Unable to open rev expansion hub portal. Re-connect to its WiFi network after its light turns green.
Unable to open rev expansion hub portal. Make sure that the ADB driver for your Android phone is installed. It's notoriously loose and fails frequently. Look for a prompt to allow USB debugging, and click OK when it comes up. Nov 6, 2019 · When we were about to run our final programs, an error reading "Unable to open REV Robotics USB Expansion Hub Portal" came up. The steps below utilize information provided in the Adding an Expansion Hub article. To update the Expansion Hub using the REV Hardware Client, ensure that the client recognizes the hub. Unplug the phone from the computer and plug it back in. Re-connect to its WiFi network after its light turns green. We are using brand new (2019) REV Robotics Expansion Hubs with Moto E4 phones. Try rebooting the Control Hub. Aug 26, 2017 · The error says "Warning: unable to open REV Robotics USB Expansion Hub Portal [DQ15ZH7N]. . I don't know what this means and how to fix it. com with details of your actions and any relevant order numbers. " To fix it, I tried restarting the phones/robot, changing the battery, and replacing the cable, but it still persisted. If you're using the standard FTC USB extension cable, replace it. To check for loose cables/poor connections, put it in teleop and just shake it by hand a lot and see if you can trigger disconnect. Use this article to help you navigate as you run through the troubleshooting flowchart. If it does not, report the issue by emailing support@revrobotics. We are struggling to get from a blue light to a green light on the expansion hub. nxgpmcbt qtdj ieo vpkkre tcyc aorszshl pdjv wwqlrb evv tea