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    FANS.... CONFUSION

    Scheduled Pinned Locked Moved
    Tuning and tweaking
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    • mendeleviumundefined
      mendelevium
      last edited by

      I have two separate extruders, they are water-cooled so I do not need any cooling fans configured nor need any thermostatic control

      Hot end 0 has heater 0, Tool 0, Drive 0, heater 1 and Fan 0
      Hot end 1 has heater 1, Tool 1, Drive 1, heater 2 and Fan 1

      no thermostatically controlled fans

      in my config I have ....

      M563 P0 S"EXTRUDER 0" D0 H1 F0 ;TOOL 0 USES DRIVE 0 AND HEATER 1
      G10 P0 S0 R0 X-16.5 Y0 ; set tool 0 axis offsets
      M563 P1 S"EXTRUDER 1" D1 H2 F1 ; define tool 1
      G10 P1 S0 R0 X16.5 Y0 ; set tool 1 axis offsets

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

      when I switch the machine, Fan 2 switches on (status at power on is switched on- I do not want this.

      What I want to achieve is that I have two different PART COOLER FANS which I want to run by command independently.

      Thanks for any help.... It complicated...

      fcwiltundefined 1 Reply Last reply Reply Quote 0
      • fcwiltundefined
        fcwilt @mendelevium
        last edited by

        @mendelevium

        Hi,

        On your second M106 P1 S1 that S1 specifies full speed - change it to S0 and the fan will be off at power on.

        Frederick

        Printers: a E3D MS/TC setup and a RatRig Hybrid. Using Duet 3 hardware running 3.4.6

        1 Reply Last reply Reply Quote 2
        • mendeleviumundefined
          mendelevium
          last edited by

          Many thanks...
          That sorted it.

          1 Reply Last reply Reply Quote 0
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