Duet3D Logo Duet3D
    • Tags
    • Documentation
    • Order
    • Register
    • Login

    No hotend reaction

    Scheduled Pinned Locked Moved
    Duet Hardware and wiring
    2
    5
    753
    Loading More Posts
    • Oldest to Newest
    • Newest to Oldest
    • Most Votes
    Reply
    • Reply as topic
    Log in to reply
    This topic has been deleted. Only users with topic management privileges can see it.
    • QuickNickundefined
      QuickNick
      last edited by

      Hi,

      I´m a beginner with 3D Printers. And now I have a serious problem with my Duet 0.8.5. When I want to switch on the hotend with pronterface, nothing is gonna happen. The LED which should light up also doesn´t show any reaction. The heat element (incl. wires) and the thermistor is working fine. I checked both of the hot end plugs and none of them is showing a voltage output.

      Cheers
      Nico

      1 Reply Last reply Reply Quote 0
      • deckingmanundefined
        deckingman
        last edited by

        Hi Nico,

        It sounds like a configuration issue so post your config.g so that we know where to start looking. Also, it would help if you can tell us a bit about your printer, like is it a Cartesian or delta, how many extruders does it have, what voltage your power supply and heater are etc.. Just basic stuff to help us understand your problem.

        Ian

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

        1 Reply Last reply Reply Quote 0
        • QuickNickundefined
          QuickNick
          last edited by

          Hi Ian,

          I have a Kossel XL with only one extruder. I am using the dc42Kossel config:

          [; Configuration file for dc42 Kossel
          
          ; Communication and general
          M111 S0                             ; Debug off
          M550 PKossel		        		; Machine name (can be anything you like)
          M551 Preprap                        ; Machine password (used for FTP)
          M540 P0xBE:0xEF:0xDE:0xAD:0xFE:0x42 ; MAC Address
          ;*** Adjust the IP address and gateway in the following 2 lines to suit your network
          M552 P192.168.0.14					; IP address (0 = use DHCP)
          M554 P192.168.1.10                  ; Gateway
          M553 P255.255.255.0                 ; Netmask
          M555 P2                             ; Set output to look like Marlin
          M575 P1 B57600 S1                   ; Set auxiliary serial port baud rate and require checksum (for PanelDue)
          
          ; Axis and motor configuration
          M569 P0 S1							; Drive 0 goes forwards
          M569 P1 S1							; Drive 1 goes forwards
          M569 P2 S1							; Drive 2 goes forwards
          M569 P3 S0							; Drive 3 goes backwards
          M569 P4 S0							; Drive 4 goes backwards
          M574 X2 Y2 Z2 P1 S1					; set endstop configuration (all endstops at high end, active high)
          
          M665 L333 R213.5 H288 B150 X0 Y0	; set delta radius, diagonal rod length, printable radius, homed height and XY tower corrections
          M666 X0 Y0 Z0						; put your endstop adjustments here, or use auto calibration to find them
          M92 X160 Y160 Z160					; Set axis steps/mm (20 tooth pulleys, 0.9deg/step motors)
          M906 X1000 Y1000 Z1000 E800			; Set motor currents (mA)
          M201 X3000 Y3000 Z3000 E1000		; Accelerations (mm/s^2)
          M203 X18000 Y18000 Z18000 E3600		; Maximum speeds (mm/min)
          M566 X600 Y600 Z600 E600			; Maximum instant speed changes
          G21                                 ; Work in millimetres
          G90                                 ; Send absolute coordinates...
          M83                                 ; ...but relative extruder moves
          
          ; Thermistors and heaters
          M305 P0 T100000 B3950 R4700 H0 L0	; Typical Chinese bed thermistor. Put your own H and/or L values here to set the bed thermistor ADC correction.
          M305 P1 T100000 B4388 R4700 H0 L0	; E3Dv6 hot end. Put your own H and/or L values here if necessary to set the first nozzle thermistor ADC correction.
          M301 H0 P20 I0.5 D1000 T0.85 W150 B5 ; PID settings for the bed
          M301 H1 P10 I0.10 D100 T0.50		; PID settings for extruder 0
          M570 S200							; Allow extra heating time
          M106 P1 T45 H1						; Hot-End Lüfter beginnt erst bei 45°C
          
          ; Tool definitions
          M563 P0 D0 H1                       ; Define tool 0
          G10 P0 S0 R0                        ; Set tool 0 operating and standby temperatures
          M92 E420	                       	; Set extruder steps per mm for first and second extruders
          
          ; Z probe and compensation definition
          M558 P1 X0 Y0 Z0 H3 F300 T12000		; Z probe is IR and is not used for homing any axes, Z probe dive height 3mm, probing speed 300mm/min, travel speed 12000mm/min
          G31 X0 Y0 Z1.66 P500				; Set the zprobe offset and threshold (put your own values here). For a delta, use zero X and Y offset.
          
          ;*** If you are using axis compensation, put the figures in the following command
          M556 S78 X0 Y0 Z0                   ; Axis compensation here
          
          M207 S7.0 F3600 Z0.1				; Set firmware retraction details
          M572 D0 S0.1						; set pressure advance
          
          T0									; select first print head
          ]
          
          
          1 Reply Last reply Reply Quote 0
          • QuickNickundefined
            QuickNick
            last edited by

            Ok, I found the bug. I don´t know why that is so, but never mind. I changed the wire orientation of the thermistor and that was it. Is there any diode in the thermistor or why the orientation matters? I thought that a thermistor is a restistor with a almost linear restistance dependency to the temperature.

            1 Reply Last reply Reply Quote 0
            • deckingmanundefined
              deckingman
              last edited by

              @QuickNick:

              Ok, I found the bug. I don´t know why that is so, but never mind. I changed the wire orientation of the thermistor and that was it. Is there any diode in the thermistor or why the orientation matters? I thought that a thermistor is a restistor with a almost linear restistance dependency to the temperature.

              I thought so too - it shouldn't matter which wire goes to which side of the thermistor. Maybe you have a bad connection somewhere which coincidentally got disturbed when you were swapping wires? I can't see anything obviously wrong with your configuration.

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

              1 Reply Last reply Reply Quote 0
              • First post
                Last post
              Unless otherwise noted, all forum content is licensed under CC-BY-SA