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    Duet 3 6HC Rev. 1.01 Faulty

    Scheduled Pinned Locked Moved Unsolved
    Duet Hardware and wiring
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    • NeueKlasseundefined
      NeueKlasse
      last edited by NeueKlasse

      I already tried the 3.2beta 4 with the same issues, at the moment it seems that's only a problem of the DWC / SBC, the Printer is homing and probing while i get errors on the DWC that i lost connection, and get it back, and lost, and back etc. etc.......

      how can i test the DWC while i'm running in standalone mode (SD card in the Duet)?

      no i have no Replacement, do you have a pinout diagram of the Cable?

      ...btw.. the Paneldue is working fine

      Prusa Mini, Chiron @ BMG X2
      Metal SLS Printer Development

      Phaedruxundefined A Former User? 2 Replies Last reply Reply Quote 0
      • NeueKlasseundefined
        NeueKlasse
        last edited by NeueKlasse

        i moved the cable while i was connected,
        i've got one new Error that DCS has been stopped, i never got that before,
        but it was so unresponsive that i cannot confirm that the cable movement was the problem....

        Cable.JPG

        Prusa Mini, Chiron @ BMG X2
        Metal SLS Printer Development

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        • Phaedruxundefined
          Phaedrux Moderator @NeueKlasse
          last edited by

          @NeueKlasse said in Duet 3 6HC Rev. 1.01 Faulty:

          how can i test the DWC while i'm running in standalone mode (SD card in the Duet)?

          Linked above: https://duet3d.dozuki.com/Wiki/Getting_Started_With_Duet_3#Section_Running_in_standalone_mode

          @NeueKlasse said in Duet 3 6HC Rev. 1.01 Faulty:

          do you have a pinout diagram of the Cable?

          It's a flat ribbon cable so 1:1 across with jumper wires.

          The Duet 3 wiring diagram is here: https://duet3d.dozuki.com/Wiki/Duet_3_Mainboard_6HC_Wiring_Diagram

          Z-Bot CoreXY Build | Thingiverse Profile

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          • A Former User?
            A Former User @NeueKlasse
            last edited by A Former User

            @NeueKlasse said in Duet 3 6HC Rev. 1.01 Faulty:

            no i have no Replacement, do you have a pinout diagram of the Cable?

            Here you go for a Rpi-3B+

            Duet3_TO_RASPBERRY_PI3B+.png

            1 Reply Last reply Reply Quote 1
            • NeueKlasseundefined
              NeueKlasse
              last edited by NeueKlasse

              Thanks, i managed to setup jumper wires,
              now the connection lost problem comes every second...??!

              btw. i'm running on pi4

              Prusa Mini, Chiron @ BMG X2
              Metal SLS Printer Development

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              • NeueKlasseundefined
                NeueKlasse
                last edited by NeueKlasse

                The Duet's running in Standalone mode now, i report if i have issues!
                Thank's so far

                .. update it's running till now ( 45minutes without any problem)...
                i think the DuetPi.. create problems

                Prusa Mini, Chiron @ BMG X2
                Metal SLS Printer Development

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                • Phaedruxundefined
                  Phaedrux Moderator
                  last edited by

                  So just to confirm, changing to jumper wires has made it worse?

                  Z-Bot CoreXY Build | Thingiverse Profile

                  NeueKlasseundefined 1 Reply Last reply Reply Quote 0
                  • NeueKlasseundefined
                    NeueKlasse @Phaedrux
                    last edited by

                    @Phaedrux it seems so far...

                    Prusa Mini, Chiron @ BMG X2
                    Metal SLS Printer Development

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                    • NeueKlasseundefined
                      NeueKlasse
                      last edited by NeueKlasse

                      In the main time i setted up the DuetPi with a Fresh image.
                      10min ago i changed everything to SBC Operation and started the printer,
                      after everything started up i had the Same issue on the DWC...
                      connection to duet lost, (no header).. and several seconds later, Connection established... and so on and so on...
                      maybe it's the Pi itself?! i ordered a new Pi4 anyway...

                      i don't tried it yet but before if i tried to update the Firmware via pi+ribboncable
                      the Duet FW gets corrupted and i have to erase all and do the FW over USB..... (see 1. Post)

                      Prusa Mini, Chiron @ BMG X2
                      Metal SLS Printer Development

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                      • Phaedruxundefined
                        Phaedrux Moderator
                        last edited by

                        Having another Pi available to test with would help troubleshoot the issue.

                        Z-Bot CoreXY Build | Thingiverse Profile

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                        • chrishammundefined
                          chrishamm administrators
                          last edited by

                          The symptoms you mentioned sound like there is a wiring issue between the Duet and the Pi. I assume if you look into the DCS log via journalctl -u duetcontrolserver -e you'll see lots of checksum errors, too. If there are no checksum errors, it's probably a good idea to try out a different Raspi.

                          Just to be sure: You don't use another SPI device with the Pi, do you?

                          Duet software engineer

                          NeueKlasseundefined 1 Reply Last reply Reply Quote 0
                          • NeueKlasseundefined
                            NeueKlasse
                            last edited by NeueKlasse

                            Thanks,

                            the Pi tells following...

