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    Flight Core 2 Firmware update through QGC

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    • V
      VictorG
      last edited by

      I am trying to setup my new Flight Core 2, but when I connect it to a USB port on my Windows 11 laptop with QGC 5.0.6 I get a message pop up saying "Power surge on the USB port".

      Screenshot 2025-07-25 163305.png

      unnamed.jpg

      The Flight Core 2 also got pretty hot -- I hope it didn't get fried!

      Also, I am not clear from the rather brief documentation what file I need to download and use for the firmware update.

      Do I need to use SDK 1.1 specifically or should I use the latest (1.5)? That directory contains

      modalai_fc-v2_1.14.0-2.0.105.bin 05-Jun-2025 22:24 1867164
      modalai_fc-v2_1.14.0-2.0.105.px4 05-Jun-2025 22:24 1758094
      modalai_fc-v2_1.14.0-8.104.3.bin 05-Jun-2025 22:37 1896744
      modalai_fc-v2_1.14.0-8.104.3.px4 05-Jun-2025 22:37 1786598

      but the doc mentions voxl_SDK_*1.1.0.tar.g.

      V 1 Reply Last reply Reply Quote 0
      • V
        VictorG @VictorG
        last edited by

        Hi, any word on this? At this point I am not able to use this product and wonder whether it is defective and needs to be replaced. Please advise.

        ModeratorM 1 Reply Last reply Reply Quote 0
        • ModeratorM
          Moderator ModalAI Team @VictorG
          last edited by

          @VictorG have you looked at the instructions here? https://docs.modalai.com/flight-core-v2-usb-to-qgc/

          V Michael MortensenM 2 Replies Last reply Reply Quote 0
          • V
            VictorG @Moderator
            last edited by

            @Moderator yes, or at least I tried to. In this step:

             confirm the “Serial Port” is correctly listed
            

            QGC listed COM3 - COM6 but I couldn't determine easily how those map to my USB ports. At that point I noticed that the device is getting VERY hot, so decided to stop.

            Is it normal for it to get so hot? Combined with the "power surge" warning I thought it was safer to stop before smoke.

            I was able to use QGC to flash my Pixhawk 2.4.8 with PX4 with no problems, so I am pretty sure there is nothing wrong with the port or with QGC.

            1 Reply Last reply Reply Quote 1
            • Michael MortensenM
              Michael Mortensen @Moderator
              last edited by

              @Moderator
              I am having a similar issue. I purchased 3 of the Flight Core 2 boards. And, I tried 3 different micro USB cables. I am not getting any power to any of the Flight Core 2 boards from my PC laptop. I am using Windows 11 as well. I am unable to connect to any port on the laptop. I did try to connect one of the boards to a Mac computer through the Micro USB to USB connection. The board started to heat up and I had to disconnect. Is there a specific Windows driver needed for the Flight Core 2? I am at a loss at this point.

              1 Reply Last reply Reply Quote 0
              • Martin LukacM
                Martin Lukac
                last edited by

                I've had almost the exact same thing happen but I think ours got hot enough to desolder a part (see pictures). Feels like a manufacturing issue. Is there a way to send it in for an RMA/replacement/etc?

                Here is more info:

                We have a FC2.

                The FC2 is brand new (purchased within the last couple months).

                We did the following:

                • connected the USB cable '10' to J3.
                • connect a known working micro-usb cable to my laptop running QGC.
                • didn't here the usual windows 'new usb device sound'

                This was the first time we connected this board. We didn't see any LED's turn on within a second or two so we picked it up by the corners and noticed it was VERY hot.

                We quickly disconnected everything.

                We inspected the board and found a component on the bottom looks like it shifted off it's solder pads. See attached picture. We didn't inspect the board before hadn

                What could have caused this? Especially given a few others have had this.

                Thanks!

                PXL_20250801_213400321.jpg

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