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    G28 Error Homing failed

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    • Dr_Taragon
      Dr_Taragon last edited by

      Had issues with printer not moving.
      Updated firmawar to 3.0

      Now this: Can't home.

      Firmware Name: RepRapFirmware for Duet 2 WiFi/Ethernet
      Firmware Electronics: Duet WiFi 1.02 or later
      Firmware Version: 3.0 (2020-01-03b3)
      WiFi Server Version: 1.23
      Web Interface Version: 1.22.6

      Config.g

      ; Configuration file for Duet WiFi (firmware version 3)
      ; executed by the firmware on start-up
      ;
      ; generated by RepRapFirmware Configuration Tool v2.1.8 on Sat May 09 2020 17:24:43 GMT-0400 (heure d’été de l’Est)

      ; General preferences
      G90 ; send absolute coordinates...
      M83 ; ...but relative extruder moves
      M550 P"He3D_K280" ; set printer name
      M665 R181.9354 L344 B140 H615 ; 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
      M551 P"" ; set password
      M552 S1 ; enable network
      M586 P0 S1 ; enable HTTP
      M586 P1 S0 ; disable FTP
      M586 P2 S0 ; disable Telnet

      ; Drives
      M569 P0 S0 ; physical drive 0 goes forwards
      M569 P1 S0 ; physical drive 1 goes forwards
      M569 P2 S0 ; physical drive 2 goes forwards
      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 X1 S1 P"xstop" ; configure active-high endstop for low end on X via pin xstop
      M574 Y1 S1 P"ystop" ; configure active-high endstop for low end on Y via pin ystop
      M574 Z1 S1 P"null" ; configure active-high endstop for low end on Z via pin null

      ; Z-Probe
      ;M558 P1 C"zprobe.in+zprobe.mod" H5 F120 T6000 ; set Z probe type to unmodulated and the dive height + speeds
      ;M558 H30 ;*** Remove this line after delta calibration has been done and new delta parameters have been saved
      ;G31 P500 X0 Y0 Z2.5 ; 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
      M143 H0 S120 ; set temperature limit for heater 0 to 120C
      M307 H0 B1 S1.00 ; enable 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 B0 S1.00 ; disable bang-bang mode for heater and set PWM limit

      ; Fans
      M950 F0 C"fan0" Q500 ; create fan 0 on pin fan0 and set its frequency
      M106 P0 S0 H-1 ; 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 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

      ; homedelta.g
      ; called to home all towers on a delta printer
      ;
      ; generated by RepRapFirmware Configuration Tool v2.1.8 on Sat May 09 2020 17:24:43 GMT-0400 (heure d’été de l’Est)

           ; move X+Y to the centre
      

      ;G91 ; relative positioning
      ;*** Slow homing has been configured. Change F360 to F3600 below when your configuration is working
      ;G1 H1 X625 Y625 Z625 F360 ; move all towers to the high end stopping at the endstops (first pass)
      ;G1 H2 X-5 Y-5 Z-5 F3600 ; go down a few mm
      ;G1 H1 X10 Y10 Z10 F360 ; move all towers up once more (second pass)
      ;G1 Z-5 F6000 ; move down a few mm so that the nozzle can be centred
      ;G90 ; absolute positioning
      ;G1 X0 Y0 F6000

      G28.png

      So what's going on

      Phaedrux 1 Reply Last reply Reply Quote 0
      • Phaedrux
        Phaedrux Moderator @Dr_Taragon last edited by

        @Dr_Taragon said in G28 Error Homing failed:

        M574 Z1 S1 P"null" ; configure active-high endstop for low end on Z via pin null

        This probably has something to do with it. Try replacing null with zstop

        Z-Bot CoreXY Build | Thingiverse Profile

        1 Reply Last reply Reply Quote 0
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