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    Auto calibration error

    Scheduled Pinned Locked Moved
    Duet Hardware and wiring
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    • yatinsdundefined
      yatinsd @dc42
      last edited by yatinsd

      @dc42 there is no config override file being created after auto calibration! can this be due to the macro files that i deleted accidently?

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      • dc42undefined
        dc42 administrators
        last edited by

        Auto calibration does not in itself create a config-override.g file; but you can send M500 after running auto calibration to save the values.

        So was there a config-override.g file on your system, or not?

        Duet WiFi hardware designer and firmware engineer
        Please do not ask me for Duet support via PM or email, use the forum
        http://www.escher3d.com, https://miscsolutions.wordpress.com

        yatinsdundefined 3 Replies Last reply Reply Quote 0
        • yatinsdundefined
          yatinsd @dc42
          last edited by

          @dc42 I cannot see any such file!

          1 Reply Last reply Reply Quote 0
          • yatinsdundefined
            yatinsd @dc42
            last edited by yatinsd

            @dc42 I tried M500 command still the same issue the when home after 1st auto calibration the head position goes random for xyz. Though now the config override file is created.

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            • yatinsdundefined
              yatinsd @dc42
              last edited by

              @dc42 0_1542779135373_Capture3.JPG

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              • dc42undefined
                dc42 administrators
                last edited by

                Please can you change the S parameter on the final G30 command to S-1. This will cause the firmware to report the height errors without making any changes. Then report the height errors here.

                Duet WiFi hardware designer and firmware engineer
                Please do not ask me for Duet support via PM or email, use the forum
                http://www.escher3d.com, https://miscsolutions.wordpress.com

                yatinsdundefined 2 Replies Last reply Reply Quote 0
                • yatinsdundefined
                  yatinsd @dc42
                  last edited by yatinsd

                  @dc42 I did the same as you said but the problem has just dissapeared now, i dont know how( i am able to auto calibrate it one after other). But there is one peculiar thing happening that ( I deleted the config-override file before i started the auto-calibration) now when i try and pass the M500 command no config override file is generated.

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                  • yatinsdundefined
                    yatinsd @dc42
                    last edited by yatinsd

                    @dc42 it is now showing the config override file as well!

                    dc42undefined 1 Reply Last reply Reply Quote 0
                    • dc42undefined
                      dc42 administrators @yatinsd
                      last edited by dc42

                      @yatinsd said in Auto calibration error:

                      @dc42 it is now showing the config override file as well!

                      I'm glad it's now working for you. If it goes on working, please mark this thread as Solved by editing the title.

                      Duet Web Control doesn't update its file lists automatically. You often need to click the Refresh button to see the latest changes. This may be why you didn't see the config-override.g file at first.

                      Duet WiFi hardware designer and firmware engineer
                      Please do not ask me for Duet support via PM or email, use the forum
                      http://www.escher3d.com, https://miscsolutions.wordpress.com

                      yatinsdundefined 1 Reply Last reply Reply Quote 0
                      • yatinsdundefined
                        yatinsd @dc42
                        last edited by yatinsd

                        @dc42 0_1542832005147_config-override.g This file is generated after auto calibration 8 factor. when i input S1 it is fine, but when i use 8 factor calibration head values go random(read 999.99) all of a sudden. I need to do 8 factor because my bed is showing convex(4.5mm error at extreme edge) still but isnt(checked seperately).

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                        • dc42undefined
                          dc42 administrators
                          last edited by dc42

                          I suggest you connect a PC running e.g. YAT or Pronterface to your printer via USB, send M111 S1 P4 to enable Move debug, then run auto calibration. It will send details of the calibration calculations to the PC. If the auto calibration results in nans and you post that output here, I may be able to work out what is going wrong.

                          Duet WiFi hardware designer and firmware engineer
                          Please do not ask me for Duet support via PM or email, use the forum
                          http://www.escher3d.com, https://miscsolutions.wordpress.com

                          yatinsdundefined 1 Reply Last reply Reply Quote 0
                          • yatinsdundefined
                            yatinsd @dc42
                            last edited by

                            @dc42 following is the result after the procedure:
                            Connecting...
                            [ERROR] Could not connect to COM5 at baudrate 115200:
                            Serial error: could not open port 'COM5': WindowsError(5, 'Access is denied.')
                            Connecting...
                            [ERROR] Could not connect to COM5 at baudrate 115200:
                            Serial error: could not open port 'COM5': WindowsError(5, 'Access is denied.')
                            Connecting...
                            ok T0:19.5 /0.0 B:2000.0 /0.0
                            Printer is now online.
                            ok T0:19.4 /0.0 B:2000.0 /0.0
                            ok T0:19.4 /0.0 B:2000.0 /0.0

