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    Any PWM Fan not working

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    • tommertensundefined
      tommertens
      last edited by

      Adding the M106 command didn't do anything unfortunately.

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      • number40fanundefined
        number40fan
        last edited by

        F10 at the end?

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        • tommertensundefined
          tommertens
          last edited by

          Yep, as below.

          M106 P0 S0.3 I0 H-1 F10 ; Set fan 0 value, PWM signal inversion and frequency. Thermostatic control is turned off
          M106 P1 S1 I0 F500 H1 T45 ; Set fan 1 value, PWM signal inversion and frequency. Thermostatic control is turned on
          M106 P2 S1 I0 F500 H1 T45 ; Set fan 2 value, PWM signal inversion and frequency. Thermostatic control is turned on

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          • number40fanundefined
            number40fan
            last edited by

            I don't have particular fan to try, but I do have a 40x40x30.

            M106 P1 H-1
            M563 P0 D0 H1 F0:1 is what I have in my config and I was able to PWM control it. Might be worth a shot.

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            • dc42undefined
              dc42 administrators
              last edited by

              @tommertens:

              Yep, as below.

              M106 P0 S0.3 I0 H-1 F10 ; Set fan 0 value, PWM signal inversion and frequency. Thermostatic control is turned off
              M106 P1 S1 I0 F500 H1 T45 ; Set fan 1 value, PWM signal inversion and frequency. Thermostatic control is turned on
              M106 P2 S1 I0 F500 H1 T45 ; Set fan 2 value, PWM signal inversion and frequency. Thermostatic control is turned on

              You have fan 0 set at 30% PWM and fans 1 and 2 in thermostatic mode. Not a good test. Try them in non thermostatic mode at 100% speed:

              M106 P0 S1 H-1
              M106 P1 S1 H-1
              M106 P2 S1 H-1

              Duet WiFi hardware designer and firmware engineer
              Please do not ask me for Duet support via PM or email, use the forum
              http://www.escher3d.com, https://miscsolutions.wordpress.com

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              • deckingmanundefined
                deckingman
                last edited by

                @tommertens:

                Yep, as below.

                M106 P0 S0.3 I0 H-1 F10 ; Set fan 0 value, PWM signal inversion and frequency. Thermostatic control is turned off
                M106 P1 S1 I0 F500 H1 T45 ; Set fan 1 value, PWM signal inversion and frequency. Thermostatic control is turned on
                M106 P2 S1 I0 F500 H1 T45 ; Set fan 2 value, PWM signal inversion and frequency. Thermostatic control is turned on

                As Tony asked, does it work if you set full on by using S1?

                If that works, then you could try S0.3 but use the B parameter to give it a blip https://duet3d.com/wiki/G-code#M106:_Fan_On

                Edit. I was typing at the same time as David

                Ian
                https://somei3deas.wordpress.com/
                https://www.youtube.com/@deckingman

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                • tommertensundefined
                  tommertens
                  last edited by

                  It doesn't work with S1 either. Neither did the F0:1 line.

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                  • tommertensundefined
                    tommertens
                    last edited by

                    Here is my config.

                    ; CoreXY sample config file for dc42 Duet firmware
                    
                    M111 S0                             ; Debug off
                    M550 PMyCoreXY				        ; Machine name (can be anything you like)
                    M551 Preprap                        ; Machine password (used for FTP connections)
                    M540 P0xBE:0xEF:0xDE:0xAD:0xFE:0xED ; MAC Address
                    ;*** Adjust the IP address and gateway in the following 2 lines to suit your network
                    M552 S1 P0.0.0.0						; IP address (0 = use DHCP)
                    M554 P192.168.1.1                   ; Gateway
                    M553 P255.255.255.0                 ; Netmask
                    M555 P1                             ; Set output to look like Marlin
                    M575 P1 B57600 S1					; Comms parameters for PanelDue
                    
