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    Cannot get hot end heater to work after change to RR3

    Scheduled Pinned Locked Moved
    Duet Hardware and wiring
    reprap firmware 3 hot end heater
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    • poorskeletonundefined
      poorskeleton
      last edited by

      Hi. I have just changed my Duet board (I had a fault on the heated bed which caused the last one to get very melty) and , while I have most things working now, I cannot get the hot end to work at all. I have check continuity from the board to the heater and that all looks fine but as soon as I try to turn it on I get a "Not heating up fast enough" error. In fact it's not heating up at all and even the E0Heater or E1 Heater LEDs on the board aren't lighting up. This is my first brush against RR3 and I've probably got something wrong in the configuration but I have now run out of knowledge and cannot see the error. What have I got wrong?

      TIA.

      ; Configuration file for Duet WiFi (firmware version 3.3)
      ; executed by the firmware on start-up
      ;
      ; generated by RepRapFirmware Configuration Tool v3.3.4 on Tue Oct 12 2021 19:20:39 GMT+0100 (British Summer Time)

      ; General preferences
      M575 P1 S1 B57600 ; enable support for PanelDue
      G90 ; send absolute coordinates...
      M83 ; ...but relative extruder moves
      M550 P"Rostock Max V2" ; set printer name
      M665 R140 L340.5 B130 H260 ; Set delta radius, diagonal rod length, printable radius and homed height
      M666 X0 Y0 Z0 ; put your endstop adjustments here, or let auto calibration find them

      ; Network
      M552 S1 ; enable network
      M586 P0 S1 ; enable HTTP
      M586 P1 S0 ; disable FTP
      M586 P2 S0 ; disable Telnet

      ; Drives
      M569 P0 S0 ; X physical drive 0 goes backwards
      M569 P1 S1 ; Y physical drive 1 goes forwards
      M569 P2 S0 ; Z physical drive 2 goes backwards
      M569 P3 S1 ; physical drive 3 goes forwards
      M584 X0 Y1 Z2 E3 ; set drive mapping
      M350 X16 Y16 Z16 E16 I1 ; configure microstepping with interpolation
      M92 X80.00 Y80.00 Z80.00 E663.00 ; set steps per mm
      M566 X1200.00 Y1200.00 Z1200.00 E1200.00 ; set maximum instantaneous speed changes (mm/min)
      M203 X18000.00 Y18000.00 Z18000.00 E1200.00 ; set maximum speeds (mm/min)
      M201 X1000.00 Y1000.00 Z1000.00 E1000.00 ; set accelerations (mm/s^2)
      M906 X1000 Y1000 Z1000 E800 I30 ; set motor currents (mA) and motor idle factor in per cent
      M84 S30 ; Set idle timeout

      ; Axis Limits
      M208 Z0 S1 ; set minimum Z

      ; Endstops
      M574 X2 S1 P"xstop" ; configure switch-type (e.g. microswitch) endstop for high end on X via pin xstop
      M574 Y2 S1 P"ystop" ; configure switch-type (e.g. microswitch) endstop for high end on Y via pin ystop
      M574 Z2 S1 P"zstop" ; configure switch-type (e.g. microswitch) endstop for high end on Z via pin zstop

      ; Z-Probe
      M558 P8 R0.4 C"zprobe.in+zprobe.mod" H5 F1200 T6000 ; set Z probe type to effector and the dive height + speeds
      M558 H30 ;*** Remove this line after delta calibration has been done and new delta parameters have been saved
      G31 P100 X0 Y0 Z-0.1 ; set Z probe trigger value, offset and trigger height
      M557 R85 S20 ; define mesh grid

      ; Heaters
      M308 S0 P"bedtemp" Y"thermistor" T100000 B4138 ; configure sensor 0 as thermistor on pin bedtemp
      M950 H0 C"bedheat" T0 ; create bed heater output on bedheat and map it to sensor 0
      M307 H0 B1 S1.00 R0.5 ; enable bang-bang mode for the bed heater and set PWM limit
      M140 H0 ; map heated bed to heater 0
      M143 H0 S120 ; set temperature limit for heater 0 to 120C
      M308 S1 P"spi.cs1" Y"rtd-max31865" ; configure sensor 1 as PT100 on pin spi.cs1
      M950 H1 C"e0temp" T1 ; create nozzle heater output on e0temp and map it to sensor 1
      M307 H1 B0 S1.00 ; disable bang-bang mode for heater and set PWM limit
      M143 H1 S325 ; set temperature limit for heater 1 to 325C

      ; Fans
      M950 F0 C"fan0" Q500 ; create fan 0 on pin fan0 and set its frequency
      M106 P0 S0 H-1 T45 ; 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 H1 T45 ; set fan 1 value. Thermostatic control is turned on

      ; Tools
      M563 P0 S"Hot End" D0 H1 F0 ; 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

      ; Custom settings are not defined

      ; Miscellaneous
      M501 ; load saved parameters from non-volatile memory

      G28 ; home all

      jay_s_ukundefined 1 Reply Last reply Reply Quote 0
      • jay_s_ukundefined
        jay_s_uk @poorskeleton
        last edited by

        @poorskeleton try tuning your hotend.
        Assuming its tool 0 M303 T0 H240

        Owns various duet boards and is the main wiki maintainer for the Teamgloomy LPC/STM32 port of RRF. Assume I'm running whatever the latest beta/stable build is

        poorskeletonundefined 1 Reply Last reply Reply Quote 0
        • poorskeletonundefined
          poorskeleton @jay_s_uk
          last edited by

          @jay_s_uk - HI Jay. I tried that but it's not responding at all. Just FYI It was working fine just before the board switch and, TBH there's not much to go wrong from a hardware POV. So it must be something I have in the config.

          jay_s_ukundefined 1 Reply Last reply Reply Quote 0
          • jay_s_ukundefined
            jay_s_uk @poorskeleton
            last edited by

            @poorskeleton M950 H1 C"e0temp" T1
            should be
            M950 H1 C"e0heat" T1

            Owns various duet boards and is the main wiki maintainer for the Teamgloomy LPC/STM32 port of RRF. Assume I'm running whatever the latest beta/stable build is

            poorskeletonundefined 1 Reply Last reply Reply Quote 0
            • poorskeletonundefined
              poorskeleton @jay_s_uk
              last edited by

              @jay_s_uk said in Cannot get hot end heater to work after change to RR3:

              M950 H1 C"e0heat" T1

              You bloody star - excellent. That worked.

              Thank you.

              1 Reply Last reply Reply Quote 1
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