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Attempting to extrude with no tool selected - During Print

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  • undefined
    jaurand
    last edited by 6 Jun 2019, 02:09

    @dc42 said in Attempting to extrude with no tool selected - During Print:

    So you could upgrade your firmware to 2.03RC4 and see whether the checksum errors reduce or go away.

    upgraded to 2.03RC5 and still getting checksum errors

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    • undefined
      dc42 administrators
      last edited by 7 Jun 2019, 08:47

      What sort of cable do you have between the PanelDue and the Duet? Is it running close to stepper motor wires for any appreciable distance?

      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

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      • undefined
        jaurand
        last edited by 8 Jun 2019, 03:23

        @dc42 said in Attempting to extrude with no tool selected - During Print:

        What sort of cable do you have between the PanelDue and the Duet? Is it running close to stepper motor wires for any appreciable distance?

        I'm running the 4 pin wire. The cable is not close to any stepper motor wires

        undefined 1 Reply Last reply 8 Jun 2019, 10:10 Reply Quote 0
        • undefined
          dc42 administrators @jaurand
          last edited by 8 Jun 2019, 10:10

          It sounds to me like a signal quality issue, but it could possibly be caused by an overloaded MCU. Are you using unusually high microstepping?

          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

          undefined 1 Reply Last reply 8 Jun 2019, 15:46 Reply Quote 0
          • undefined
            jaurand @dc42
            last edited by 8 Jun 2019, 15:46

            @dc42 just x16 with interpolation

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            • undefined
              dc42 administrators
              last edited by 10 Jun 2019, 09:18

              I am surprised you are getting checksum errors. I don't recall seeing see any reported on my delta for over a year, and the PanelDue cable is about 1.3m long.

              You could try reducing the baud rate to 38400 or 19200 at both ends, to see if the checksum errors go away.

              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

              undefined 1 Reply Last reply 14 Jun 2019, 16:55 Reply Quote 0
              • undefined
                jaurand @dc42
                last edited by 14 Jun 2019, 16:55

                @dc42 dropped the baud rate and still had check sum errors. also to note I had lost the ability to baby step with upgrading firmware to 2.03RC5 so i have gone back to 2.02 and able to baby step there

                undefined 1 Reply Last reply 15 Jun 2019, 01:54 Reply Quote 0
                • undefined
                  Scachi @jaurand
                  last edited by Scachi 15 Jun 2019, 01:54

                  @jaurand I had a lot of checksum errors too. I tried to get rid of this by mounting the duet wifi board to a different location on my printer, changing the baud rate, using different cables for the paneldue, mounting the paneldue to a different location.

                  Searching the forum/wiki I found that twisting the wires of the endstop cables can fix it and It looks like this did the trick. No more checksum errors here.
                  My x&y endstop cables are very close to (directly above of) one of my stepper motors: https://www.thingiverse.com/thing:3667947

                  undefined 1 Reply Last reply 1 Aug 2019, 13:55 Reply Quote 0
                  • undefined
                    THaala
                    last edited by 4 Jul 2019, 15:00

                    Hello,

                    same problems on my printer.
                    After Update to 2.03 and Panelue 1.23 i got a lot of checksum errors. I didnt have seen this before (2.0 beta) with 115200 Baud.

                    Reducing raudrate to 9600 reduces the amout of errors a bit but not much.
                    Software <= 2.0 beta have never shown such checksum errors.

                    The problem with "attemepting to extrude with no tool selected" during print i have seen on time destroying a 13 hours print.

                    BR,
                    Thilo

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                    • undefined
                      dc42 administrators
                      last edited by 16 Jul 2019, 08:45

                      You should not have such a high error rate. One cause could be that the PanelDue cables are running along the printer frame, and you haven't grounded both the printer frame and the negative output form the power supply. That causes the printer frame to carry noise from stepper motors and heater switching, which is coupled into the cable.

                      I have a 1.5m cable between the Duet and PanelDue on my delta, and I get zero error reports.

                      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

                      undefined 1 Reply Last reply 17 Jul 2019, 07:29 Reply Quote 0
                      • undefined
                        Phaedrux Moderator
                        last edited by 16 Jul 2019, 17:59

                        With PanelDue firmware 1.23 I started to get some checksum errors as well. I had previously noticed some screen flicker. So I decided to replace the cable with a new recrimped one and now everything is fine again. No screen flicker, no checksum errors. My frame is grounded as well as the DC- of the PSU.

                        Perhaps some of the newer features in 1.23 are exacerbating existing poor cabling.

                        Z-Bot CoreXY Build | Thingiverse Profile

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                        • undefined
                          bernie-mix @dc42
                          last edited by 17 Jul 2019, 07:29

                          @dc42
                          I have grounded my printer frame with the ground of 220V power outlet. Should I disconnect this grounding and instead connect the frame to the negative of the power supply output? Or must this connection persist and additionally the negative output connect to the frame?

                          undefined 1 Reply Last reply 17 Jul 2019, 08:59 Reply Quote 0
                          • undefined
                            dc42 administrators @bernie-mix
                            last edited by 17 Jul 2019, 08:59

                            @bernie-mix said in Attempting to extrude with no tool selected - During Print:

                            @dc42
                            I have grounded my printer frame with the ground of 220V power outlet. Should I disconnect this grounding and instead connect the frame to the negative of the power supply output? Or must this connection persist and additionally the negative output connect to the frame?

                            Unless you use the USB connection regularly, it's best to connect the frame to mains ground and also connect the negative PSU output to mains ground. But if/when you use the USB connection, see https://duet3d.dozuki.com/Wiki/USB_ground_loops.

                            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

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                            • undefined
                              jaurand @Scachi
                              last edited by 1 Aug 2019, 13:55

                              @scachi I finally got around to checking the stepper motor cables. I recrimped my second z motor and bam no more check sum errors. Thank you!

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