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    Duet Wifi heats Bed and Hotend from start

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    Duet Hardware and wiring
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    • dc42undefined
      dc42 administrators
      last edited by

      You need a 74HCT02 chip in a TSSOP package. A typical part number is 74HCT02PW or SN74HCT02PW. The PW suffix is the package type.

      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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      • sixfeetunderundefined
        sixfeetunder
        last edited by

        ok i get some of these. Thanks a lot for you help 🙂

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        • sixfeetunderundefined
          sixfeetunder
          last edited by sixfeetunder

          So now i switched the chip and i think i did a quite bad job, but it should work. at least from my point of view. The board is still working (can connect to it with yat and the heat LEDs are not flashing from start). so far so good. but now i have another problem: when i start the board and want connect to wifi, the wifi module is blinking blue and then switches off. in yat i get following message:

          M552 S1
          ok<LF>Error retrieving WiFi status message: SPI timeout<LF>WiFi module is idle<LF>Error retrieving WiFi status message: SPI timeout<LF>Error retrieving WiFi status message: SPI timeout<LF>Error retrieving WiFi status message: SPI timeout<LF>Error retrieving WiFi status message: SPI timeout<LF>Error retrieving WiFi status message: SPI timeout<LF>WiFi module is idle<LF>

          Do anyone have an idea what i could have damaged or what is wrong? maybe i forgot something?

          dc42undefined 1 Reply Last reply Reply Quote 0
          • SupraGuyundefined
            SupraGuy
            last edited by

            No expert here, but does your board remember your network?

            Is the M587 command still in your config.g?

            M587 S"WiFiForSupraGuy" P"SupraGuysSuperSecurePassword"
            

            You can enter just

            M587
            

            using your terminal, and it should tell you what networks it remembers. I generally start wifi troubleshooting with purging all of those, and adding them again.

            You could purge all networks with:

            M588 S"*"
            

            Or just specify the networks you want to forget.

            Lead screw driven printer, powered by Duet 2 Wifi
            MPCNC powered by Duet 2 Wifi
            CoreXY printer driven by Duet 3 6HC
            LowRider CNC powered by Duet 2 Wifi

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            • dc42undefined
              dc42 administrators @sixfeetunder
              last edited by

              @sixfeetunder said in Duet Wifi heats Bed and Hotend from start:

              So now i switched the chip and i think i did a quite bad job, but it should work. at least from my point of view. The board is still working (can connect to it with yat and the heat LEDs are not flashing from start). so far so good. but now i have another problem: when i start the board and want connect to wifi, the wifi module is blinking blue and then switches off. in yat i get following message:

              M552 S1
              ok<LF>Error retrieving WiFi status message: SPI timeout<LF>WiFi module is idle<LF>Error retrieving WiFi status message: SPI timeout<LF>Error retrieving WiFi status message: SPI timeout<LF>Error retrieving WiFi status message: SPI timeout<LF>Error retrieving WiFi status message: SPI timeout<LF>Error retrieving WiFi status message: SPI timeout<LF>WiFi module is idle<LF>

              Do anyone have an idea what i could have damaged or what is wrong? maybe i forgot something?

              Try re-installing DuetWiFiServer.bin. If it is already on the SD card, you can do this by sending M997 S1.

              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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              • sixfeetunderundefined
                sixfeetunder
                last edited by sixfeetunder

                @SupraGuy
                i tried that already, but thanks for your help 🙂

                @dc42 said in Duet Wifi heats Bed and Hotend from start:

                M997 S1

                i placed DuetWiFiServer-1.21.bin on the sd card and tried your command. But i guess it doesnt work as expected. This is what i get back:

                M997 S1
                Trying to connect at 230400 baud: failed<LF>Trying to connect at 115200 baud: failed<LF>Trying to connect at 74880 baud: failed<LF>Trying to connect at 9600 baud: failed<LF>Error: Installation failed due to comm write error<LF>ok<LF>

                thanks for the fast reply

                edit: i tried it in root and in sys directory

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

                  @sixfeetunder I think the file has to be named exactly DuetWiFiServer.bin

                  Z-Bot CoreXY Build | Thingiverse Profile

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                  • sixfeetunderundefined
                    sixfeetunder
                    last edited by

                    Thanks for the hint. i renamed it and recognized that there was already a file like this in the sys folder. i replaced it anyways with the new one but i get the same result "installation failed..."

