Error: New tool too close to Z axis limit. Aborting tool change

Daniel_Lacroix

I printed some new carriage adapters for my delta printer and am now getting this error when homing then activating the hotend:

Here is my config.g:

; Configuration file for Duet WiFi (firmware version 3)
; executed by the firmware on start-up
;
; generated by RepRapFirmware Configuration Tool v3.1.4 on Mon Jul 20 2020 19:57:06 GMT-0500 (Central Daylight Time)

; General preferences
G90 ; send absolute coordinates...
M83 ; ...but relative extruder moves
M550 P"Anycubic Predator" ; set printer name
M665 R227 L440.45 B185 H410 ; 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 P192.168.86.37 S1 ; enable network and acquire dynamic address via DHCP
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 S0 ; 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 E3300 ; set steps per mm (TPU)
M92 X80.00 Y80.00 Z80.00 E4500 ; set steps per mm (PLA)
M566 X1500.00 Y1500.00 Z1500.00 E40.00 P1 ; set maximum instantaneous speed changes (mm/min)
M203 X18000.00 Y18000.00 Z18000.00 E10000.00 ; set maximum speeds (mm/min)
M201 X1500.00 Y1500.00 Z1500.00 E120.00 ; set accelerations (mm/s^2)
M906 X1000 Y1000 Z1000 E1000 I30 ; set motor currents (mA) and motor idle factor in per cent
M84 S30 ; Set idle timeout

; Retraction
; M207 S1 F1800 Z0.388 ; Firmware retraction

; Axis Limits
M208 Z0 S1 ; set minimum Z

; Endstops
M574 X2 S1 P"xstop" ; configure active-high endstop for high end on X via pin xstop
M574 Y2 S1 P"ystop" ; configure active-high endstop for high end on Y via pin ystop
M574 Z2 S1 P"zstop" ; configure active-high endstop for high end on Z via pin zstop
; M591 D0 P7 C"e0stop" L7 R50:200 E15 S1 ; filament sensor connected to e0_stop

; Z-Probe
M558 P8 R0.4 C"zprobe.in+zprobe.mod" H10 F1200 T6000 ; set Z probe type to effector and the dive height + speeds
G31 P100 X0 Y0 Z.1 ; set Z probe trigger value, offset and trigger height
M557 R180 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 A137.8 C533.3 D1.5 V24.3 B0 ; disable 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"e0temp" Y"pt1000" R4700 ; configure sensor 1 as PT1000 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

; Fans
M950 F0 C"fan0" Q500 ; create fan 2 on pin fan2 and set its frequency
M106 P2 S0 H-1 ; set fan 2 value. Thermostatic control is turned off

; Tools
M563 P0 S"Hotend" 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
M572 D0 S0.2 ; pressure advance

; Miscellaneous
M911 S10 R11 P"M913 X0 Y0 G91 M83 G1 Z3 E-5 F1000" ; set voltage thresholds and actions to run on power loss
M501 ; set the active parameters to those stored in sys/config-override.g

and my homedelta.g:

; homedelta.g
; called to home all towers on a delta printer
;
; generated by RepRapFirmware Configuration Tool v3.1.4 on Mon Jul 20 2020 19:57:06 GMT-0500 (Central Daylight Time)
G91 ; relative positioning
G1 H1 X505 Y505 Z505 F1800 ; move all towers to the high end stopping at the endstops (first pass)
G1 H2 X-5 Y-5 Z-5 F1800 ; 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 ; move X+Y to the centre

Phaedrux

@daniel_lacroix said in Error: New tool too close to Z axis limit. Aborting tool change:

;G1 Z-5 F6000 ; move down a few mm so that the nozzle can be centred

You may need to uncomment this line to move your print head down and away from the tower limits.

Daniel_Lacroix

@phaedrux This solved it. Thanks