                            M111 S1 P4
                            SENDING:M111 S1 P4
                            Debugging enabled for modules: Move(4)
                            Debugging disabled for modules: Platform(0) Network(1) Webserver(2) GCodes(3) Heat(5) DDA(6) Roland(7) Scanner(8) PrintMonitor(9) Storage(10) PortControl(11) DuetExpansion(12) FilamentSensors(13) WiFi(14) Display(15)
                            ok T0:19.5 /0.0 B:2000.0 /0.0
                            ok T0:19.4 /0.0 B:2000.0 /0.0
                            g32
                            SENDING:G32
                            Z probe offsets: 11.502 2.401 2.424 18.805 11.597 5.171 1.926 1.981 5.546 6.321 9.789 10.063 5.115 2.919 2.982 150.000, mean 15.534, deviation from mean 35.015
                            Stops X0.000 Y0.000 Z0.000 height 342.000 diagonal 218.000 radius 120.000 xcorr 0.00 ycorr 0.00 zcorr 0.00 xtilt 0.000% ytilt 0.000%
                            Derivative matrix
                            -0.0232 0.1053 0.9178 0.0959 -0.0759 -0.1918 -0.3529 -1.2353
                            nan nan nan nan nan nan nan nan
                            nan nan nan nan nan nan nan nan
                            -0.0266 0.9011 0.1255 0.1235 0.0719 -0.2840 -1.2189 0.2647
                            0.1564 0.7995 0.0440 0.3918 -0.1515 0.1120 -0.6440 0.5645
                            0.3978 0.5061 0.0961 0.5762 -0.1694 0.1577 -0.1024 0.4531
                            0.4966 0.2391 0.2643 0.6292 0.0124 0.0568 0.2554 0.1159
                            0.3990 0.0698 0.5312 0.5521 0.1950 -0.0108 0.3825 -0.3649
                            0.1530 0.0171 0.8299 0.3404 0.1681 -0.0178 0.2167 -0.9142
                            0.0096 0.2584 0.7319 0.4131 0.0065 -0.2275 -0.3529 -0.7353
                            -0.0461 0.5090 0.5371 0.3413 -0.0025 -0.3890 -0.7860 -0.4853
                            0.0097 0.7052 0.2850 0.4293 -0.0058 -0.2311 -0.7860 0.0147
                            0.1827 0.5317 0.2856 0.6097 -0.0474 -0.0549 -0.3529 0.0712
                            0.2473 0.3623 0.3903 0.6500 0.0070 -0.0510 -0.1186 -0.1000
                            0.1843 0.2523 0.5634 0.5978 0.0609 -0.0998 -0.0775 -0.3944
                            0.3333 0.3333 0.3333 0.6593 0.0000 0.0000 0.0000 -0.0000
                            Normal matrix
                            nan nan nan nan nan nan nan nan nan
                            nan nan nan nan nan nan nan nan nan
                            nan nan nan nan nan nan nan nan nan
                            nan nan nan nan nan nan nan nan nan
                            nan nan nan nan nan nan nan nan nan
                            nan nan nan nan nan nan nan nan nan
                            nan nan nan nan nan nan nan nan nan
                            nan nan nan nan nan nan nan nan nan
                            Solved matrix
                            nan 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 nan
                            0.0000 nan 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 nan
                            0.0000 0.0000 nan 0.0000 0.0000 0.0000 0.0000 0.0000 nan
                            0.0000 0.0000 0.0000 nan 0.0000 0.0000 0.0000 0.0000 nan
                            0.0000 0.0000 0.0000 0.0000 nan 0.0000 0.0000 0.0000 nan
                            0.0000 0.0000 0.0000 0.0000 0.0000 nan 0.0000 0.0000 nan
                            0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 nan 0.0000 nan
                            0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 nan nan
                            Solution: nan nan nan nan nan nan nan nan
                            Residuals: nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan
                            Expected probe error: nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan
                            Derivative matrix
                            nan nan nan nan nan nan nan nan
                            nan nan nan nan nan nan nan nan
                            nan nan nan nan nan nan nan nan
                            nan nan nan nan nan nan nan nan
                            nan nan nan nan nan nan nan nan
                            nan nan nan nan nan nan nan nan
                            nan nan nan nan nan nan nan nan
                            nan nan nan nan nan nan nan nan
                            nan nan nan nan nan nan nan nan
                            nan nan nan nan nan nan nan nan
                            nan nan nan nan nan nan nan nan
                            nan nan nan nan nan nan nan nan
                            nan nan nan nan nan nan nan nan
                            nan nan nan nan nan nan nan nan
                            nan nan nan nan nan nan nan nan
                            nan nan nan nan nan nan nan nan
                            Normal matrix
