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    Wifi not connecting

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    Duet Hardware and wiring
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    • Phaedruxundefined
      Phaedrux Moderator
      last edited by

      Try reflashing the wifi server?

      Z-Bot CoreXY Build | Thingiverse Profile

      Paddyundefined 1 Reply Last reply Reply Quote 0
      • Paddyundefined
        Paddy @Phaedrux
        last edited by

        @Phaedrux said in Wifi not connecting:

        Try reflashing the wifi server?

        I have reflashed the WiFi server. Didn't help

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        • SIamundefined
          SIam
          last edited by

          have you tried to flash the latest stable rrf version 3.0?

          Hypercube-Evolution-Hybrid, Piezo Orion, Orbiter
          Duet WiFi 1.02 or later + DueX5
          RepRapFirmware for Duet 2 WiFi/Ethernet 3.4.0beta4 (2021-09-27 11:30:36)
          Duet WiFi Server: 1.26
          Duet Web Control 3.4.0beta4 (2021-09-27)

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          • Phaedruxundefined
            Phaedrux Moderator
            last edited by

            When connected to a USB terminal, send M98 Pconfig.g and see if you're getting any errors on execution.

            Z-Bot CoreXY Build | Thingiverse Profile

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            • Paddyundefined
              Paddy
              last edited by

              I really want to thanks both of you guys for taking the time to help.

              @Phaedrux M98 Pconfig.g returned no errors.

              @SIam I flashed fw 3.0 but still got the error. I reflashed wifiserver 1.23 but still couldn't connect. Finally I deleted my known network and reapplied it and this time it connected no problem.

              It's a strange one as it was connecting fine with 3.0-beta3 until it stopped for seemingly no reason.

              I think I'll stay with 3.0-release for the time being.

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              • A Former User?
                A Former User
                last edited by

                This thread deals with something similar, suggested bad wifi module. But maybe you can verify you've tried the suggestions there
                https://forum.duet3d.com/topic/10139/failed-to-add-ssid-to-remembered-list-duet-2-wifi

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                • Paddyundefined
                  Paddy @A Former User
                  last edited by

                  @bearer said in Wifi not connecting:

                  This thread deals with something similar, suggested bad wifi module. But maybe you can verify you've tried the suggestions there
                  https://forum.duet3d.com/topic/10139/failed-to-add-ssid-to-remembered-list-duet-2-wifi

                  I was thinking that was the problem, but then it worked in AP mode so that cast some doubt in my mind.

                  Anyway after multiple re-flashes and networks deleted and added it has started to work again.

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                  • Phaedruxundefined
                    Phaedrux Moderator
                    last edited by

                    Maybe the firmware is revolted by being on a clone. 😰

                    Z-Bot CoreXY Build | Thingiverse Profile

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                    • Paddyundefined
                      Paddy @Phaedrux
                      last edited by

                      @Phaedrux Possibly 🤣

                      I was upfront about using a clone and therefore appreciate the help given.

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                      • A Former User?
                        A Former User
                        last edited by

                        The majority doesn't care one way or the other, but it's nice to know as component quality can be a factor.

                        I haven't studied the protocol between the esp and the duet, but I imagine AP mode is simpler than returning a list of networks so wouldn't be surprised if it worked despite failing at STA mode.

                        Silly question, but are you sure the wifi firmware upload was a success? If you have serial access maybe worth downgrading and upgrading to be relatively sure it works?

                        Paddyundefined 1 Reply Last reply Reply Quote 0
                        • Paddyundefined
                          Paddy @A Former User
                          last edited by

                          @bearer said in Wifi not connecting:

                          Silly question, but are you sure the wifi firmware upload was a success? If you have serial access maybe worth downgrading and upgrading to be relatively sure it works?

                          Yeah I'm sure. I was actually running the previous version when the problem first appeared. I found a post that said it could be caused by the fw versions getting out of step - so upgrading to 1.23 was one of the first things I tried.

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                          • dc42undefined
                            dc42 administrators
                            last edited by

                            It might be worth measuring the voltage on the +3.3V rail, to see if it is within tolerance. The WiFi modules are fussier than other chips on the Duet WiFi about the supply voltage they get.

                            Is it the same ESP-12S module that we use on genuine Duets, or is it one of the older ESP-12 series modules?

                            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

                            Paddyundefined 1 Reply Last reply Reply Quote 0
                            • Paddyundefined
                              Paddy @dc42
                              last edited by Paddy

                              @dc42 said in Wifi not connecting:

                              It might be worth measuring the voltage on the +3.3V rail, to see if it is within tolerance. The WiFi modules are fussier than other chips on the Duet WiFi about the supply voltage they get.

                              Is it the same ESP-12S module that we use on genuine Duets, or is it one of the older ESP-12 series modules?

                              It's the ESP-8266MOD.

                              It's been rock solid for a year before it played up. Now that it's working again and has been stable for the last couple of days, I'm reluctant to start poking around with a probe. It would be just like me to short it out.
                              If it plays up again I'll bear it in mind to check.

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