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    Partcooling Fan doesn't work anymore, Layertime Issue

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    • NeueKlasseundefined
      NeueKlasse
      last edited by NeueKlasse

      I noticed that the Partcoolingfan doesn't come on with the M106 command.
      in 3.1.1 the Function was no Problem, since 3.2 beta 4.1 and newer (also 3.2)
      i have this Issue
      config.g Picture:
      DUET 3.2 Part Coolingfan doesnt work.JPG

      on Start of Layer 2 theres 1 line in the Part gcode:
      M106 S153 (Fan at about 55%)

      i don't know where the issue comes from after the Firmwarechange....

      Manually set the Fan over DWC does work, but no M106 command does work...

      the other thing is that when i Add an X200 to the Extruderfan M106 the fan doesn't
      slow down....but it doesn't move with this max RPM command.

      i also noticed that Layertimes are always exactly the same as long as i don't use the DWC....
      DUET 3.2 Layertime.JPG

      (the ~150 Points are Exactly 2min and 3seconds when i have closed the Browser, and the last 3-4 points are when i opened DWC in the Browser.

      Prusa Mini, Chiron @ BMG X2
      Metal SLS Printer Development

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      • Vetiundefined
        Veti
        last edited by

        F-1:2

        I dont think that is valid

        which fans do you actually want to map?

        NeueKlasseundefined 1 Reply Last reply Reply Quote 1
        • NeueKlasseundefined
          NeueKlasse @Veti
          last edited by NeueKlasse

          @Veti

          Fan 1 as the Extruderfan for Tool0 and Tool1
          Starting at 70degree

          Fan 2 as the Partcoolingfan for Tool0 and Tool1

          It has worked with that code in 3.1.1

          Prusa Mini, Chiron @ BMG X2
          Metal SLS Printer Development

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          • Vetiundefined
            Veti
            last edited by

            -1 is not a valid fan

            fan 1 is temperature controlled and can not be assigned as a tool fan

            try just F2

            NeueKlasseundefined 2 Replies Last reply Reply Quote 1
            • NeueKlasseundefined
              NeueKlasse @Veti
              last edited by NeueKlasse

              @Veti

              I‘ll try to remove that -1 i don’t remember why it‘s there...

              Prusa Mini, Chiron @ BMG X2
              Metal SLS Printer Development

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              • NeueKlasseundefined
                NeueKlasse @Veti
                last edited by NeueKlasse

                @Veti Thanks, that was the Problem!

                because of the Other things,

                is it possible to Reduce the Speed/Voltage of the non PWM (24V) Fan over
                the Software config.g File? (the Jumper is set to VIN)
                X Parameter doesn' Work (FAN1)

                Prusa Mini, Chiron @ BMG X2
                Metal SLS Printer Development

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                • Vetiundefined
                  Veti
                  last edited by

                  some fans do not like to be pwm controlled an run at full speed or none

                  to change the speed you need to set the S parameter
                  speed is bettween 0 and 1 so try 0.5 or something.

                  if that does not work try adjusting the frequency
                  try default Q500, Q50 or Q25000

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