                            nan nan nan nan nan nan nan nan nan
                            nan nan nan nan nan nan nan nan nan
                            nan nan nan nan nan nan nan nan nan
                            nan nan nan nan nan nan nan nan nan
                            nan nan nan nan nan nan nan nan nan
                            nan nan nan nan nan nan nan nan nan
                            nan nan nan nan nan nan nan nan nan
                            nan nan nan nan nan nan nan nan nan
                            Solved matrix
                            nan 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 nan
                            0.0000 nan 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 nan
                            0.0000 0.0000 nan 0.0000 0.0000 0.0000 0.0000 0.0000 nan
                            0.0000 0.0000 0.0000 nan 0.0000 0.0000 0.0000 0.0000 nan
                            0.0000 0.0000 0.0000 0.0000 nan 0.0000 0.0000 0.0000 nan
                            0.0000 0.0000 0.0000 0.0000 0.0000 nan 0.0000 0.0000 nan
                            0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 nan 0.0000 nan
                            0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 nan nan
                            Solution: nan nan nan nan nan nan nan nan
                            Residuals: nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan
                            Expected probe error: nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan
                            Stops Xnan Ynan Znan height nan diagonal 218.000 radius nan xcorr nan ycorr nan zcorr 0.00 xtilt nan% ytilt nan%
                            Calibrated 8 factors using 16 points, deviation before 38.306 after nan
                            ok T0:19.1 /0.0 B:2000.0 /0.0
                            ok T0:19.1 /0.0 B:2000.0 /0.0
                            ok T0:19.1 /0.0 B:2000.0 /0.0
                            ok T0:19.1 /0.0 B:2000.0 /0.0
                            ok T0:19.1 /0.0 B:2000.0 /0.0
                            ok T0:19.1 /0.0 B:2000.0 /0.0
                            ok T0:19.1 /0.0 B:2000.0 /0.0
                            ok T0:19.1 /0.0 B:2000.0 /0.0
                            ok T0:19.1 /0.0 B:2000.0 /0.0
                            ok T0:19.1 /0.0 B:2000.0 /0.0
                            ok T0:19.1 /0.0 B:2000.0 /0.0
                            ok T0:19.1 /0.0 B:2000.0 /0.0
                            ok T0:19.1 /0.0 B:2000.0 /0.0
                            ok T0:19.1 /0.0 B:2000.0 /0.0
                            ok T0:19.1 /0.0 B:2000.0 /0.0
                            ok T0:19.1 /0.0 B:2000.0 /0.0
                            ok T0:19.1 /0.0 B:2000.0 /0.0
                            ok T0:19.1 /0.0 B:2000.0 /0.0
                            ok T0:19.1 /0.0 B:2000.0 /0.0
                            ok T0:19.1 /0.0 B:2000.0 /0.0
                            ok T0:19.1 /0.0 B:2000.0 /0.0
                            ok T0:19.1 /0.0 B:2000.0 /0.0
                            ok T0:19.1 /0.0 B:2000.0 /0.0
                            ok T0:19.0 /0.0 B:2000.0 /0.0
                            ok T0:19.0 /0.0 B:2000.0 /0.0
                            ok T0:19.0 /0.0 B:2000.0 /0.0
                            ok T0:19.0 /0.0 B:2000.0 /0.0
                            ok T0:19.0 /0.0 B:2000.0 /0.0
                            ok T0:19.0 /0.0 B:2000.0 /0.0
                            ok T0:19.0 /0.0 B:2000.0 /0.0
                            ok T0:19.1 /0.0 B:2000.0 /0.0
                            ok T0:19.0 /0.0 B:2000.0 /0.0
                            ok T0:19.0 /0.0 B:2000.0 /0.0
                            ok T0:19.0 /0.0 B:2000.0 /0.0
                            ok T0:18.9 /0.0 B:2000.0 /0.0
                            ok T0:19.0 /0.0 B:2000.0 /0.0
                            ok T0:19.0 /0.0 B:2000.0 /0.0
                            ok T0:19.0 /0.0 B:2000.0 /0.0
                            ok T0:19.0 /0.0 B:2000.0 /0.0
                            ok T0:19.0 /0.0 B:2000.0 /0.0
                            ok T0:18.9 /0.0 B:2000.0 /0.0
                            ok T0:19.0 /0.0 B:2000.0 /0.0
                            ok T0:18.9 /0.0 B:2000.0 /0.0
                            ok T0:18.9 /0.0 B:2000.0 /0.0
                            ok T0:19.0 /0.0 B:2000.0 /0.0
                            ok T0:18.9 /0.0 B:2000.0 /0.0
                            [ERROR] Can't read from printer (disconnected?) (SerialException): call to ClearCommError failed
                            [ERROR] Can't write to printer (disconnected?) (SerialException): WriteFile failed (WindowsError(22, 'The device does not recognize the command.'))
                            [ERROR] Can't write to printer (disconnected?) (SerialException): WriteFile failed (WindowsError(22, 'The device does not recognize the command.'))
                            Disconnected.

