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Duet reporting inaccurate percentage.

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  • undefined
    Turbo
    last edited by 10 Apr 2020, 20:57

    Dont know why this just started happening, but my file finishes at 80% and then jumps straight to 100%. The layer count is correct, and i have an E in the comments of each line in my end gcode in Prusaslicer. Dont know what else it could be.

    This is my end gcode

    M104 S0 ; E turn off temperature
    M140 S0 ; E turn off heatbed
    M107 ; E turn off fan
    G91 ; E relative position
    G0 Z+5.0 F3600 ; E
    G90 ; E back to abosolute position
    {if layer_z < max_print_height}G1 Z{z_offset+min(layer_z+40, max_print_height)}{endif} ; E Move print head up
    G0 X100 Y200 F3000 ; E
    M84 ; E disable motors

    Cant stop tuning wont stop tuning.
    Dbot, Custom i3, Voron 0&2

    undefined 1 Reply Last reply 10 Apr 2020, 22:19 Reply Quote 0
    • undefined
      Phaedrux Moderator @Turbo
      last edited by 10 Apr 2020, 22:19

      @Turbo said in Duet reporting inaccurate percentage.:

      {if layer_z < max_print_height}G1 Z{z_offset+min(layer_z+40, max_print_height)}{endif} ; E Move print head up

      What does this evaluate to in the sliced file?

      Did this also start happening after tuning pressure advance as per your other thread?

      Z-Bot CoreXY Build | Thingiverse Profile

      undefined 1 Reply Last reply 10 Apr 2020, 22:23 Reply Quote 0
      • undefined
        Turbo @Phaedrux
        last edited by 10 Apr 2020, 22:23

        @Phaedrux If the final z height is under a defined value, itll raise 40mm to get out of the way, so long as it doesnt hit the max height. this didnt happen after tuning pa.

        Cant stop tuning wont stop tuning.
        Dbot, Custom i3, Voron 0&2

        1 Reply Last reply Reply Quote 0
        • undefined
          Phaedrux Moderator
          last edited by Phaedrux 4 Oct 2020, 22:25 10 Apr 2020, 22:24

          Firmware and DWC versions?

          Which percentage complete were you looking at?

          Also, I meant what does that conditional line look like in the final gcode file?

          Z-Bot CoreXY Build | Thingiverse Profile

          undefined 1 Reply Last reply 11 Apr 2020, 02:07 Reply Quote 0
          • undefined
            Turbo @Phaedrux
            last edited by Turbo 4 Nov 2020, 02:13 11 Apr 2020, 02:07

            @Phaedrux
            DWC: 2.0.7
            Board: Duet WiFi 1.02 or later
            Firmware: RepRapFirmware for Duet 2 WiFi/Ethernet 2.05.1 (2020-02-09b1)
            Duet WiFi Server Version: 1.23

            Hits 82% or so every time, then jumps to completed.
            I went back to stock prusa end gcode to see if it would resolve which looks like:

            G4 ; wait
            M221 S100
            M104 S0 ; turn off temperature
            M140 S0 ; turn off heatbed
            M107 ; turn off fan
            {if layer_z < max_print_height}G1 Z{z_offset+min(layer_z+30, max_print_height)}{endif} ; E Move print head up
            G1 X0 Y200 F3000 ; E home X axis
            M84 ; disable motors

            This is what the processed code looks like for that end.gcode. I dont see any issues, but im not an expert.

            ;END gcode for filament
            G4 ; wait
            M221 S100
            M104 S0 ; turn off temperature
            M140 S0 ; turn off heatbed
            M107 ; turn off fan
            G1 Z31.95 ; E Move print head up
            G1 X0 Y200 F3000 ; E home X axis
            M84 ; disable motors

            I cant seem to find anything abnormal in the gcode, but here it is. maybe you'll find something
            V4_EarSavers_CCPrinter_5.gcode

            Cant stop tuning wont stop tuning.
            Dbot, Custom i3, Voron 0&2

            1 Reply Last reply Reply Quote 0
            • undefined
              Turbo
              last edited by 11 Apr 2020, 02:48

              Im going to try copying the end gcode from my other printer (only changing one z value since its not as big), since that one reads percentage properly, and see if the issue persists.

