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    Duet 3 losing connection whilst printing

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    • camcamnzundefined
      camcamnz @gloomyandy
      last edited by

      @gloomyandy said in Duet 3 losing connection whilst printing:

      /varlog/syslog

      Yes, I just started the heater, and instantly saw warnings in that log file, as below

      Jan 24 13:17:49 duet3 DuetWebServer[564]: [DoCode] Executing code 'M140 P0 S60'
      Jan 24 13:17:49 duet3 DuetWebServer[564]: #033[40m#033[32minfo#033[39m#033[22m#033[49m: Microsoft.AspNetCore.Mvc.Infrastructure.ContentResultExecutor[1]
      Jan 24 13:17:49 duet3 DuetWebServer[564]: Executing ContentResult with HTTP Response ContentType of text/plain; charset=utf-8
      Jan 24 13:17:49 duet3 DuetWebServer[564]: #033[40m#033[32minfo#033[39m#033[22m#033[49m: Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker[2]
      Jan 24 13:17:49 duet3 DuetWebServer[564]: Executed action DuetWebServer.Controllers.MachineController.DoCode (DuetWebServer) in 121.9828ms
      Jan 24 13:17:49 duet3 DuetWebServer[564]: #033[40m#033[32minfo#033[39m#033[22m#033[49m: Microsoft.AspNetCore.Routing.EndpointMiddleware[1]
      Jan 24 13:17:49 duet3 DuetWebServer[564]: Executed endpoint 'DuetWebServer.Controllers.MachineController.DoCode (DuetWebServer)'
      Jan 24 13:17:49 duet3 DuetWebServer[564]: #033[40m#033[32minfo#033[39m#033[22m#033[49m: Microsoft.AspNetCore.Hosting.Diagnostics[2]
      Jan 24 13:17:49 duet3 DuetWebServer[564]: Request finished in 124.107ms 200 text/plain; charset=utf-8
      Jan 24 13:17:49 duet3 DuetControlServer[3086]: [warn] Restarting transfer because a bad data response was received (0x00000022)
      Jan 24 13:17:49 duet3 DuetControlServer[3086]: [warn] Restarting transfer because a bad data response was received (0x00000011)
      Jan 24 13:17:50 duet3 DuetControlServer[3086]: [warn] Restarting transfer because a bad header response was received (0x000000b2)
      Jan 24 13:17:50 duet3 DuetControlServer[3086]: [warn] Bad data CRC32 (expected 0xe20300be, got 0x02635649)
      Jan 24 13:17:50 duet3 DuetControlServer[3086]: [warn] Bad data CRC32 (expected 0xe20300be, got 0xabbbd02c)
      Jan 24 13:17:50 duet3 DuetControlServer[3086]: [warn] Bad data CRC32 (expected 0xe20300be, got 0x66f47fab)
      Jan 24 13:17:50 duet3 DuetControlServer[3086]: [warn] Restarting transfer because the number of maximum retries has been exceeded
      Jan 24 13:17:50 duet3 DuetControlServer[3086]: [warn] Restarting transfer because a bad header response was received (0x00000074)
      Jan 24 13:17:50 duet3 DuetControlServer[3086]: [warn] Lost connection to Duet (Board is not available (no header))
      Jan 24 13:17:50 duet3 DuetControlServer[3086]: [info] Connection to Duet established
      Jan 24 13:17:50 duet3 DuetControlServer[3086]: [warn] Bad data CRC32 (expected 0xfee53e33, got 0x29af8a10)
      Jan 24 13:17:50 duet3 DuetControlServer[3086]: [warn] Restarting transfer because a bad data response was received (0x0000002c)
      Jan 24 13:17:50 duet3 DuetControlServer[3086]: [warn] Lost connection to Duet (Board is not available (no header))
      Jan 24 13:17:50 duet3 DuetControlServer[3086]: [info] Connection to Duet established
      Jan 24 13:17:51 duet3 DuetControlServer[3086]: [warn] Restarting transfer because a bad header response was received (0xffffffe1)
      Jan 24 13:17:51 duet3 DuetControlServer[3086]: [warn] Restarting transfer because a bad header response was received (0x0000007a)
      Jan 24 13:17:51 duet3 DuetControlServer[3086]: [warn] Lost connection to Duet (Board is not available (no header))
      Jan 24 13:17:51 duet3 DuetControlServer[3086]: [warn] Bad data CRC32 (expected 0x147bc906, got 0x094245ad)
      Jan 24 13:17:51 duet3 DuetControlServer[3086]: [warn] Bad data CRC32 (expected 0x147bc906, got 0xb45e66d9)
      Jan 24 13:17:51 duet3 DuetControlServer[3086]: [info] Connection to Duet established
      Jan 24 13:17:51 duet3 DuetControlServer[3086]: [warn] Restarting transfer because a bad header response was received (0x00000070)
      Jan 24 13:17:51 duet3 DuetControlServer[3086]: [warn] Restarting transfer because a bad data response was received (0xffffff77)
      Jan 24 13:17:51 duet3 DuetControlServer[3086]: [warn] Restarting transfer because a bad data response was received (0xffffff77)
      Jan 24 13:17:51 duet3 DuetControlServer[3086]: [warn] Lost connection to Duet (Board is not available (no header))
      Jan 24 13:17:51 duet3 DuetControlServer[3086]: [info] Connection to Duet established
      Jan 24 13:17:51 duet3 DuetControlServer[3086]: [warn] Bad data CRC32 (expected 0xf639780f, got 0x6abe97ec)
      Jan 24 13:17:51 duet3 DuetControlServer[3086]: [warn] Lost connection to Duet (Board is not available (no header))
      Jan 24 13:17:51 duet3 DuetControlServer[3086]: [info] Connection to Duet established
      Jan 24 13:17:51 duet3 DuetControlServer[3086]: [warn] Restarting transfer because a bad header response was received (0x000000de)

