Homing one axis changes the position of the other axis
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Can you post your config.g and homing files?
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; Configuration file for Duet WiFi (firmware version 1.20 or newer)
; executed by the firmware on start-up
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; generated by RepRapFirmware Configuration Tool on Sun Mar 11 2018 10:55:11 GMT-0400 (AST); General preferences
G90 ; Send absolute coordinates...
M83 ; ...but relative extruder movesM667 S1 ; Select CoreXY mode
; Network
M550 PHypercube Evolution ; Set machine name
M552 S1 ; Enable network
M587 S"HomeWiFi" P"xxxxxx" I192.168.0.132 J192.168.1.254 K255.255.255.0 ; Configure access point and IP addresses. You can delete this line once connected
M586 P0 S1 ; Enable HTTP
M586 P1 S0 ; Disable FTP
M586 P2 S0 ; Disable Telnet; Drives
M569 P0 S1 ; Drive 0 goes forwards
M569 P1 S1 ; Drive 1 goes forwards
M569 P2 S1 ; Drive 2 goes forwards
M569 P3 S0 ; Drive 3 goes backwards
M569 P4 S0 ; Drive 4 goes backwards
;M584 X0 Y1 Z2 E4 ; Apply custom drive mapping
M350 X16 Y16 Z16 E16:16 I1 ; Configure microstepping with interpolation
M92 X80 Y80 Z800 E418:418 ; Set steps per mm
M566 X600 Y600 Z20 E120:120 ; Set maximum instantaneous speed changes (mm/min)
M203 X6000 Y6000 Z300 E1200:1200 ; Set maximum speeds (mm/min)
M201 X500 Y500 Z300 E250:250 ; Set accelerations (mm/s^2)
M906 X600 Y600 Z600 E800:800 I30 ; Set motor currents (mA) and motor idle factor in per cent
M84 S30 ; Set idle timeout
;M572 D0 S0.5 ; Pressure advance for Extruder0
;M572 D1 S0.5 ; Pressure advance for Extruder1; Axis Limits
M208 X0 Y0 Z0 S1 ; Set axis minima
M208 X265 Y285 Z270 S0 ; Set axis maxima; Endstops
M574 X1 Y1 S3 ; set endstops to use motor stall; Z-Probe
M574 Z1 ; Set endstops controlled by probe
M558 P7 H5 F120 T6000 ; Set Z probe type to switch, and the dive height, speeds
G31 P500 X0 Y0 Z-0.1 ; offset and trigger height
M557 X25:265 Y5:285 S80 ; Define mesh grid
M376 H10 ; Fade distance; Heaters
M304 P377.6 I11.413 D531.8
M305 P0 T100000 B3950 R4700 H1 L0
M143 H0 S120 ; Set temperature limit for heater 0 to 120C
M301 H2 P12.6 I0.584 D35.7
M305 P2 T100000 B3950 R4700 H1 L0 ; Set thermistor + ADC parameters for heater 1
M143 H2 S280 ; Set temperature limit for heater 1 to 280C; Fans
M106 P0 S0 I0 F500 H-1 ; Set fan 0 value, PWM signal inversion and frequency. Thermostatic control is turned off
M106 P1 S1 I0 F500 H1 T45 ; Set fan 1 value, PWM signal inversion and frequency. Thermostatic control is turned on
M106 P2 S1 I0 F500 H1 T45 ; Set fan 2 value, PWM signal inversion and frequency. Thermostatic control is turned on; Tools
M563 P0 D1 H2 ; 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; Automatic saving after power loss is not enabled
; Custom settings are not configured
; Miscellaneous
T0 ; Select first tool -
; homex.g
; called to home the X axis
;M400 ; make sure everything has stopped before we make changes
M913 X60 ; reduce motor current to 50% to prevent belts slipping unfiltered
M915 P0:1 S3 R0 F0G91 ; use relative positioning
G1 S1 X-325 F3000 ; move to home position
G1 X25 F2000 ; back off to edge of bedG90 ; back to absolute positioning
M400
M913 X100 Y100 ; motor currents back to normal -
How bout the other axis homing files?
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; homez.g
; called to home the Z axis
;; Drop the bed for travel
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G91 ; Relative positioning
G1 Z10 F200 S2 ; Lower bed 5mm to ensure it is below the switch trigger height; Move probe into position
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M98 homex.g
M98 homey.gG90 ; absolute positioning
G1 X145 Y145 F4000 ; Move x and Y axis over to bed center so probe is on top of bed; Set lower speeds for homing
M566 Z5 ; Set maximum instantaneous speed changes (mm/min) (Jerk)
M203 Z400 ; Set maximum speeds (mm/min)
M201 Z100 ; Set maximum accelerations (mm/s^2); Probe the bed
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M558 A1 F350 ; Set single probing at faster feed rate
G30 ; Do a single probe to home our Z axis; Set normal speeds again
M566 Z12 ; Set maximum instantaneous speed changes (mm/min) (Jerk)
M203 Z300 ; Set maximum speeds (mm/min)
M201 Z300 ; Set maximum accelerations (mm/s^2) -
Forum says I'm a newbie so I have to wait one minute before posts
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I guess you could have put them all into one post. But I guess that's one way to get your post count up.
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Are you using mesh grid bed compensation?
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Yes I am
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Try disabling it and see if it behaves the same. Just a hunch but maybe it's not applying correction during homing moves, keeping the z fixed, but it still knows the height based on the height map and displays the actual height.
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