Interesting, even after a reboot today it's not working. Maybe I will check my power supply.
Edit
Scratch that, after running the demo.py script, it kicked it into working again. May look into my power supply just to be safe. This one is weird.
In response to the 13 characters, it shouldn't ever be that long. My bitcoin miner doesn't hash that much, but I could break it from MH/s to GH/s and further reduce characters.