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    BLtouch 3.1 on Duet 2 WiFi 1.05 does not work

    Scheduled Pinned Locked Moved Solved
    Duet Hardware and wiring
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    • Phaedruxundefined
      Phaedrux Moderator
      last edited by

      If I squint hard and use my imagination I can almost make out the files listed in those images.

      One other thing to try while I check over your files. Can you download a fresh copy of the 3.3 firmware package and upload the zip file via DWC? Just to reflash the firmware and make sure everything is present as it should be.

      https://github.com/Duet3D/RepRapFirmware/releases/download/3.3/Duet2and3Firmware-3.3.zip

      Z-Bot CoreXY Build | Thingiverse Profile

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      • Phaedruxundefined
        Phaedrux Moderator
        last edited by

        I see no errors in those files.

        How are you initiating the homing process? Are you sending G28 or clicking on the DWC homing buttons or are you running a macro?

        Z-Bot CoreXY Build | Thingiverse Profile

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        • Schotteundefined
          Schotte @Phaedrux
          last edited by

          @phaedrux

          Firmware reinstalled, error is still displayed after M98 P"config.g".

          We click on the DWC homing buttons

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          • Phaedruxundefined
            Phaedrux Moderator
            last edited by

            Can you send M558 P9 by itself and report back what it says?

            Z-Bot CoreXY Build | Thingiverse Profile

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            • Schotteundefined
              Schotte @Phaedrux
              last edited by

              @phaedrux

              m558 p9
              Error: M558: Missing Z probe pin name(s)

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              • Phaedruxundefined
                Phaedrux Moderator
                last edited by

                Can you copy and paste this line into the gcode console and report back what it says?

                M558 P9 C"^zprobe.in" H5 F120 T6000

                Z-Bot CoreXY Build | Thingiverse Profile

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                • Schotteundefined
                  Schotte @Phaedrux
                  last edited by

                  @phaedrux

                  reply

                  M558 P9 C"^zprobe.in" H5 F120 T6000

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                  • Schotteundefined
                    Schotte
                    last edited by

                    Did a test, pressure plate goes up, but the pin from the Bltouch doesn't go out

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                    • Phaedruxundefined
                      Phaedrux Moderator
                      last edited by

                      And if you send M950 S0 C"exp.heater3" does M401 and M402 work?

                      Z-Bot CoreXY Build | Thingiverse Profile

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                      • Schotteundefined
                        Schotte @Phaedrux
                        last edited by

                        @phaedrux

                        Unfortunately not

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                        • Phaedruxundefined
                          Phaedrux Moderator
                          last edited by Phaedrux

                          Do you get an error from sending that M950?

                          If you replace the M558 line in your config with the one you manually sent, does it stop the error message you were getting before?

                          M558 P9 C"^zprobe.in" H5 F120 T6000

                          Z-Bot CoreXY Build | Thingiverse Profile

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                          • Schotteundefined
                            Schotte @Phaedrux
                            last edited by

                            @phaedrux said in BLtouch 3.1 on Duet 2 WiFi 1.05 does not work:

                            Do you get an error from sending that M950?

                            15.2.2022, 21:20:33 M950 s0
                            GPIO/servo port 0 pin (exp.heater3,exp.8) frequency 50Hz

                            @phaedrux said in BLtouch 3.1 on Duet 2 WiFi 1.05 does not work:

                            If you replace the M558 line in your config with the one you manually sent, does it stop the error message you were getting before?
                            M558 P9 C"^zprobe.in" H5 F120 T6000

                            yes, and the table moves up

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                            • Phaedruxundefined
                              Phaedrux Moderator
                              last edited by

                              Are you sure you have the yellow wire connected to exp.heater3?

                              Z-Bot CoreXY Build | Thingiverse Profile

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                              • Schotteundefined
                                Schotte @Phaedrux
                                last edited by

                                @phaedrux

                                yes, we have already checked several times

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                                • Phaedruxundefined
                                  Phaedrux Moderator
                                  last edited by

                                  Can you test with a different heater pin then? exp.heater7 perhaps? Alter the M950 command accordingly.

                                  It may also be worthwhile testing with a fresh set of configs from the config tool.

                                  https://configtool.reprapfirmware.org/Start

                                  Z-Bot CoreXY Build | Thingiverse Profile

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                                  • Schotteundefined
                                    Schotte @Phaedrux
                                    last edited by

                                    @phaedrux

                                    We had already tested heater 7 and will be testing heater 5 and 7 again soon.

                                    I just created a new config, we will test it afterwards.

                                    Also, a big thank you for your help! That's great

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                                    • JoergS5undefined
                                      JoergS5
                                      last edited by

                                      @schotte I am not sure, but
                                      M558 P9 C"^zprobe.in" H12 R1.0 F500:F120 T6000
                                      F parameter looks wrong to me, it should be F500:120 (so without second F letter).

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                                      • Schotteundefined
                                        Schotte
                                        last edited by

                                        @Phaedrux

                                        Have tested heater 5 and 7, Bltouch still doesn't work.

                                        New SD card with new system didn't help either.

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                                        • Phaedruxundefined
                                          Phaedrux Moderator
                                          last edited by

                                          Can you test with the BLTouch leads connected directly to the board without any extension?

                                          The M558 problem is resolved, now we just need to get the servo communicating.

                                          You mentioned in your first post that the power on pin test of the bltouch moves slowly. Is the BLtouch held upright? Have you tried connecting only 5v and ground?

                                          Z-Bot CoreXY Build | Thingiverse Profile

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                                          • Schotteundefined
                                            Schotte @Phaedrux
                                            last edited by

                                            @phaedrux

                                            We can no longer connect the Bltouch directly without further.

                                            If we unplug the yellow wire from the Heater5 pin, the Bltouch will do the self-test at normal speed. Once the yellow wire is reconnected, again slowly.

                                            @JoergS5

                                            we will test again when the BLtouch is running - thanks for the tip

                                            JoergS5undefined 1 Reply Last reply Reply Quote 0
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