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    Duet wifi module only connects when plugged in to USB.

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    Duet Hardware and wiring
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    • lolmoduleundefined
      lolmodule
      last edited by

      As the title says, my Duet Wifi will only connect when there is a USB cable powering the board and will not work when just powering on through Vin. I have tried updating the FW, completely reformatting the SD card, different DWC, different wifiserver. The only physical issue I could find was a cold, loose solder joint on one off the Vin pins. I fixed that but it didn't change anything. When I did get the wifi to connect if I type in the IP I get a page that says "your Duet rejected the HTTP request: page not found." When I first got that is when I reformatted the SD and changed the www folder to -old and made a new one, which made no difference. I am starting to think that maybe the issue might be something with the board that I cant easily see by eye.

      Any help would be greatly appreciated.

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

        @lolmodule, if it says "Page not found" when powered from VIN but works when powered from USB, that implies that the SD card can't be read. Are you able to measure the voltage on the +3.3V rail, when powered from VIN and also when powered from USB? The safest place to measure it is on one of the endstop connectors. Take care not to short two pins together with your multimeter probe.

        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

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        • lolmoduleundefined
          lolmodule
          last edited by

          I verified that the +3.3v rail is present with both Vin and USB power. If I plug in the USB, the Wifi turns on and connects. I am able to load the DWC page and make changes. If I unplug USB and go to Vin the wifi does not turn on. I am so baffled as to what the issue could be. I am ok with basic electronics and soldering but this is just throwing me for a loop.

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

            Check that you don't have debugging enabled in config.g. If you have a M111 command in config.g at all, it should have parameter S0 to disable debugging.

            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

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            • lolmoduleundefined
              lolmodule
              last edited by

              I do not have an M111 command in config.g . Nothing was done to the board/ config prior to this issue appearing. The only thing that I noticed was that occasionally DWC would load a bit slow but it was never a major issue.

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              • dc42undefined
                dc42 administrators
                last edited by dc42

                If you load YAT or pronterface on your PC, does it display anything received from the USB port?

                Also, please run M111 without parameters, to confirm that all debugging is off.

                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

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                • lolmoduleundefined
                  lolmodule
                  last edited by

                  M111 command shows debugging enabled for no modules. I am using YAT but I don't know what you mean about does it display anything received from the USB port.

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                  • dc42undefined
                    dc42 administrators
                    last edited by

                    This is a puzzling fault. Does the WiFi work if you connect the USB port to a charger, or does it actually have to be connected to a PC?

                    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

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                    • lolmoduleundefined
                      lolmodule
                      last edited by lolmodule

                      It does work on a charger. I have noticed that the Wifi module doesn't always turn on, ( maybe 85% of the time it does first try, it usually works the second time you power it on. ) but it never automatically turns on with Vin power. I did go through all the caps from the diagram that would control power to the Wifi and USB and I could not find any shorts to ground. I also couldn't find any issues with any of the diodes in said circuits. This is, indeed a puzzling fault and a bad time for it to happen as well because I need my printer to print the final parts for my other printer 😕

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

                        @lolmodule, I'm happy to approve a warranty replacement for your Duet if you would like one.

                        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

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                        • lolmoduleundefined
                          lolmodule
                          last edited by

                          If that's what you recommend at this point I will gladly accept. I love my duet but this issue is truly baffling. How would I go about doing a warranty claim?

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

                            @lolmodule said in Duet wifi module only connects when plugged in to USB.:

                            If that's what you recommend at this point I will gladly accept. I love my duet but this issue is truly baffling. How would I go about doing a warranty claim?

                            That depends on who you bought it from. See https://www.duet3d.com/warranty.

                            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
                            • lolmoduleundefined
                              lolmodule
                              last edited by

                              I bought mine through Filastruder so I guess ill have to shoot them a message and let them know?

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

                                @lolmodule said in Duet wifi module only connects when plugged in to USB.:

                                I bought mine through Filastruder so I guess ill have to shoot them a message and let them know?

                                Yes.

                                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

                                lolmoduleundefined 1 Reply Last reply Reply Quote 0
                                • lolmoduleundefined
                                  lolmodule @dc42
                                  last edited by lolmodule

                                  @dc42 So I wanted to wait until I tried all avenues before filling out a warranty claim. I ordered brand new 32gb card ( my original one was a 64GB that I partitioned to a 32GB and I reformatted/ re partitioned it multiple times during the diagnosis and I could see the card just fine on my PC so I assumed it couldn't be the card.) I put all my files on the new card, installed it on the board and Viola!

                                  0_1546107271351_Uo0Xzry.jpg

                                  I have power cycled the board multiple times and the wifi connects every time.

                                  I'm sorry to have gone through all of this only for it to be an apparently bad SD card. I very much appreciate the time you took to help me out though, especially during the holiday season. Hope you had a great holiday and thanks again!

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                                  • dc42undefined
                                    dc42 administrators
                                    last edited by

                                    I'm glad you solved it. I'll mark this thread as solved.

                                    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
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