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    How to prevent heater faults for disconnected extruders?

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    Duet Hardware and wiring
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    • jmlundefined
      jml
      last edited by

      I have a few extruders, but sometimes I'd prefer to unmount one or more of them. When they are disconnected, the temperature reading is 2000C. What is a safe way to prevent heater faults in this case?

      jmlundefined 1 Reply Last reply Reply Quote 0
      • jmlundefined
        jml @jml
        last edited by

        I don't want to have to change the config file each time, but I am willing to change the firmware if necessary.

        1 Reply Last reply Reply Quote 0
        • T3P3Tonyundefined
          T3P3Tony administrators
          last edited by

          Do you actually get errors (other than the 2000 reported?)

          www.duet3d.com

          jmlundefined 1 Reply Last reply Reply Quote 0
          • jmlundefined
            jml @T3P3Tony
            last edited by jml

            @t3p3tony yes, hopefully the image attachment works: alt text

            https://pasteboard.co/HD3fdt7.jpg

            T3P3Tonyundefined 1 Reply Last reply Reply Quote 0
            • T3P3Tonyundefined
              T3P3Tony administrators @jml
              last edited by

              @jml but you are trying to use a tool that is not connected? If you do not call the Tn for the disconnected tool for you still get the errors?

              www.duet3d.com

              jmlundefined 1 Reply Last reply Reply Quote 0
              • jmlundefined
                jml @T3P3Tony
                last edited by

                @t3p3tony I thought I wasn't, but then checking the g-code, the slicer referenced the unused extruders (setting them to temperature 0). I removed these lines manually and it seems to have fixed it!

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