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    Z axis endstop not working

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    Duet Hardware and wiring
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    • GeckoBox3Dundefined
      GeckoBox3D
      last edited by

      As said above, it will not work for me. The light comes on, and if I trigger it by hand it will go off but it will not stop the axis from moving when homing. The X and Y work fine. I've tried this with an opto and mechanical endstop now. At first, i believed it was just issues with badly designed opto switches as described elsewhere, so I switched and it still does not work.

      My switches are wired to NC, low end of the axis and set to active high in the firmware. Any help would really be appreciated

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      • dc42undefined
        dc42 administrators
        last edited by

        You probably have your homez.g and homeall.g to use a Z probe instead of an endstop for Z homing. See https://duet3d.com/wiki/Configuring_RepRapFirmware_for_a_Cartesian_printer#Homing_files. Also make sure you declare your Z endstop switch in the M574 command in config.g.

        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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        • GeckoBox3Dundefined
          GeckoBox3D
          last edited by

          Thanks for the quick reply! That is exactly the issue it would seem…. I set up the firmware via the online configuration tool and that has a lot of options for Z probing, but at no point does it have the option of not using a z probe.

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          • brianundefined
            brian
            last edited by

            I also used the configuration tool, on my Cartesian printer and there is no option for not using a probe. My x and y endstops work, now, but z will not. I know the wiring is correct, but theres something in the config.g file that doesnt work or something not in there. The documentation doesnt cover this problem effectively. Someone must know how to fix this i'm sure.

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            • elmoretundefined
              elmoret
              last edited by

              @brian:

              I also used the configuration tool, on my Cartesian printer and there is no option for not using a probe.

              Isn't this an option for not using a probe?

              @brian:

              My x and y endstops work, now, but z will not. I know the wiring is correct, but theres something in the config.g file that doesnt work or something not in there. The documentation doesnt cover this problem effectively. Someone must know how to fix this i'm sure.

              Homing with a microswitch instead of a probe is in the wiki, in fact it is linked two posts up.

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