                            Dec 02 15:47:46 duet3 DuetControlServer[373]: [warn] Restarting transfer because a bad header response was received (0x00000032)
                            Dec 02 15:47:47 duet3 DuetControlServer[373]: [warn] Restarting transfer because a bad header response was received (0x80ffff13)
                            Dec 02 15:47:47 duet3 DuetControlServer[373]: [warn] Restarting transfer because a bad data response was received (0xffffff7d)
                            Dec 02 15:47:47 duet3 DuetControlServer[373]: [warn] Restarting transfer because a bad header response was received (0x00001f00)
                            Dec 02 15:47:47 duet3 DuetControlServer[373]: [warn] Restarting transfer because the Duet received a bad response (header)
                            Dec 02 15:47:49 duet3 DuetControlServer[373]: [warn] Bad data checksum (expected 0x8707, got 0x6fc0)
                            Dec 02 15:47:50 duet3 DuetControlServer[373]: [warn] Bad data checksum (expected 0x07c5, got 0xc7e3)
                            Dec 02 15:47:51 duet3 DuetControlServer[373]: [warn] Bad data checksum (expected 0x7881, got 0x7060)
                            Dec 02 15:47:54 duet3 DuetControlServer[373]: [warn] Bad data checksum (expected 0x9358, got 0xbc71)
                            Dec 02 15:47:54 duet3 DuetControlServer[373]: [warn] Bad data checksum (expected 0xfb8f, got 0x11a2)
                            Dec 02 15:47:54 duet3 DuetControlServer[373]: [warn] Restarting transfer because a bad header response was received (0x000000a8)
                            Dec 02 15:47:55 duet3 DuetControlServer[373]: [warn] Restarting transfer because a bad data response was received (0xffffff67)
                            Dec 02 15:47:55 duet3 DuetControlServer[373]: [warn] Restarting transfer because a bad data response was received (0xffffff67)
                            Dec 02 15:47:55 duet3 DuetControlServer[373]: [warn] Bad data checksum (expected 0xe458, got 0x1b24)
                            Dec 02 15:47:55 duet3 DuetControlServer[373]: [warn] Note: RepRapFirmware didn't receive valid data either (code 0x00000004)
                            Dec 02 15:47:55 duet3 DuetControlServer[373]: [warn] Bad data checksum (expected 0xe458, got 0xca19)
                            Dec 02 15:47:55 duet3 DuetControlServer[373]: [warn] Restarting transfer because the Duet received a bad response (data response)
                            Dec 02 15:47:57 duet3 DuetControlServer[373]: [warn] Restarting transfer because a bad header response was received (0xffffff15)
                            Dec 02 15:47:58 duet3 DuetControlServer[373]: [warn] Restarting transfer because a bad header response was received (0xffffff67)

                            i orderer a 40 to 26 Ribboncable from Pimoroni

                            Prusa Mini, Chiron @ BMG X2
                            Metal SLS Printer Development

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                            • A Former User?
                              A Former User
                              last edited by

                              you could try reducing the SPI frequency while waiting for new ribbon cable; /opt/dsf/conf/config.json (or something like that)

                              NeueKlasseundefined 1 Reply Last reply Reply Quote 2
                              • NeueKlasseundefined
                                NeueKlasse @A Former User
                                last edited by NeueKlasse

                                @bearer i used 50% of the value (100000)

                                interesting thing: if i do the Heater Tuning M303 the Connection loss
                                failures getting worse than before, but the Tuning are correctly till the end (seen from the Paneldue)

                                MCU Temperature after 2 hours Continious running about 42°C

                                Prusa Mini, Chiron @ BMG X2
                                Metal SLS Printer Development

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                                • NeueKlasseundefined
                                  NeueKlasse @chrishamm
                                  last edited by

                                  @chrishamm sorry, no i have no additional spi device running on the pi

                                  Prusa Mini, Chiron @ BMG X2
                                  Metal SLS Printer Development

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                                  • NeueKlasseundefined
                                    NeueKlasse
                                    last edited by NeueKlasse

                                    Update: with the New Pi 4 it's still the same Problem... keep all my hopes to the
                                    Ribboncable...

                                    another Question, i'm using 2 Filamentsensors, although when i want to start a Gcode
                                    the Problem is i need all 2 Filamentsensors to be OK, but i just want to use 1 Hotend...
                                    how can i manage that without disabling?

                                    Prusa Mini, Chiron @ BMG X2
                                    Metal SLS Printer Development

                                    Phaedruxundefined 1 Reply Last reply Reply Quote 0
                                    • Phaedruxundefined
                                      Phaedrux Moderator @NeueKlasse
                                      last edited by

                                      @NeueKlasse said in Duet 3 6HC Rev. 1.01 Faulty:

                                      how can i manage that without disabling?

                                      How to disable without disabling? hmm..

                                      Since you can configure on the fly, disabling is probably the best way to go.

                                      Perhaps have it disabled by default and add the enable code to the second extruder start code?

                                      Z-Bot CoreXY Build | Thingiverse Profile

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                                      • NeueKlasseundefined
                                        NeueKlasse
                                        last edited by NeueKlasse

                                        I thought when i just use one extruder i don't need the other one for that specific Print.

                                        You Think about M591 D0/D1 P0 C"in5/in6" ?, maybe it would be handy in a future DWC to
                                        have Buttons to enable/disable configured Filament Sensors.

                                        Prusa Mini, Chiron @ BMG X2
                                        Metal SLS Printer Development

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                                        • Phaedruxundefined
                                          Phaedrux Moderator
                                          last edited by

                                          Well if you create a macro with that commands it basically shows up as a button.

                                          Z-Bot CoreXY Build | Thingiverse Profile

                                          NeueKlasseundefined 1 Reply Last reply Reply Quote 0
                                          • NeueKlasseundefined
                                            NeueKlasse @Phaedrux
                                            last edited by

                                            @Phaedrux hm, ok i thought about that... so last time i tested everything it don't lets me start any gcode file because it needs both fil. sensors to be OK...
                                            maybe i delete everything from the config file and set it separately over the Slicer/S3D Post processing....

                                            Prusa Mini, Chiron @ BMG X2
                                            Metal SLS Printer Development

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