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Getting response from paneldue5i, but screen black

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Duet Hardware and wiring
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  • undefined
    Lachlan
    last edited by 21 Aug 2024, 02:33

    I have connected a paneldue5i to a duet 2. Ran the firmware, checked the M575 code. All there
    For some reason the screen is black but when I touch the screen where the commands should be the paneldue responds. For instance, if I press 'home' the printer will home, but I cannot see anything on the screen itself.

    undefined 1 Reply Last reply 21 Aug 2024, 11:09 Reply Quote 0
    • undefined
      droftarts administrators @Lachlan
      last edited by 21 Aug 2024, 11:09

      @Lachlan What version of RRF are you running on the Duet? Is this a new PanelDue 5i?

      If you disconnect the PanelDue from the Duet, and power the PanelDue from the USB cable, does the screen come on? If not, it's likely to be:

      1. The wrong firmware has been put on the PanelDue. To flash the new firmware, see https://docs.duet3d.com/en/User_manual/RepRapFirmware/Updating_PanelDue. The easiest way to do this is following the 'Firmware update via Duet', once you have found the correct firmware binary for the PanelDue.
      2. If you've tried the above and still no joy, the backlight driver has probably failed. Not much you can do about this. If the PanelDue is in warranty still, it will be replaced. When and where did you buy it from?

      Ian

      Bed-slinger - Mini5+ WiFi/1LC | RRP Fisher v1 - D2 WiFi | Polargraph - D2 WiFi | TronXY X5S - 6HC/Roto | CNC router - 6HC | Tractus3D T1250 - D2 Eth

      undefined 1 Reply Last reply 23 Aug 2024, 00:13 Reply Quote 0
      • undefined
        Lachlan @droftarts
        last edited by 23 Aug 2024, 00:13

        @droftarts I have 3.4.0 on the screen and 3.4 on the duet 2. Have tried uploading the firmware many times with no joy.
        Getting the exact same response when I plug the Paneldue into the computer. The computer and BOSSA recognise the screen, but the screen is still black.
        With these things in mind, I believe that the back light driver has failed as you said. I believe this happened when the previous Motherboard shorted out when a contractor was attempting to re-wire it. So probably not valid on warranty.
        Thank you for your help
        Lachlan

        undefined 1 Reply Last reply 23 Aug 2024, 07:03 Reply Quote 1
        • undefined
          droftarts administrators @Lachlan
          last edited by 23 Aug 2024, 07:03

          @Lachlan the backlight inverter can be replaced though it is a tricky soldering job; see https://docs.duet3d.com/en/User_manual/Troubleshooting/Parts#paneldue-tft-panel-backlight-inverter-ic

          Ian

          Bed-slinger - Mini5+ WiFi/1LC | RRP Fisher v1 - D2 WiFi | Polargraph - D2 WiFi | TronXY X5S - 6HC/Roto | CNC router - 6HC | Tractus3D T1250 - D2 Eth

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