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    Solved Errors M409 and Warning: Commands is not supported

    PanelDue
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    • Aitor
      Aitor last edited by

      Good morning everyone,

      I am getting errors in PanelDue when printing. These errors do not appear in WebControl.

      WhatsApp Image 2021-07-29 at 5.18.05 PM.jpeg

      I have tested them in the following way:
      Duet2Wifi + Duex5 RRF3.3 DWC3.3
      On the PanelDue5i I tested the following firmwares
      PanelDue R3.3 RC4
      PanelDue R3.3 RC3
      PanelDue R3.2.11

      In all cases the errors and warnings were displayed.

      On the other hand I tried printing with the 4-wire cable and the 10-wire cable.
      Both cables are very long about 1,8m, however some machines do not show this error with the same cable length.
      On the other hand I have tried to print from the SD card and from the internal card of the duet, in both cases the errors are displayed.
      To print from the external SD card I use an external card holder connected to CONN_SD, because with such a long cable the data did not arrive well, leaving the PanelDue connected with the 4-wire cables.
      I have tried to print only with the 4-wire cables, without anything else connected.

      I don't know what more tests to do, what can these errors be due to?
      I think that the long cable could be the problem, but I have no other choice, could I put some kind of filter?
      If it's not the cable, since it doesn't happen on some machines, what could it be due to?

      Thanks in advance
      Best regards

      1 Reply Last reply Reply Quote 0
      • Phaedrux
        Phaedrux Moderator last edited by

        Can you measure the resistance of each cable in your 4 wire cable?

        https://duet3d.dozuki.com/Wiki/Connecting_an_LCD_control_panel#Section_Option_1_4_way_cable

        Z-Bot CoreXY Build | Thingiverse Profile

        dc42 1 Reply Last reply Reply Quote 0
        • dc42
          dc42 administrators @Phaedrux last edited by

          @Aitor does the PanelDue cable run close to any stepper motor cables?

          Duet WiFi hardware designer and firmware engineer
          Please do not ask me for Duet support via PM or email, use the forum
          http://www.escher3d.com, https://miscsolutions.wordpress.com

          Aitor 1 Reply Last reply Reply Quote 0
          • Aitor
            Aitor @dc42 last edited by

            Good morning @PHAEDRUX and @dc42,

            I have measured the wires and they give me 0.126 ohm, these have a splice, so I will try to make a whole cable and that does not exceed 0.1ohm as it says in the documentation.

            On the other hand, this cable only passes near a cable connected to fan2, for a led strip, but I had already tried disconnecting it and moving it away from any cable, in case interference was transmitted.

            I will try with a cable with less resistance and I will let you know if it has been solved.

            Thanks
            Best regards

            Aitor 1 Reply Last reply Reply Quote 1
            • Aitor
              Aitor @Aitor last edited by Aitor

              Good morning @PHAEDRUX and @dc42,

              I've done more tests and I'm still getting errors, but I have the feeling that less than before.

              One of the tests I have done with a whole cable of 0.089 ohm, this one has given me errors despite having it outside the machine.

              I have also tried to change the URXD0 and UTXD0 cables for thinner telephone cables (not shielded) that have 0.085 ohm, this is when I have had the feeling that the errors decreased, but I am not sure.

              I have ordered by Internet, cable of 4 telephone wires with these characteristics:

              Type of shielding Al/PET
              Outer sheath material PVC
              Core Strands 1/0.51 mm
              American Wire Gauge AWG 24 AWG

              Can I use it to power PanelDue5i? What is the power consumption of PanelDue?

              When it arrives I will test it and let you know, if you can think of any test I can do or any recommendation, I will be happy to do it for you.

              Best regards and thanks

              NOTE: I'm sorry, my English is null and I think it is not expressed as I would like, I hope you understand what I write.

              Aitor 1 Reply Last reply Reply Quote 0
              • Aitor
                Aitor @Aitor last edited by Aitor

                Good morning @PHAEDRUX and @dc42 ,

                I got the cable last week, and I haven't seen the errors on the screen again.

                Anyway, I don't know if it was the cable that solved the error, as a resistance cable (heater E0) had broken and was making contact with the structure, so I think the interference could be due to this.

                Best regards and thanks for your help

                1 Reply Last reply Reply Quote 0
                • mfs12
                  mfs12 last edited by

                  Hey @Aitor , thanks for reporting back. It sounds very likely that it was related to the cable. Especially when it happens sporadicaly.

                  Visit me on github at https://github.com/mfs12/

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