I see an error code on the Display. What should I to do? An error code shows that there are something wrong. We suggest that you contact customer service soon. The bicycle will not be damaged if you continue to use it. Check the error codes here. Related articles 0811 Error Video Tutorials: OLI Display Features Is the motor noisy whilst running? Do I need to completely discharge the battery before charging it in order to increase the battery life? How many versions of the OLI eBike System are there?