      Dan1990undefined 1 Reply Last reply Reply Quote 0
      • gloomyandyundefined
        gloomyandy
        last edited by

        Looks like your heater may be introducing noise into the Duet/SBC connection. Obvious things are to check how the various cables are routed. How long is the cable between the rPi and the Duet? Perhaps some photos of how you have things set up?

        camcamnzundefined 1 Reply Last reply Reply Quote 0
        • camcamnzundefined
          camcamnz @gloomyandy
          last edited by

          @gloomyandy That was my first thought as well, so I moved the rPi out of the enclosure with the other electronics until it was sorted. It is that cable that came with the Duet ![alt text]duet.jpg

          1 Reply Last reply Reply Quote 0
          • Thoma308undefined
            Thoma308
            last edited by Thoma308

            @gloomyandy said in Duet 3 losing connection whilst printing:

            ter may be introducing noise into the Duet/SBC connection. Obvious things are to check how the various cables are routed. How long is the cable between the rPi and the Duet? Perhaps some photos of how you have things set up?

            SOLVED:
            The Heater is not the problem
            I plugged everything back in on the PI, keyboard, mouse,
            HDMI, USB touchscreen and connected the PI to the LAN.
            Also reinstalled Anydesk as a remote terminal.
            I accessed everything via http://duet3.local/ and locally via the screen on the PI again.

            AND NOW THE SOLUTION:
            The separtate power supply is the problem. You can power the SBC directly and power the Duet separately.
            there are jumpers for that on the board.
            And that was the problem with two separate power supplies.
            I now have a 4A power supply directly on the PI and through that I also feed the 5V in the Duet.
            -> and that was the solution

            2h printing without any error message

            https://duet3d.dozuki.com/Wiki/Duet_3_Mainboard_6HC_Hardware_Overview#Section_5V
            SBC->5V and 5V -> SBC both are now connected

            camcamnzundefined 1 Reply Last reply Reply Quote 0
            • camcamnzundefined
              camcamnz @Thoma308
              last edited by

              @Thoma308 In that case, your problem is different to mine, as I already tried all the variations of powering pi & duet

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              • Thoma308undefined
                Thoma308
                last edited by Thoma308

                But it probably has to do with the power supply. I would make some more attempts in this direction. I use a Raspberry Pi 4 Model B 4GB

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                • Dan1990undefined
                  Dan1990
                  last edited by

                  I have the same problem but when I did connect it via duet->SBC still giving the same issue.

                  1 Reply Last reply Reply Quote 0
                  • Thoma308undefined
                    Thoma308
                    last edited by

                    @Thoma308 said in Duet 3 losing connection whilst printing:

                    SBC->5V and 5V -> SBC both are now connected

                    For me it runs perfectly now, but only with the power supply from the Pi and both jumper set
                    SBC->5V
                    5V -> SBC

                    1 Reply Last reply Reply Quote 0
                    • Dan1990undefined
                      Dan1990 @camcamnz
                      last edited by

                      @camcamnz

                      how did u access the:

                      /varlog/syslog

                      camcamnzundefined 1 Reply Last reply Reply Quote 0
                      • camcamnzundefined
                        camcamnz @Dan1990
                        last edited by

                        @Dan1990 via ssh/putty.
                        There is a typo it is actually /var/log/syslog
                        I ran the following command and watched the output once whilst testing:
                        tail -f /var/log/syslog

                        Dan1990undefined 1 Reply Last reply Reply Quote 0
                        • Dan1990undefined
                          Dan1990 @camcamnz
                          last edited by

                          @camcamnz

                          Thanks,

                          I have the same issue as you, and I think I have found a lead to solve it. I disconnected the bed and for now, everything looks fine.

                          1 Reply Last reply Reply Quote 0
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