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    Can't connect to wifi after firmware update

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    • Artyundefined
      Arty
      last edited by

      Hello. I'm new owner of duet wifi and also was experiencing problems with connecting. My wifiserver version 1.20 (also I had problems with preinstalled 1.19). In the beginning it connected but I've had numerous connection losts and AJAX webcontrol errors. So I've tried updating it to 1.20 version. It worked some time but after that it stopped connecting at all. Changing channels (btw in my flat it's totally useless because ALL 2.4ghz channels are overloaded, so I mainly use 5ghz wifi for my devices), wifi modes, I've tried everything - even using dedicated asus rt-n66u router solely for duet, but it wasn't any help.
      And when I was totally frustrated I've tried to connect to my neighbour's open (no password) DIR-320 router (d-link I presume).
      And it connected with no problems! Webcontrol was loading just instant, no AJAX errors at all.
      So today I want to try creating AP with no password on my routers and see how it goes with duet. (Also want to try static IP address).

      upd:

      1. static address - nope, it didn't help. It connected and got IP but I couldn't open webcontrol, it starts loading but very slow.
      2. Created AP with no password - connected with no problems.
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      • dc42undefined
        dc42 administrators
        last edited by

        Interesting, I wasn't aware that enabling/disabling WPA2 could make a difference. Have you tried DuetWiFiserver 1.20+1 yet? It's at https://github.com/dc42/RepRapFirmware/blob/dev/EdgeRelease/DuetWiFiServer.bin (follow the link, then press Download).

        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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        • briangilbertundefined
          briangilbert
          last edited by

          So although I thought reverting to 1.20 duetwifiserver resolved the issue I am still getting DWC disconnects, just far less often now.

          Co-creator of the Zesty Nimble direct drive extruder

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          • Gaza07undefined
            Gaza07
            last edited by

            I have had a lot of the same issues using the v1.20+1 I used to get the odd issue with v1.20 but no where near as much as v1.20+1 I will revert back to v1.20 for now

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            • Artyundefined
              Arty
              last edited by

              @dc42:

              Interesting, I wasn't aware that enabling/disabling WPA2 could make a difference. Have you tried DuetWiFiserver 1.20+1 yet? It's at https://github.com/dc42/RepRapFirmware/blob/dev/EdgeRelease/DuetWiFiServer.bin (follow the link, then press Download).

              Sorry no help. I'm still using with AP without password (set my AP to use MAC address filters because of security). Sometimes I experience rare disconnects.
              AP with WPA2 password just don't work in my case. Firmware now - 1.21RC0 and 1.20+1 wifi.

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              • briangilbertundefined
                briangilbert
                last edited by

                Just reporting back that after updating my network gear to Ubiquiti Unifi kit everything is working properly again.

                Co-creator of the Zesty Nimble direct drive extruder

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                • dc42undefined
                  dc42 administrators
                  last edited by

                  Brian, what make/model of router were you using before when you had the disconnections?

                  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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                  • Dougal1957undefined
                    Dougal1957
                    last edited by

                    David just for info My Wifi wont connect at all to my Netgeear D6400 router but works to the cheap TP-Link travel router think it is a TL-720N or whatever I am due to change provider next week so will see what there Router is like I will report Back later.

                    Doug

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                    • MortarArtundefined
                      MortarArt
                      last edited by MortarArt

                      I'm getting the same error now, since replacing my power supply. When I turn the Duet on, it either reports no wifi networks, or that it "failed while trying to connect" to the one it previously used without issue.

                      So back to troubleshooting!

                      17:04:00.737 : serial: M552 S1
                      17:04:00.742 : WiFi: mode : sta(5c:cf:7f:76:73:38)
                      17:04:00.743 : WiFi: add if0
                      17:04:02.931 : WiFi: scandone
                      17:04:02.939 : WiFi: ../src/SocketServer.cpp(353): found network BLANK1
                      17:04:02.945 : WiFi: ../src/SocketServer.cpp(353): found network BLANK2
                      17:04:02.954 : WiFi: ../src/SocketServer.cpp(353): found network BLANK3
                      17:04:02.961 : WiFi: ../src/SocketServer.cpp(353): found network BLANK4
                      17:04:02.969 : WiFi: ../src/SocketServer.cpp(353): found network ETC
                      17:04:03.015 : WiFi: sleep enable,type: 2
                      17:04:03.578 : N13 M10521
                      17:04:05.206 : WiFi: scandone
                      17:04:05.208 : WiFi: state: 0 -> 2 (b0)
                      17:04:06.209 : WiFi: state: 2 -> 0 (2)
                      17:04:06.210 : WiFi: reconnect
                      17:04:06.645 : N14 M105
                      18
                      17:04:08.401 : WiFi: scandone
                      17:04:08.403 : WiFi: state: 0 -> 2 (b0)
                      17:04:09.402 : WiFi: state: 2 -> 0 (2)
                      17:04:09.403 : WiFi: reconnect
                      17:04:09.707 : N15 M105*19
                      17:04:11.593 : WiFi: scandone
                      17:04:11.596 : WiFi: state: 0 -> 2 (b0)
                      17:04:12.595 : WiFi: state: 2 -> 0 (2)
                      17:04:12.596 : WiFi: reconnect
                      17:04:12.598 : ESP reported status change
                      17:04:12.598 : WiFi reported error: Failed while trying to connect to BLANK3
                      17:04:12.598 : WiFi module is idle
                      17:04:12.598 : WiFi: scandone
                      17:04:12.598 : WiFi: del if0
                      17:04:12.599 : WiFi: usl
                      17:04:12.601 : WiFi: mode : null

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                      • MortarArtundefined
                        MortarArt
                        last edited by MortarArt

                        Not too sure if it's relevant, but I'm getting reset buffer blocks via the COM port now. Not sure if that was happening previously.

                        Firmware version 2.02beta1(RT0S) - date 2018-08-12b5
                        Duet Wifi 1.02 or later

                        Using M588 S"*" to forgot the existing network, allowed me to use M587 S"network" P"password" to connect (M552 S1) to a new network. I'll check now if I can still connect to the old one.

                        Final edit; problem solved by deleting the network and reconnecting. No idea why.

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