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    How to Control Part cooling Fan

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    • Keith53undefined
      Keith53
      last edited by

      I have the Duet2 Ethernet setup on my printer. I an now working on the start and end code to put in Cura. I am running the newest firmware 3.0. I have the Extruder fan plugged into FAN0 and part fan in FAN1.

      The Extruder fan will turn on and off when the hot end reaches the set temp. I usually do not want the part fan to turn on until the first layer is finished. I know I could set T to a large number at the start but how do I get this setup so Cura will turn it on after the first layer?

      ; Fans
      M950 F0 C"fan0" Q500 ; create fan 0 on pin fan0 and set its frequency
      M106 P0 S0 H T60 ; set fan 0 value. Thermostatic control is turned on
      M950 F1 C"fan1" Q500 ; create fan 1 on pin fan1 and set its frequency
      M106 P1 S1 H1 T60 ; set fan 1 value. Thermostatic control is turned on

      Phaedruxundefined 1 Reply Last reply Reply Quote 0
      • Phaedruxundefined
        Phaedrux Moderator @Keith53
        last edited by

        @Keith53 said in How to Control Part cooling Fan:

        M106 P1 S1 H1 T60 ; set fan 1 value. Thermostatic control is turned on

        Change H1 to H-1 to disable thermostatic control.

        Also, you've got an H but no 1 for fan0. It looks like it's defaulting to H1 anyway, but you may still want to correct it.

        M106 P0 S0 H T60 ; set fan 0 value. Thermostatic control is turned on

        Z-Bot CoreXY Build | Thingiverse Profile

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        • Keith53undefined
          Keith53
          last edited by

          Thanks

          How do I setup Cura to post the Fan on after the first layer? Cura is putting in M107 and M106 S255

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          • Phaedruxundefined
            Phaedrux Moderator
            last edited by

            I believe you can specify the fan number in Cura in the printer settings.

            Z-Bot CoreXY Build | Thingiverse Profile

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