Issue with Homing Z Axis BL Touch
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Hello everyone,
I am posting this message on the forum because I am currently refurbishing my machine (Creality Ender 3 Pro). I have a Duet 2 WiFi and a BL Touch. I have an issue when I try to "home all" or "home Z". The printer correctly homes the X and Y axes using the original endstops, but not the Z axis. I believe the problem lies in my configuration files (config / homeall / homez). The sensor is properly connected, but I think it is not correctly declared in the configuration file of the board.
Thank you for your help!
Config file :; Configuration file for Duet WiFi (firmware version 3.3) ; executed by the firmware on start-up ; ; generated by RepRapFirmware Configuration Tool v3.3.15 on Sat Dec 03 2022 18:32:56 GMT+0100 (heure normale d’Europe centrale) ; General preferences G90 ; send absolute coordinates... M83 ; ...but relative extruder moves M550 P"Ender 3 Pro" ; set printer name M918 P1 E4 F2000000 ; configure direct-connect display ; Network M551 P"kisskiss64" ; 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 backwards M569 P1 S0 ; physical drive 1 goes backwards M569 P2 S1 ; physical drive 2 goes forwards M569 P3 S0 ; physical drive 3 goes backwards M584 X0 Y1 Z2 E3 ; set drive mapping M350 X16 Y16 Z16 E16 I1 ; configure microstepping with interpolation M92 X80.00 Y80.00 Z400.00 E93.00 ; set steps per mm M566 X1200.00 Y1200.00 Z24.00 E300.00 ; set maximum instantaneous speed changes (mm/min) M203 X9000.00 Y9000.00 Z180.00 E6000.00 ; set maximum speeds (mm/min) M201 X500.00 Y500.00 Z100.00 E5000.00 ; set accelerations (mm/s^2) M906 X800 Y800 Z800 E1000 I50 ; 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 X235 Y235 Z260 S0 ; set axis maxima ; Endstops M574 X1 S1 P"xstop" ; configure switch-type (e.g. microswitch) endstop for low end on X via pin xstop M574 Y1 S1 P"ystop" ; configure switch-type (e.g. microswitch) endstop for low end on Y via pin ystop M574 Z1 S1 P"zstop" ; configure switch-type (e.g. microswitch) endstop for low end on Y via pin ystop ; Z-Probe M558 P9 H5 F120 T6000 ; set Z probe type to bltouch and the dive height + speeds G31 P500 X0 Y0 Z2.7 ; 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 B4092 ; 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 B0 S1.00 ; disable bang-bang mode for the bed heater and set PWM limit M140 H0 ; map heated bed to heater 0 M143 H0 S150 ; set temperature limit for heater 0 to 150C M308 S1 P"e0temp" Y"thermistor" T100000 B4092 ; 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 M307 H1 B0 S1.00 ; disable bang-bang mode for heater and set PWM limit M143 H1 S275 ; set temperature limit for heater 1 to 275C ; 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 M950 F2 C"fan2" Q500 ; create fan 2 on pin fan2 and set its frequency M106 P2 S1 H1:0 T45 ; set fan 2 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 definedHome all config file :
; homeall.g ; called to home all axes ; ; generated by RepRapFirmware Configuration Tool v3.3.15 on Sat Dec 03 2022 18:32:56 GMT+0100 (heure normale d’Europe centrale) G91 ; relative positioning G1 H2 Z5 F6000 ; lift Z relative to current position G1 H1 X-240 Y-240 F3000 ; move quickly to X and Y axis endstops and stop there (first pass) G1 H2 X5 Y5 F6000 ; go back a few mm G1 H1 X-240 Y-240 F240 ; move slowly to X and Y axis endstops once more (second pass) G1 H1 Z-265 F240 ; move Z down stopping at the endstop G90 ; absolute positioning G92 Z0 ; set Z position to axis minimum (you may want to adjust this) ; Uncomment the following lines to lift Z after probing ;G91 ; relative positioning ;G1 Z5 F100 ; lift Z relative to current position ;G90 ; absolute positioningHome Z config :
; homez.g ; called to home the Z axis ; ; generated by RepRapFirmware Configuration Tool v3.3.15 on Sat Dec 03 2022 18:32:56 GMT+0100 (heure normale d’Europe centrale) G91 ; relative positioning G1 H2 Z5 F6000 ; lift Z relative to current position G1 H1 Z-265 F3000 ; move Z down until the endstop is triggered G92 Z0 ; set Z position to axis minimum (you may want to adjust this) ; Uncomment the following lines to lift Z after probing ;G91 ; relative positioning ;G1 Z5 F100 ; lift Z relative to current position ;G90 ; absolute positioning -
@Iker you should have a G1 X130 Y130 move or similar to the middle of the bed and then a G30. Not a G1 H1 Z move
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@jay_s_uk Thanks for your time ! I have this error :
G28 Z
Error: in file macro line 7: G30: Z probe 0 not found; homez.g
; called to home the Z axis
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; generated by RepRapFirmware Configuration Tool v3.3.15 on Sat Dec 03 2022 18:32:56 GMT+0100 (heure normale d’Europe centrale)
G90
G1 X130 Y130 F6000
G30; Uncomment the following lines to lift Z after probing
;G91 ; relative positioning
;G1 Z5 F100 ; lift Z relative to current position
;G90 ; absolute positioning -
@Iker your z probe is setup incorrectly in config.g
I suggest you read here https://docs.duet3d.com/en/User_manual/Connecting_hardware/Z_probe_BLTouch#configuration