              Cant stop tuning wont stop tuning.
              Dbot, Custom i3, Voron 0&2

              1 Reply Last reply Reply Quote 0
              • undefined
                Turbo
                last edited by 11 Apr 2020, 04:51

                @Phaedrux
                Print finished with the new gcode. Its not the end script causing it. it still ends at 82%, despite being the same end gcode on my other printer, which displays the percentage properly.
                What else could it be

                Cant stop tuning wont stop tuning.
                Dbot, Custom i3, Voron 0&2

                1 Reply Last reply Reply Quote 0
                • undefined
                  Turbo
                  last edited by 11 Apr 2020, 05:37

                  tried another print with no end .gcode. I'm still having this issue.

                  Cant stop tuning wont stop tuning.
                  Dbot, Custom i3, Voron 0&2

                  1 Reply Last reply Reply Quote 0
                  • undefined
                    Turbo
                    last edited by 11 Apr 2020, 16:02

                    Is it possible the start gcode would cause this issue? Ive ran the same gcode (essentially, changing retraction/PA) on two printers and one correctly reads the percentage, while one finishes around the 82% mark, not the same value each time. 81.2, 82.6, and 82% is what ive witnessed.

                    Cant stop tuning wont stop tuning.
                    Dbot, Custom i3, Voron 0&2

                    1 Reply Last reply Reply Quote 0
                    • undefined
                      Phaedrux Moderator
                      last edited by 11 Apr 2020, 17:55

                      I can't see anything obvious in the gcode file.

                      Z-Bot CoreXY Build | Thingiverse Profile

                      1 Reply Last reply Reply Quote 0
                      • undefined
                        Turbo
                        last edited by 15 Apr 2020, 04:57

                        Bumping this topic because the issue remains unresolved. A print just finished at 55.8%

                        Cant stop tuning wont stop tuning.
                        Dbot, Custom i3, Voron 0&2

                        1 Reply Last reply Reply Quote 0
                        • undefined
                          dc42 administrators
                          last edited by 15 Apr 2020, 12:15

                          Are you referring to the % complete reported by DWC, or by PanelDue?

                          Those % complete figures are not based on object height, which is why your end GCode does not affect them. AFAIR the % complete figure is based on filament consumption vs. filament required (if the filament length required is available in the GCode file), otherwise on the percentage of the GCode file that has been processed.

                          Your sample GCode file has these figures:

                          ; filament used [mm] = 6904.1
                          ; filament used [cm3] = 16.6
                          ; total filament used [g] = 0.0
                          ; total filament cost = 0.0

                          The 6904.1mm figure is being picked up by RRF. Next time you print this file (or another file that shows the same issue), please monitor the Filament Usage value of the DWC status page towards the end of the print, to see whether it is converging towards the filament usage recorded in the GCode file, or towards a lower value.

                          I note that your GCode file contains some negative extrusion amounts:

                          G1 F8640.000
                          G1 X18.241 Y12.662 E-0.33092
                          G1 X19.422 Y11.978 E-0.31506
                          G1 X20.660 Y11.628 E-0.29710
                          G1 X21.913 Y11.463 E-0.29192
                          G1 E-0.06500 F2100.00000

                          I presume this means you have "wipe while retracting" or similar enabled in the slicer.

                          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

                          1 Reply Last reply Reply Quote 0
                          • undefined
                            dc42 administrators
                            last edited by 15 Apr 2020, 12:41

                            I've just run that file in simulation mode. It finished just after reporting 88% complete with >1m of filament remaining. This suggests to me that either RRF is accumulating filament usage incorrectly, or that PrusaSlicer is reporting incorrect filament usage for the particular options you are using.

                            I think that RRF may be being confused by wipe during retraction. Please can you try running that print in simulation mode and check that you get the same results as me (or run another file if you prefer, and note the % complete figure it reaches just before the end). Then slice that file again, turning off wipe-while-retract. Simulate that file and see if the behaviour is different.

