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    Solved Flickering paneldue

    PanelDue
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    • Exerqtor
      Exerqtor last edited by Exerqtor

      Just got my printer powered up after swapping to Duet3 (mini5+2) with a 1LC(v1.2) since my Duet2 bit the dust, and i'm at the point where i THINK i've worked out my config bugs etc. 😆

      So then start focusing and derping around on the PanelDue (5" v3, connected via 4-wire) to check if everything worked on that end i noticed the backlight (or so i think at least) is flickering. Were talking about maybe 3-5Hz or something. And looks like it stops flickering when it dimms down due to inactivity before the screensaver turns on.

      The board is powered through VIN/24V and the PD is the only componet hooked up that's running on 5V atm. and everything has been updated to 3.4.1-r1.

      Any clues to what might be the deal here? I've checked the crimps and ohmed all 4 wires going to the PD and they seem good.

      Here's a little snippet of what i'm talking about: https://youtu.be/jAfHdi10uq0

      jay_s_uk dc42 2 Replies Last reply Reply Quote 0
      • jay_s_uk
        jay_s_uk @Exerqtor last edited by

        @exerqtor what type of heated bed do you have?

        Owns various duet boards and is the main wiki maintainer for the Teamgloomy LPC/STM32 port of RRF. Assume I'm running whatever the latest beta/stable build is

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

          @exerqtor does it still flicker if you disconnect it from the Duet and power it from its USB port? If so then please submit a warranty claim to warranty@duet3d.com.

          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

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

            @jay_s_uk said in Flickering paneldue:

            @exerqtor what type of heated bed do you have?

            230V, it don't mather if the bed is on or off though!

            @dc42 said in Flickering paneldue:

            @exerqtor does it still flicker if you disconnect it from the Duet and power it from its USB port? If so then please submit a warranty claim to warranty@duet3d.com.

            Haven't tried that yet, i'll to it later today. Worked just fine before though, and the only thing i did was to shorten/recrimp the mobo side of the wires 🤔

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

              @exerqtor said in Flickering paneldue:

              Haven't tried that yet, i'll to it later today. Worked just fine before though, and the only thing i did was to shorten/recrimp the mobo side of the wires

              A bad crimp connection in the 5V or ground wire could cause that flickering.

              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

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

                @dc42 didn't help to recrimp, but with this behaviour the most likely problem is the PD? In that case it would be a good reason to swap for a 5i or 7i 😆

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

                  @exerqtor did you try powering the PD from its USB port?

                  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

                  Exerqtor 2 Replies Last reply Reply Quote 0
                  • Exerqtor
                    Exerqtor @dc42 last edited by Exerqtor

                    @dc42 said in Flickering paneldue:

                    @exerqtor did you try powering the PD from its USB port?

                    Haven't gotten around to do it yet, got quite a backlogg of stuff i have to get printed first now that the printer is actually up and working 😶

                    1 Reply Last reply Reply Quote 0
                    • Referenced by  Exerqtor Exerqtor 
                    • Exerqtor
                      Exerqtor @dc42 last edited by

                      @dc42 Looks like I found the problem, like mentioned in another thread I just re-soldered the WiFi module. And now the flickering seems to have stopped. COULD a weak/bad solderpoint to the WiFi module have caused this? Or am i grasping at straws?

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

                        @Exerqtor said in Flickering paneldue:

                        @dc42 Looks like I found the problem, like mentioned in another thread I just re-soldered the WiFi module. And now the flickering seems to have stopped. COULD a weak/bad solderpoint to the WiFi module have caused this? Or am i grasping at straws?

                        IMO it's unlikely that resoldering the wifi module would affect the PanelDue.

                        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

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

                          It's subsided atleast, so i'm a happy chap 😅

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

                            @Exerqtor I'll mark this as solved but feel free to revert it if the problem occurs again.

                            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 1
                            • Topic has been marked as a question  dc42 dc42 
                            • Topic has been marked as solved  dc42 dc42 
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