Can I install a wired light system on my eBike? Yes, our system is designed to manage 36V light systems, it provides the possibility to control them throught the pushbuttons or to set them in auto-mode. Related articles An error code appeared on the Display, but then it disappeared. What should I do? No assistance from the Engine? Is the motor noisy whilst running? I see an error code on the Display. What should I to do? Can I buy an 'OLI eBike System' drive system?