Serial port connection disappeared


#1

What is the problem? i have been using octoprint for at least a year and the printer has been off for about a week or two. i turned it on today only to find that i no longer can connect to the printer via serial port /dev/ttyUSB0. i cant get it back to that port by adding it manually either it will only show auto. i get the Error: Failed to autodetect serial port, please set it manually.. am i missing something?

What did you already try to solve it?

Additional information about your setup (OctoPrint version, OctoPi version, printer, firmware, octoprint.log, serial.log or output on terminal tab, ...)


#2

Log in via SSH and type lsusb into bash and tell us what you see.
And do a ls /dev/*USB*/ to see it ttyUSB0 is showing up.
Simple checks i'd try:

  • Different USB port
  • Different USB cable (they tend to go bad often)

It really sounds like it's not connected.
Also, what version of Octopi and OctoPrint? Maybe it's time for an update?


#3

Everything is up to date all cords were changed and tried different ports. I did however change the board and it did work immediately. Dunno if it matters but while changing the board I noticed when I went to swap out the as card into the new board the card didn’t looked pushed in all the way in the board I took out. Don’t know if that would affect it but it is working with the new board