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    Bed Heating Issue

    Scheduled Pinned Locked Moved
    Duet Hardware and wiring
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    • PatCubundefined
      PatCub
      last edited by

      New installation of a Duet2 WiFi running firmware 3.0 on a Leapfrog Creatr HS which runs on 24v and has a 24v bed heater.
      Cannot get bed to heat by activating heat bed in Tools menu.
      Getting warning stating to long to heat.
      By using M303 bed will heat to 60c then I can activate bed heating in Tools menu and will then regulate heating as normal.
      Have run M303 several times with M501 at end of /sys/config.g
      Also tried PID and Bang Bang

      Thanks

      08/05/2020, 17:50:53 M500
      08/05/2020, 17:50:23 Upload of config.g successful after 0s
      08/05/2020, 17:38:18 Auto tune phase 3, peak temperature was 60.5
      08/05/2020, 17:38:08 Auto tune phase 2, heater off
      08/05/2020, 17:29:20 Auto tune phase 1, heater on
      08/05/2020, 17:29:14 M303 H0 S60
      Auto tuning heater 0 using target temperature 60.0°C and PWM 1.00 - do not leave printer unattended

      Thanks

      M569 P0 S0 ; X servo physical drive 0 goes backwards
      M569 P2 S1 ; Y servo physical drive 2 goes forwards
      M569 P1 S0 ; Z servo physical drive 1 goes backwards
      M569 P3 S1 ; physical drive 3 goes forwards
      M569 P4 S0 ; physical drive 4 goes backwards
      M584 X0 Y2 Z1 E3:4 ; set drive mapping
      M350 X16 Y16 Z16 E16:16 I1 ; configure microstepping with interpolation
      M92 X66.67 Y66.67 Z960.00 E97.01:97.01 ; set steps per mm
      M566 X900.00 Y900.00 Z12.00 E120.00:120.00 ; set maximum instantaneous speed changes (mm/min)
      M203 X24000.00 Y24000.00 Z250.00 E1500.00:1500.00 ; set maximum speeds (mm/min)
      M201 X500.00 Y500.00 Z100.00 E1000.00:1000.00 ; set accelerations (mm/s^2)
      M906 X1000 Y1000 Z1500 E1500:1500 I20 ; set motor currents (mA) and motor idle factor in per cent
      M84 S30 ; Set idle timeout

      ; Axis Limits
      M208 X0 Y0 Z0 S1 ; set axis minima
      M208 X240 Y280 Z180 S0 ; set axis maxima

      ; Endstops
      M574 X2 S1 P"xstop" ; configure active-high endstop for low end on X via pin xstop
      M574 Y2 S1 P"ystop" ; configure active-high endstop for low end on Y via pin ystop
      M574 Z1 S0 P"zstop" ; configure active-low endstop for low end on Z via pin zstop

      ; Z-Probe
      M558 P1 C"zprobe.in+zprobe.mod" H5 F120 T6000 ; set Z probe type to unmodulated and the dive height + speeds
      G31 P500 X0 Y0 Z2.5 ; set Z probe trigger value, offset and trigger height
      M557 X15:215 Y15:195 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
      M143 H0 S120 ; set temperature limit for heater 0 to 120C
      M307 H0 B0 S1.00 ; disable bang-bang mode for the bed heater and set PWM limit
      M140 H0 ; map heated bed to heater 0

      M308 S1 P"e0temp" Y"thermistor" T100000 B4138 ; configure sensor 1 as thermistor on pin e0temp
      M950 H1 C"e0heat" T1 ; create nozzle heater output on e0heat and map it to sensor 1
      M143 H1 S280 ; set temperature limit for heater 1 to 280C
      M307 H1 B1 S1.00 ; disable bang-bang mode for heater and set PWM limit

      M308 S2 P"e1temp" Y"thermistor" T100000 B4138 ; configure sensor 2 as thermistor on pin e1temp
      M950 H2 C"e1heat" T2 ; create nozzle heater output on e1heat and map it to sensor 2
      M143 H2 S280 ; set temperature limit for heater 2 to 280C
      M307 H2 B1 S1.00 ; disable bang-bang mode for heater and set PWM limit

      ; Fans
      M950 F0 C"fan0" Q500 ; Extruder Fan create fan 0 on pin fan0 and set its frequency
      M106 F0 H-1 S1 ; set fan 0 value. Thermostatic control is turned off

      M950 F1 C"fan1" Q500 ; Board Cooling Fan
      M106 P1 T45:65 H100:101:102 ; Starts to turn on when the MCU temperature reaches 45C and reaches full speed when the MCU temperature reaches 65C

      M950 F2 C"fan2" Q500 ; Hot End Cooling Fan create fan 1 on pin fan1 and set its frequency
      M106 P2 T45 S0.7 H1:2 ; set fan 1 value. Thermostatic control is turned on

      ; Tools
      M563 P0 S"Extruder 0" 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

      M563 P1 S"Extruder 1" D1 H2 F0 ; define tool 1
      G10 P1 X15.01 Y0 Z0 ; set tool 1 axis offsets
      G10 P1 R0 S0 ; set initial tool 1 active and standby temperatures to 0C

      Peter_3Dundefined 1 Reply Last reply Reply Quote 0
      • Peter_3Dundefined
        Peter_3D @PatCub
        last edited by

        @PatCub Hi there - I also have a Leapfrog Creatr HS which I am thinking of converting to Duet3D electronics. Did you manage to overcome the heated bed issue you posted about? Also I was wondering if you used an auto bed levelling system such as BL Touch? Any help/advice you wish to share will be gratefully received. Peter

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