Had it happen again today and confirmed it it is a 503 code. Bike worked fine, had it sitting for awhile mid ride and the computer turned off, then after 10 minutes of riding it read error and gave me minimal power. The walk assist was crawling at about .5 mph. Turbo gave barely any assistance...
Thanks, I didn't realize speed was the error code. I know it was reading a high number and the 50.3 in your picture looks familiar. I'll note it when it happens again.
All it reads is "error" and you can toggle the message off by selecting a mode like eMTB. However, at best there is a feeble power pulse that quits assisting the pedal stroke and for the most part there is no power until the error message goes away.
I have the powertube 500 stock for just over a month, bought brand new. Every few rides I'll have an issue where it says error on the display and there is intermittent to no power assist. You can toggle through the modes but no reaction. Turning it off and on doesn't fix the issue. Usually after...