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                    • Jacotheronundefined
                      Jacotheron
                      last edited by

                      The Baud Rate is the data rate at which the main processor communicates with the Wifi chip, using the UART / Serial protocol.

                      The fact that it fails to get any response, tells me there is an issue where a trace between the 2 may have an issue.

                      The UART communication uses 2 data lines: TX (transmit) and RX (receive); the TX of one goes to the RX of the other. If a data line is damaged, the communication will fail.

                      One of the other guys might be able to tell you where to look for these traces.

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                      • sixfeetunderundefined
                        sixfeetunder
                        last edited by

                        okay, thanks. i guess you are right. i can do a firmware upgrade and everything works fine, but it looks like the processort cant communicate with the wifi chip properly. I can set the wifi to active and inactive but connecting to my wifi will result in an error every time. Additionally, as already pointed out, the update of the wifi firmware itself wont work...

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                        • dc42undefined
                          dc42 administrators
                          last edited by

                          My guess is that you had a transient or short to the 5V or the 3.3V power rail, which damaged both U11 and the WiFi module. So I think you need to replace the WiFi module. The good news is that it's easier to solder than U11 because the pads are larger.

                          The correct replacement part is ESP-12S, or ESP-07S (the S is important) if you want the version with external antenna. These are are readily available on eBay.

                          Please note, the other component that is easily damaged by over-voltage on the 3.3V rail is the main processor. So I suggest you check first that the processor is not getting hot (slightly warm is normal) and the other functions of the Duet are working properly.

                          From the photo, it looks like your Duet was revision 1.04, in which case it might still be under 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

                          sixfeetunderundefined 1 Reply Last reply Reply Quote 0
                          • sixfeetunderundefined
                            sixfeetunder @dc42
                            last edited by

                            @dc42 thanks for your informative answer. the WiFi Was working before i tried my soldering skills on the U11, thats why i wanted to figure out what i might have damaged 🤕
                            the Board is only 6 Weeks old thats why i asked the Internet Shop where i bought It if warranty is an option, but they refused. Do you think i should ask at the headquarters in uk?

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                            • dc42undefined
                              dc42 administrators
                              last edited by dc42

                              If the internet shop was one of our official distributors (see the list at the bottom of https://www.duet3d.com/DuetWifi) then they would typically refer warranty enquiries to us, unless they had reason to believe that the Duet had been abused.

                              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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                              • sixfeetunderundefined
                                sixfeetunder
                                last edited by

                                they asked me to open this forum Post and After the First few posts they thought i damaged it myself, because the most likely reason was that i created a short.
                                it would be really nice if i could get warranty because i didnt Do anything harmful to the Board (at least i dont know about something). Do you think i should try to contact your Support Directly?

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                                • dc42undefined
                                  dc42 administrators
                                  last edited by dc42

                                  I'll discuss this with my colleagues and we'll get back to you, probably by email.

                                  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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                                  • sixfeetunderundefined
                                    sixfeetunder
                                    last edited by

                                    thank You!

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                                    • sixfeetunderundefined
                                      sixfeetunder
                                      last edited by

                                      @dc42 i am maybe a bit impatient, but are there any news in this topic? 😇

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                                      • dc42undefined
                                        dc42 administrators
                                        last edited by dc42

                                        I'm sorry, one of my colleagues should have got back to you. I have chased them. We agreed the warranty replacement.

                                        If you purchased directly from duet3d.com then you will need to complete the warranty form, see https://docs.google.com/forms/d/e/1FAIpQLSdyf6gGP_ncZachWi2HH7qx1kc5TE9WeEbz83VFBckm1JBXbQ/viewform.

                                        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

                                        T3P3Tonyundefined 1 Reply Last reply Reply Quote 0
                                        • T3P3Tonyundefined
                                          T3P3Tony administrators @dc42
                                          last edited by

                                          @sixfeetunder please email info@duet3d.com if you have filled in the warranty form already, if not please fill that in as David has linked

                                          www.duet3d.com

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                                          • sixfeetunderundefined
                                            sixfeetunder
                                            last edited by sixfeetunder

                                            this are great news. thanks! unfortunately i didnt buy it from duet3d directly, but from makerdise.com. how should i proceed under that circumstances? @T3P3Tony

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