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                            • dc42undefined
                              dc42 administrators
                              last edited by

                              @yatinsd said in Auto calibration error:

                              Z probe offsets: 11.502 2.401 2.424 18.805 11.597 5.171 1.926 1.981 5.546 6.321 9.789 10.063 5.115 2.919 2.982 150.000, mean 15.534, deviation from mean 35.015
                              Stops X0.000 Y0.000 Z0.000 height 342.000 diagonal 218.000 radius 120.000 xcorr 0.00 ycorr 0.00 zcorr 0.00 xtilt 0.000% ytilt 0.000%
                              Derivative matrix
                              -0.0232 0.1053 0.9178 0.0959 -0.0759 -0.1918 -0.3529 -1.2353
                              nan nan nan nan nan nan nan nan
                              nan nan nan nan nan nan nan nan
                              -0.0266 0.9011 0.1255 0.1235 0.0719 -0.2840 -1.2189 0.2647
                              0.1564 0.7995 0.0440 0.3918 -0.1515 0.1120 -0.6440 0.5645
                              0.3978 0.5061 0.0961 0.5762 -0.1694 0.1577 -0.1024 0.4531
                              0.4966 0.2391 0.2643 0.6292 0.0124 0.0568 0.2554 0.1159
                              0.3990 0.0698 0.5312 0.5521 0.1950 -0.0108 0.3825 -0.3649
                              0.1530 0.0171 0.8299 0.3404 0.1681 -0.0178 0.2167 -0.9142
                              0.0096 0.2584 0.7319 0.4131 0.0065 -0.2275 -0.3529 -0.7353
                              -0.0461 0.5090 0.5371 0.3413 -0.0025 -0.3890 -0.7860 -0.4853
                              0.0097 0.7052 0.2850 0.4293 -0.0058 -0.2311 -0.7860 0.0147
                              0.1827 0.5317 0.2856 0.6097 -0.0474 -0.0549 -0.3529 0.0712
                              0.2473 0.3623 0.3903 0.6500 0.0070 -0.0510 -0.1186 -0.1000
                              0.1843 0.2523 0.5634 0.5978 0.0609 -0.0998 -0.0775 -0.3944
                              0.3333 0.3333 0.3333 0.6593 0.0000 0.0000 0.0000 -0.0000

                              I can see two problems with that data:

                              1. Bed probing is giving extremely large height errors, up to 150mm.

                              2. The second and third probe points in your bed.g file are unreachable using your current delta parameters. This may be because you are using a Z probe offset from the nozzle. You need to move them closer to the centre.

                              Duet WiFi hardware designer and firmware engineer
                              Please do not ask me for Duet support via PM or email, use the forum
                              http://www.escher3d.com, https://miscsolutions.wordpress.com

                              yatinsdundefined 1 Reply Last reply Reply Quote 0
                              • yatinsdundefined
                                yatinsd @dc42
                                last edited by

                                @dc42 do I need to change my effector that means? I'm close much to the center as i can get!

                                1 Reply Last reply Reply Quote 0
                                • dc42undefined
                                  dc42 administrators
                                  last edited by

                                  No, I mean you need to move the XY positions of the 2nd and 3rd G30 commands in your bed.g file closer to the (0, 0).

