I have a very similar Anker powered USB-C hub. Occasionally it gets into a state where it only connects at USB 2.x speeds. If you’re on Windows (Windows 10 at least) you can look at the “Bluetooth & other devices” settings to see whether the device is connected as USB 3.0 or not. Here’s what it looks like in my settings when USB 3.0 is failing (sometimes there’s also that Port Reset Failed device):
I verified that HDMI does not work when the hub is in this state. Often even rebooting doesn’t work to fix this problem for me. I’ve sometimes had success uninstalling all of the USB drivers and shutting down. And unplugging the hub power. And waiting a while. And then booting up.
I can usually recreate the problem simply by unplugging the hub and replugging it in again while the computer’s on. Or by simply unplugging the power from the hub while it’s plugged in. In fact, that’s what I did to test putting it into this bad state now. Unfortunately all of my normal solutions to getting it back connecting to USB 3.0 have failed. Honestly, I think there are various problems with some Framework USB ports which I’ve posted about here and there in these forums.
Right now, the hub does work correctly in the back right port (doesn’t matter which USB-C module I use):
It’s the left ports that I can’t get to work after doing my test. But I guess they were fragile to begin with.
Edit: I fixed the hub again by performing the following ritual: First, I pulled out all of the Framework USB modules in order to test plugging the hub into each port with each of my 2 USB-C modules one at a time. I took the first USB-C module and plugged it into the back left port and then plugged the hub into it. It did not connect as USB 3.0. I then pulled out the hub and USB-C module and plugged the module into the front left port and then plugged the hub into it. It appeared as USB 3.0. This was a pleasant surprise since the left front had not worked earlier today. Then I moved the USB-C module to the back left port again and plugged the hub into it, and now the USB 3.0 is happy again. Woo.