250000
Send: N0 M110 N0*125
Baudrate test retry #1
Send: N0 M110 N0*125
Baudrate test retry #2
Send: N0 M110 N0*125
Baudrate test retry #3
Send: N0 M110 N0*125
Baudrate test retry #4
Send: N0 M110 N0*125
Trying baudrate: 230400
Send: N0 M110 N0*125
Baudrate test retry #1
Send: N0 M110 N0*125
Baudrate test retry #2
Send: N0 M110 N0*125
Baudrate test retry #3
Send: N0 M110 N0*125
Baudrate test retry #4
Send: N0 M110 N0*125
Trying baudrate: 57600
Send: N0 M110 N0*125
Baudrate test retry #1
Send: N0 M110 N0*125
Baudrate test retry #2
Send: N0 M110 N0*125
Baudrate test retry #3
Send: N0 M110 N0*125
Baudrate test retry #4
Send: N0 M110 N0*125
Trying baudrate: 38400
Send: N0 M110 N0*125
Baudrate test retry #1
Send: N0 M110 N0*125
Baudrate test retry #2
Send: N0 M110 N0*125
Baudrate test retry #3
Send: N0 M110 N0*125
Baudrate test retry #4
Send: N0 M110 N0*125
Trying baudrate: 19200
Send: N0 M110 N0*125
Baudrate test retry #1
Send: N0 M110 N0*125
Baudrate test retry #2
Send: N0 M110 N0*125
Baudrate test retry #3
Send: N0 M110 N0*125
Baudrate test retry #4
Send: N0 M110 N0*125
Trying baudrate: 9600
Send: N0 M110 N0*125
Baudrate test retry #1
Send: N0 M110 N0*125
Baudrate test retry #2
Send: N0 M110 N0*125
Baudrate test retry #3
Send: N0 M110 N0*125
Baudrate test retry #4
Send: N0 M110 N0*125
Changing monitoring state from "Detecting baudrate" to "Error: No more baudrates to test, and no suitable baudrate found."
Changing monitoring state from "Error: No more baudrates to test, and no suitable baudrate found." to "Offline (Error: No more baudrates to test, and no suitable baudrate found.)"
Connection closed, closing down monitor