                                  Duet WiFi hardware designer and firmware engineer
                                  Please do not ask me for Duet support via PM or email, use the forum
                                  http://www.escher3d.com, https://miscsolutions.wordpress.com

                                  yatinsdundefined 1 Reply Last reply Reply Quote 0
                                  • yatinsdundefined
                                    yatinsd @dc42
                                    last edited by

                                    @dc42 I have done the same of moving it close to zero but still it is doing the same thing. now surface is only off by 0.5mm at edges but after calibration head position still changes to random
                                    (999.99)

                                    yatinsdundefined 1 Reply Last reply Reply Quote 0
                                    • yatinsdundefined
                                      yatinsd @yatinsd
                                      last edited by yatinsd

                                      @yatinsd additionally it just hangs up on negative y axis movement moves only after i home the printer.

                                      1 Reply Last reply Reply Quote 0
                                      • dc42undefined
                                        dc42 administrators
                                        last edited by dc42

                                        Please post the bed.g file you are now using, and the output from Pronterface as before. Also your current config.g file.

                                        Duet WiFi hardware designer and firmware engineer
                                        Please do not ask me for Duet support via PM or email, use the forum
                                        http://www.escher3d.com, https://miscsolutions.wordpress.com

                                        1 Reply Last reply Reply Quote 0
                                        • yatinsdundefined
                                          yatinsd
                                          last edited by

                                          @dc42 said in Auto calibration error:

                                          M111 S1 P4

                                          2_1542908813349_config-override.g 1_1542908813348_config.g 0_1542908813348_bed.g

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                                          • yatinsdundefined
                                            yatinsd
                                            last edited by

