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    RepRap Firmware M915 Error

    Tuning and tweaking
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    • bfpa40
      bfpa40 last edited by

      Im using RepRap Firmware v2.02RC5(RTOS) (2018-11-28b1)used on (Ender 3/Duet 2 Maestro)

      When issuing a home all In the GCode Console i get the following:

      5:56:53 PM Warning: M915 command is not supported
      5:56:40 PM G28
      Warning: M915 command is not supported

      While it looks like the printer sets itself up to the center of the hot bed, deploys the probe, retracts probe and raises a little, Im questioning the M915 Error. In the homeall.g file the 2 instances of the M915 command that fail are:

      M915 X S2 Y S3 R0 F0 ; set X and Y sensitivity, do nothing when stall, unfiltered

      M915 X S10 Y S10 R3 F0 ; set X and Y sensitivity to -0, when stall home XY and resume print, filtered so it takes 4 steps to figure out it has stalled

      Is the M915 command no longer Valid and if not what replaced it if anything? I have attaached a copy of the homeall.g file0_1552691091746_homeall.g.odt

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      • dc42
        dc42 administrators last edited by

        The TMC2224 drivers on the Duet maestro do not support stall detection. See https://duet3d.dozuki.com/Wiki/The_Duet_family_of_motion_control_electronics.

        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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        • bfpa40
          bfpa40 last edited by

          I took all of the scripts from elsewhere online and am trying to use it for my Ender 3. So basically I can remove those 2 lines since they are NOT doing anything. Is there an alternative way of doing the same thing? Something supported by the TMC224 Motors? Or better yet is there even a need for this?

          dc42 NOVAprint 2 Replies Last reply Reply Quote 0
          • dc42
            dc42 administrators @bfpa40 last edited by

            You can just remove those M915 lines.

            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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            • bfpa40
              bfpa40 last edited by

              Shall do thanks

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              • NOVAprint
                NOVAprint @bfpa40 last edited by

                @bfpa40 i know there is because I want it. I know there is a need because I want it. I also removes wires and failure points presented by endstops.

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