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    M500 dont work?

    Tuning and tweaking
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    • mickey30m
      mickey30m last edited by T3P3Tony

      Hi there,

      i have a problem with leveling my Z.

      i do this to level the Z

      M561
      M208 S1 Z-3
      G1 Z1
      then move the nozzle 3 steps down
      G92 Z0 because it needs more down
      move 2 more steps down
      then the nozzle is a paper thick from my bed.
      M500 to save it

      then G30 S-1 to see if it works

      and then it goes the same as when i start

      i have a config_overide.g but there is no code that related to this only my pid tune

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      • dc42
        dc42 administrators last edited by

        M500 only saves parameters that are determined automatically, for example by tuning and auto calibration. It used to save the G31 Z probe trigger height value too, but we removed that by default because it was confusing too many users. So you need to measure the Z probe trigger height and edit that value into the G31 command in config.g using the System Editor page of DWC.

        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

        mickey30m 1 Reply Last reply Reply Quote 0
        • mickey30m
          mickey30m @dc42 last edited by

          @dc42 the trigger height i already put there, sorry i forgot to say

          G31 P25 X-10 Y-50 Z-2.332 ; Z probe trigger value, offset in relation to nozzle.

          dc42 1 Reply Last reply Reply Quote 0
          • dc42
            dc42 administrators @mickey30m last edited by

            @mickey30m said in M5000 dont work?:

            G31 P25 X-10 Y-50 Z-2.332 ; Z probe trigger value, offset in relation to nozzle.

            A trigger height of Z-2.332 doesn't make sense because it means that the probe triggers when the nozzle is 2.332mm below the bed surface.

            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

            mickey30m 1 Reply Last reply Reply Quote 0
            • mickey30m
              mickey30m @dc42 last edited by

              @dc42 so it needs a postive value?

              dc42 1 Reply Last reply Reply Quote 0
              • dc42
                dc42 administrators @mickey30m last edited by

                @mickey30m said in M5000 dont work?:

                @dc42 so it needs a postive value?

                Yes, except for nozzle-to-bed contact sensors.

                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

                mickey30m 1 Reply Last reply Reply Quote 0
                • mickey30m
                  mickey30m @dc42 last edited by

                  @dc42 many thanks, i think i get it now

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