Always different Z probe trigger height...

SPAX

Hello everybody.
I still can't start to print normally...First layer very poor. I have need to Baby Stepping +-1mm.
When I tying to calibrate the Z probe trigger height, I have always different value...
What I do:

Jog the nozzle down until it is just gripping a sheet of paper.
G92 Z0
Jog the head up by 5 to 5.8mm
G30 S-1
After repeat steps 1-4 for the other XY positions.

And received this results:

X0 Y0 3.781 3.775
X60 Y130 3,671 3,658
X-50 Y-100 3.491 3.485
X100 Y-110 3.529 3.516

Then I try to Auto Calibrate...

13:02:54M666
Endstop adjustments X0.08 Y-0.61 Z0.53, tilt X0.00% Y0.00%
13:02:36M665
Diagonals 484.350:484.350:484.350, delta radius 231.654, homed height 425.792, bed radius 190.0, X 0.943°, Y 0.626°, Z 0.000°
13:02:23G32
Calibrated 6 factors using 16 points, deviation before 0.176 after 0.107

13:03:45M666
Endstop adjustments X0.43 Y-0.84 Z0.41, tilt X0.00% Y0.00%
13:03:43M665
Diagonals 484.350:484.350:484.350, delta radius 231.967, homed height 425.853, bed radius 190.0, X 0.504°, Y 0.035°, Z 0.000°
13:03:40G32
Calibrated 6 factors using 16 points, deviation before 0.233 after 0.066

13:04:45M666
Endstop adjustments X0.13 Y-0.55 Z0.42, tilt X0.00% Y0.00%
13:04:44M665
Diagonals 484.350:484.350:484.350, delta radius 231.514, homed height 426.220, bed radius 190.0, X 1.075°, Y 0.688°, Z 0.000°
13:04:41G32
Calibrated 6 factors using 16 points, deviation before 0.172 after 0.083

13:06:17M666
Endstop adjustments X0.53 Y-1.02 Z0.49, tilt X0.00% Y0.00%
13:06:15M665
Diagonals 484.350:484.350:484.350, delta radius 232.251, homed height 425.637, bed radius 190.0, X 0.360°, Y 0.070°, Z 0.000°
13:06:12G32
Calibrated 6 factors using 16 points, deviation before 0.225 after 0.066

Firmware Version: 2.03 (2019-06-13b2)
WiFi Server Version: 1.23
Web Interface Version: 1.22.6

M111 S0 ; Debugging off
G21 ; Work in millimetres
G90 ; Send absolute coordinates...
M83 ; ...but relative extruder moves
M555 P2 ; Set firmware compatibility to look like Marlin

M665 M665 L484.350:484.350:484.350 R231.324 H426.042 B190.0 X1.009 Y1.687 Z0.000 ; Set diagonal rod length, delta radius, printable radius and homed height
M666 X-0.179 Y-0.944 Z1.123 A0.00 B0.00 ; Put your endstop adjustments here, or let auto calibration find them
M208 Z0.1 S1 ; Set minimum Z

; Endstops
M574 X2 Y2 Z2 S1 ; Set active high endstops
M558 P1 X0 Y0 Z0 F300 H5 T6000 ; Set Z probe type to unmodulated and the dive height + speeds
G31 P500 X15 Y15 Z3,6 ; Set Z probe trigger value, offset and trigger height
M557 R135 S14 ; Define mesh grid
M581 T2 E1 S0 ; Endstop E0 EMERGENCY

; Drives
M569 P0 S1 ; Drive 0 goes forwards
M569 P1 S1 ; Drive 1 goes forwards
M569 P2 S1 ; Drive 2 goes forwards
M569 P3 S1 ; Drive 3 goes forwards
M569 P4 S1 ; Drive 4 goes forwards
M92 X160 Y160 Z160 ; Set steps per mm
M92 E859 ; Set steps per mm Titan flying ABS &PLA
M350 X16 Y16 Z16 E16 I1 ; Configure microstepping without (I1 with) interpolation
M566 X1200 Y1200 Z1200 E900 ; Set maximum instantaneous speed changes (mm/min) (jerk)
M203 X12000 Y12000 Z12000 E5000 ; Set maximum speeds (mm/min)
M201 X3500 Y3500 Z3500 E1200 ; Set accelerations (mm/s^2) Было по 2000
M906 X2000 Y2000 Z2000 E1200 I10 ; Set motor currents (mA) and motor idle factor in per cent
M84 S30 ; Set idle timeout
M572 D0 S0.2 ; Pressure advance

Veti

@spax said in Always different Z probe trigger height...:

Firmware Version: 2.03 (2019-06-13b2)

there is a bug in 2.03 with delta homing.
see bugfix in 2.04RC1
https://github.com/dc42/RepRapFirmware/blob/dev/WHATS_NEW.md

SPAX

@veti, thanks, I'll try to update now.

SPAX

New flashing did not help...
Yes, now Auto Calibrating going good, but when I start to print the nozzle so high above bed...approx 1.5mm...
It is mean what Auto Calibrating measure wrong homed height.

19:50:58G32
Calibrated 6 factors using 16 points, deviation before 0.061 after 0.060
19:50:05G32
Calibrated 6 factors using 16 points, deviation before 0.061 after 0.060

Veti

@spax said in Always different Z probe trigger height...:

G31 P500 X15 Y15 Z3,6 ; Set Z probe trigger value, offset and trigger height

duet uses . and not ,

please read
https://duet3d.dozuki.com/Wiki/Test_and_calibrate_the_Z_probe
and test your z offset

SPAX

@veti Ofcourse I tested and change it in config.g

Veti

how are you saving the G32 results?

SPAX

@veti said in Always different Z probe trigger height...:

how are you saving the G32 results?

M500

Veti

you dont have a M501 in your config. so those will be ignored.

SPAX

@veti ouh man, I pasted not full config, special for low text... )))

SPAX

Baby stepping don't worked too!
I set -2mm, but nozzle don't changed position....

Veti

@spax said in Always different Z probe trigger height...:

M208 Z0.1 S1 ; Set minimum Z

because you disallowed it

SPAX

@veti But before that, everything worked well ... really don't know what happen...
And why is Z position 0.1 above the bed by 2 mm. I think Auto Calibration don't work well..

Veti

@spax said in Always different Z probe trigger height...:

And why is Z position 0.1 above the bed by 2 mm.

that would indicate a wrong z trigger height

SPAX

@veti I do all what in first post and correct config.g after ....

Veti

does your probe have problems?

check the repeatability

https://forum.duet3d.com/topic/6962/m48-measure-z-probe-repeatability-and-print-to-serial-output

SPAX

@veti said in Always different Z probe trigger height...:

does your probe have problems?

I think no.

check the repeatability

It is repeatability

M98 P"0:/macros/M48"
G32 bed probe heights: 0.088 0.095 0.088 0.088 0.088 0.095 0.095 0.088 0.101 0.095, mean 0.092, deviation from mean 0.004

Veti

hmm?
problem with your endstops?
do a the macro.
then home with G28 and doe the macro again

SPAX

@veti omg....
G31 P500 X15 Y15 Z3,6
I wrote a comma instead of a dot
Now I heat a bed and try again auto calibrate.

SPAX

Ok, now started print cube 20x20, first layer is well)