                                            M111 S1 P4
                                            SENDING:M111 S1 P4
                                            Debugging enabled for modules: Move(4)
                                            Debugging disabled for modules: Platform(0) Network(1) Webserver(2) GCodes(3) Heat(5) DDA(6) Roland(7) Scanner(8) PrintMonitor(9) Storage(10) PortControl(11) DuetExpansion(12) FilamentSensors(13) WiFi(14) Display(15)
                                            g32
                                            SENDING:G32
                                            Z probe offsets: 0.000 0.361 0.358 -0.005 2.105 0.582 -0.059 -0.101 0.802 0.564 0.997 1.415 0.541 0.119 0.064 150.000, mean 9.859, deviation from mean 36.189
                                            Stops X0.000 Y0.000 Z0.000 height 342.000 diagonal 218.000 radius 138.000 xcorr 0.00 ycorr 0.00 zcorr 0.00 xtilt 0.000% ytilt 0.000%
                                            Derivative matrix
                                            nan nan nan nan nan nan nan nan
                                            0.1220 0.4251 0.4529 0.7490 0.0052 -0.1861 -0.3529 -0.2353
                                            0.1220 0.4251 0.4529 0.7490 0.0052 -0.1861 -0.3529 -0.2353
                                            nan nan nan nan nan nan nan nan
                                            0.1590 0.7844 0.0566 0.5563 -0.2041 0.1294 -0.6440 0.5645
                                            0.3931 0.4977 0.1091 0.7356 -0.2056 0.1877 -0.1024 0.4531
                                            0.4896 0.2433 0.2670 0.7883 0.0148 0.0732 0.2554 0.1159
                                            0.3937 0.0847 0.5216 0.7115 0.2362 -0.0180 0.3825 -0.3649
                                            0.1540 0.0315 0.8144 0.5054 0.2260 -0.0528 0.2167 -0.9142
                                            0.0281 0.2557 0.7161 0.5749 0.0299 -0.2857 -0.3529 -0.7353
                                            -0.0062 0.4896 0.5166 0.4931 -0.0013 -0.4515 -0.7860 -0.4853
                                            0.0288 0.6897 0.2814 0.5904 -0.0264 -0.2680 -0.7860 0.0147
                                            0.1899 0.5233 0.2867 0.7692 -0.0635 -0.0652 -0.3529 0.0712
                                            0.2516 0.3608 0.3876 0.8086 0.0089 -0.0627 -0.1186 -0.1000
                                            0.1911 0.2551 0.5539 0.7577 0.0815 -0.1274 -0.0775 -0.3944
                                            0.3333 0.3334 0.3333 0.8177 0.0000 0.0000 0.0000 0.0000
                                            Normal matrix
                                            nan nan nan nan nan nan nan nan nan
                                            nan nan nan nan nan nan nan nan nan
                                            nan nan nan nan nan nan nan nan nan
                                            nan nan nan nan nan nan nan nan nan
                                            nan nan nan nan nan nan nan nan nan
                                            nan nan nan nan nan nan nan nan nan
                                            nan nan nan nan nan nan nan nan nan
                                            nan nan nan nan nan nan nan nan nan
                                            Solved matrix
                                            nan 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 nan
                                            0.0000 nan 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 nan
                                            0.0000 0.0000 nan 0.0000 0.0000 0.0000 0.0000 0.0000 nan
                                            0.0000 0.0000 0.0000 nan 0.0000 0.0000 0.0000 0.0000 nan
                                            0.0000 0.0000 0.0000 0.0000 nan 0.0000 0.0000 0.0000 nan
                                            0.0000 0.0000 0.0000 0.0000 0.0000 nan 0.0000 0.0000 nan
                                            0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 nan 0.0000 nan
                                            0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 nan nan
                                            Solution: nan nan nan nan nan nan nan nan
                                            Residuals: nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan
                                            Expected probe error: nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan
                                            Derivative matrix
                                            nan nan nan nan nan nan nan nan
                                            nan nan nan nan nan nan nan nan
                                            nan nan nan nan nan nan nan nan
                                            nan nan nan nan nan nan nan nan
                                            nan nan nan nan nan nan nan nan
                                            nan nan nan nan nan nan nan nan
                                            nan nan nan nan nan nan nan nan
                                            nan nan nan nan nan nan nan nan
                                            nan nan nan nan nan nan nan nan
                                            nan nan nan nan nan nan nan nan
                                            nan nan nan nan nan nan nan nan
                                            nan nan nan nan nan nan nan nan
                                            nan nan nan nan nan nan nan nan
                                            nan nan nan nan nan nan nan nan
                                            nan nan nan nan nan nan nan nan
                                            nan nan nan nan nan nan nan nan
                                            Normal matrix
                                            nan nan nan nan nan nan nan nan nan
                                            nan nan nan nan nan nan nan nan nan
                                            nan nan nan nan nan nan nan nan nan
                                            nan nan nan nan nan nan nan nan nan
                                            nan nan nan nan nan nan nan nan nan
                                            nan nan nan nan nan nan nan nan nan
                                            nan nan nan nan nan nan nan nan nan
                                            nan nan nan nan nan nan nan nan nan
                                            Solved matrix
                                            nan 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 nan
                                            0.0000 nan 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 nan
                                            0.0000 0.0000 nan 0.0000 0.0000 0.0000 0.0000 0.0000 nan
                                            0.0000 0.0000 0.0000 nan 0.0000 0.0000 0.0000 0.0000 nan
                                            0.0000 0.0000 0.0000 0.0000 nan 0.0000 0.0000 0.0000 nan
                                            0.0000 0.0000 0.0000 0.0000 0.0000 nan 0.0000 0.0000 nan
                                            0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 nan 0.0000 nan
                                            0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 nan nan
                                            Solution: nan nan nan nan nan nan nan nan
                                            Residuals: nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan
                                            Expected probe error: nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan
                                            Stops Xnan Ynan Znan height nan diagonal 218.000 radius nan xcorr nan ycorr nan zcorr 0.00 xtilt nan% ytilt nan%
                                            Calibrated 8 factors using 16 points, deviation before 37.508 after nan
                                            ok T0:17.8 /0.0 B:2000.0 /0.0
                                            ok T0:17.8 /0.0 B:2000.0 /0.0
                                            ok T0:17.8 /0.0 B:2000.0 /0.0
                                            ok T0:17.8 /0.0 B:2000.0 /0.0
                                            ok T0:17.8 /0.0 B:2000.0 /0.0
                                            ok T0:17.8 /0.0 B:2000.0 /0.0
                                            ok T0:17.8 /0.0 B:2000.0 /0.0
                                            ok T0:17.7 /0.0 B:2000.0 /0.0
                                            ok T0:17.7 /0.0 B:2000.0 /0.0
                                            ok T0:17.7 /0.0 B:2000.0 /0.0
                                            ok T0:17.7 /0.0 B:2000.0 /0.0
                                            ok T0:17.7 /0.0 B:2000.0 /0.0
                                            ok T0:17.8 /0.0 B:2000.0 /0.0
                                            ok T0:17.8 /0.0 B:2000.0 /0.0
                                            ok T0:17.8 /0.0 B:2000.0 /0.0

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