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    Attempting to extrude with no tool selected - During Print

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    • jaurandundefined
      jaurand
      last edited by

      @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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      • dc42undefined
        dc42 administrators
        last edited by

        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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        • jaurandundefined
          jaurand
          last edited by

          @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

          dc42undefined 1 Reply Last reply Reply Quote 0
          • dc42undefined
            dc42 administrators @jaurand
            last edited by

            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

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

              @dc42 just x16 with interpolation

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              • dc42undefined
                dc42 administrators
                last edited by

                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

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

                  @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

                  Scachiundefined 1 Reply Last reply Reply Quote 0
                  • Scachiundefined
                    Scachi @jaurand
                    last edited by Scachi

                    @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

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                    • THaalaundefined
                      THaala
                      last edited by

                      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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                      • dc42undefined
                        dc42 administrators
                        last edited by

                        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

                        bernie-mixundefined 1 Reply Last reply Reply Quote 0
                        • Phaedruxundefined
                          Phaedrux Moderator
                          last edited by

                          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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                          • bernie-mixundefined
                            bernie-mix @dc42
                            last edited by

                            @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?

                            dc42undefined 1 Reply Last reply Reply Quote 0
                            • dc42undefined
                              dc42 administrators @bernie-mix
                              last edited by

                              @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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                              • jaurandundefined
                                jaurand @Scachi
                                last edited by

                                @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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