                            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 15 Apr 2020, 18:31 Reply Quote 1
                            • undefined
                              Turbo @dc42
                              last edited by Turbo 15 Apr 2020, 18:31

                              @dc42 running that .gcode I linked earlier shows a correct readout in simulation mode; reaching 100% as expected. I am referring to the DWC %

                              EDIT: i ran the file that finished at 55% from earlier in simulation mode, and it showed proper percentage up to 100%

                              Cant stop tuning wont stop tuning.
                              Dbot, Custom i3, Voron 0&2

                              undefined 1 Reply Last reply 16 Apr 2020, 09:40 Reply Quote 0
                              • undefined
                                dc42 administrators @Turbo
                                last edited by dc42 16 Apr 2020, 09:40

                                @Turbo said in Duet reporting inaccurate percentage.:

                                @dc42 running that .gcode I linked earlier shows a correct readout in simulation mode; reaching 100% as expected. I am referring to the DWC %

                                EDIT: i ran the file that finished at 55% from earlier in simulation mode, and it showed proper percentage up to 100%

                                Strange, when I ran your file in simulation mode (using RRF 3.01-RC7) it definitely jumped from about 88% to 100%.

                                I am fairly sure that wipe-while-retract is confusing the filament used accumulator, but I don't know if that is the only issue here. Can you re-slice one of your prints with wipe-while-retract disabled and see if the problem goes 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

                                1 Reply Last reply Reply Quote 0
                                • undefined
                                  dc42 administrators
                                  last edited by 16 Apr 2020, 19:11

                                  This is now fixed in the 3.01 source code and in the firmware binaries at https://www.dropbox.com/sh/3azy1njy3ayjsbp/AACquxr2m00eV568RZg5QG5wa?dl=0.

                                  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 16 Apr 2020, 19:48 Reply Quote 0
                                  • undefined
                                    Turbo @dc42
                                    last edited by 16 Apr 2020, 19:48

                                    @dc42 disabling wipe while retract solved it! Although am i able to use 3.01 with a duet 2 wifi board?

                                    Board: Duet WiFi 1.02 or later
                                    Firmware: RepRapFirmware for Duet 2 WiFi/Ethernet 2.05.1 (2020-02-09b1)
                                    Duet WiFi Server Version: 1.23

                                    Cant stop tuning wont stop tuning.
                                    Dbot, Custom i3, Voron 0&2

                                    1 Reply Last reply Reply Quote 0
                                    • undefined
                                      dc42 administrators
                                      last edited by 16 Apr 2020, 19:55

                                      @Turbo said in Duet reporting inaccurate percentage.:

                                      Although am i able to use 3.01 with a duet 2 wifi board?

                                      Yes you can, however you will need to make substantial changes to your config.g file if you do upgrade. See https://duet3d.dozuki.com/Wiki/RepRapFirmware_3_overview#Section_Summary_of_what_you_need_to_do_to_convert_your_configuration_and_other_files for the details.

                                      The fix will probably make it to RRF 2 eventually, but not until it has been in RRF3 long enough for me to be certain that it has no unexpected side effects.

                                      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 2 Replies Last reply 16 Apr 2020, 19:56 Reply Quote 0
                                      • undefined
                                        Turbo @dc42
                                        last edited by 16 Apr 2020, 19:56

                                        @dc42 Got it, thanks. I always assumed the RRF 3 would only work for Duet 3 boards and later. IDK Why

                                        Cant stop tuning wont stop tuning.
                                        Dbot, Custom i3, Voron 0&2

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                                        • undefined
                                          Turbo @dc42
                                          last edited by Turbo 17 Apr 2020, 04:58

                                          @dc42 After updating to RRF3.0 RC7, the issue is still present it seems. i have a current print about 50% done, however, the DWC only shows 6%, and i can watch it go up and down in percentage, which i dont think is supposed to happen. The object is consistent all the wey to the top, so there shouldnt be any large discrepancies that would affect %. This is with wipe while retract is on, because it does affect my print quality noticeably.

                                          Cant stop tuning wont stop tuning.
                                          Dbot, Custom i3, Voron 0&2

                                          1 Reply Last reply Reply Quote 0
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