Fan controll mismatch



  • Hi. Thanks for everyone’s help. This is a great forum.
    I seem to have a hardware fault on my F0 connector, so I have moved my hot end fan to F1 and my Filament or Parts cooling fan to F2.
    This has caused an addition fault when using the web interface. It still shows there is a Tool Fan as well as the other two fans. (see picture) I can control the other fans nicely from the web interface, but the extruder fan icon on the duet display controls nothing. I notice that when slicing the parts fan controller links to the wrong fan. Can I tie the F1 fan to the tool icon? Will this solve the problem or is there a better way to do this?

    tool.jpg

    My config.g is as below.
    ; Heaters
    M307 H1 S1.00 P10.7, I0.398, D45.9 B0 S1.00 ; USE PID ON NOZZLE
    M305 P0 T100000 B4138 C0 R4700 ; Set thermistor + ADC parameters for heater 0
    M143 H0 S120 ; Set temperature limit for heater 0 to 120C
    M305 P1 T100000 B4138 C0 R4700 ; Set thermistor + ADC parameters for heater 1
    M143 H1 S280 ; Set temperature limit for heater 1 to 280C

    ; Fans
    M106 P1 S255 I0 F500 L255 C"Hot End Fan Allways ON" H-1 ; Set fan 0 value, PWM signal inversion and frequency. Thermostatic control is turned off
    M106 P2 S255 I0 F500 C"Filament Fan" H-1 ; Set fan 1 value, PWM signal inversion and frequency. Thermostatic control is turned off
    ;M106 P3 S255 I0 F500

    ; Tools
    M563 P0 D0 H1 F1 S"Extruder" ; Define tool 0
    G10 P0 X0 Y0 Z0 ; Set tool 0 axis offsets
    G10 P0 R0 S0 ; Set initial tool 0 active and standby temperatures to 0C

    Thank you in advance.



  • You should set your hot end fan to "H1 T45" rather than "H-1". That way it will always come on when the temperature of the hot end is above 45 degrees, just incase you forget to turn it on.



  • Besides recomendation that jay_s_uk gave you, your tool fan definition is wrong. Tool fan is part cooling (filament in your case) fan, so your M563 command should incluse F2 instead of F1. Tool fan slider will be always visible and controls active tool fan. As you have only one tool, tool fan and filament fan are same for you.



  • @aidar Thanks. I did what you suggested. now the icons are correct as in, I have the tool fan and the filament fan. However the Tool fan is now off, no matter if I slide it to 100 or not. The filament fan works. ??? not sure whats missing?



  • maybe you didnt select activ tool? try command T0 before using tool fan slider.



  • @aidar said in Fan controll mismatch:

    T0

    Do I use TO in the console and send?
    When I boot the fan is on then switches off. The tool slider slides but the fan does not turn.



  • @aidar I selected the T0 still no joy. Seems like something in the gcode. What am i missing?

    ; Fans
    M106 P1 S255 I0 F500 L1.0 C"HotEnd Fan Allways ON "H1 T45" ; Set fan 0 value, PWM signal inversion and frequency. Thermostatic control is turned off
    M106 P2 S255 I0 F500 C"Filament Fan" H-1 ; Set fan 1 value, PWM signal inversion and frequency. Thermostatic control is turned off
    ;M106 P3 S255 I0 F500

    ; Tools
    M563 P0 D0 H1 F2 ; Define tool 0
    G10 P0 X0 Y0 Z0 ; Set tool 0 axis offsets
    G10 P0 R0 S0 ; Set initial tool 0 active and standby temperatures to 0C



  • I have printer with only one tool, so i put T0 command in my config.g file as last commant. With it, tool will be always active at boot up, so you dont have worry about it. Also pay attention - 0 in T0 command is number (0) not o or O



  • @aidar
    Yip it is T0 . I also only have the one tool I'll try T0 in the command and see.



  • @PeterA said in Fan controll mismatch:

    When I boot the fan is on then switches off. The tool slider slides but the fan does not turn.

    Now, are you talking about hotend fan? Your hotend fan is now thermostatically controlled and should come on when hotend temperature is above 45C. Tool fan is your filament fan and is gcode controlled. So it doesnt matter if you use tool fan slider or filament fan slider, result should be same.



  • Ok so it seems that the fan started to work when I heated up the hotend. ? is that a temp thing or did it happen because I turned the heater Tool on?



  • yeah, you messed up tool fan with hotend fan, as i wrote before, tool fan is part cooling (filament as you call it) fan, not hotend fan.



  • @aidar all good, so its related to the temp setting, T45 as soon as it hits 45 its on anything less and its off. Thanks it works for me


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