                    ; Machine configuration
                    M569 P0 S0							; Drive 0 goes forwards (change to S0 to reverse it)
                    M569 P1 S1							; Drive 1 goes forwards
                    M569 P2 S0							; Drive 2 goes forwards
                    M569 P3 S1							; Drive 3 goes forwards
                    M569 P4 S1							; Drive 4 goes forwards
                    ; If you use an endstop switch for Z homing, change Z0 to Z1 in the following line, and see also M558 command later in this file
                    M574 X1 Y1 Z0 S1					; set endstop configuration (X and Y and endstops only, at low end, active high)
                    M667 S1								; set CoreXY mode
                    M92 X80 Y80 Z800					; Set axis steps/mm
                    M92 E402:402						; Set extruder steps/mm
                    M906 X2000 Y2000 Z2000 E800           ; Set motor currents (mA)
                    M201 X600 Y500 Z5 E1000            ; Accelerations (mm/s^2)
                    M203 X15000 Y15000 Z500 E3600       ; Maximum speeds (mm/min)
                    M566 X600 Y600 Z30 E20              ; Maximum jerk speeds mm/minute
                    M208 X450 Y500 Z1083					; set axis maxima (adjust to suit your machine)
                    M208 X-8 Y0 Z-0.5 S1				; set axis minima (adjust to make X=0 and Y=0 the edges of the bed)
                    G21                                 ; Work in millimetres
                    G90                                 ; Send absolute coordinates...
                    M83                                 ; ...but relative extruder moves
                    
                    ; Z probe
                    M558 P1 X0 Y0 Z1                    ; Analog Z probe, also used for homing the Z axis
                    G31 Z1.20 P500                      ; Set the probe height and threshold (put your own values here)
                    ; The following M557 commands are not needed if you are using a bed.g file to perform bed compensation
                    ;*** Adjust the XY coordinates in the following M557 commands to suit your build and the position of the Z probe
                    M557 P0 X60 Y0                      ; Four... 
                    M557 P1 X60 Y165                    ; ...probe points...
                    M557 P2 X222 Y165                   ; ...for bed...
                    M557 P3 X222 Y0                     ; ...levelling
                    ;M557 P4 X141 Y82.5                 ; 5th probe point for levelling
                    
                    ; Thermistors and heaters
                    ;*** If you have a Duet board with 1K thermistor series resistors, change R4700 to R1000 to the following M305 commands
                    ; You can also use S and B parameters to define the parameters of the thermistors you are using
                    M305 P0 R4700 H0 L0					; Put your own H and/or L values here to set the bed thermistor ADC correction
                    M305 P1 R4700 H0 L0					; Put your own H and/or L values here to set the first nozzle thermistor ADC correction
                    M305 P2 R4700 H0 L0					; Put your own H and/or L values here to set the second nozzle thermistor ADC correction
                    M301 H1 P10 I0.10 D100 T0.50 S1.0	; PID settings for extruder 0
                    M301 H2 P10 I0.10 D100 T0.50 S1.0	; PID settings for extruder 1
                    M570 S120							; Increase to allow extra heating time if needed
                    
                    ; Tool definition
                    M563 P0 D0 H1 F0                  ; Define tool 0
                    G10 P0 S0 R0                        ; Set tool 0 operating and standby temperatures
                    ;*** If you have a dual-nozzle build, un-comment the following 3 lines
                    M563 P1 D1 H2 F0                     ; Define tool 1
                    G10 P1 S0 R0                       ; Set tool 1 operating and standby temperatures
                    
                    ;*** If you are using axis compensation, put the figures in the following command
                    M556 S78 X0 Y0 Z0                   ; Axis compensation here
                    T0									; select first hot end
                    
                    ; Fan Configuration
                    M106 P0 H-1 B0.2
                    M106 P1 H-1	B0.2
                    M106 P2 H-1	B0.2
                    
                    
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                    • number40fanundefined
                      number40fan
                      last edited by

                      Can you confirm that you are getting 12 volts and a ground out of the connection that you are using?

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                      • tommertensundefined
                        tommertens
                        last edited by

                        I would have done but upon attempting to check with the multimeter I slipped and shorted something out. Board is dead.

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                        • dc42undefined
                          dc42 administrators
                          last edited by

                          I'm sorry to hear of your misfortune. Is the board completely dead, or just the fan outputs?

                          Duet WiFi hardware designer and firmware engineer
                          Please do not ask me for Duet support via PM or email, use the forum
                          http://www.escher3d.com, https://miscsolutions.wordpress.com

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