Veleco Zt15 User Manual -

| Symptom | Likely Cause | User Action | |---------|--------------|--------------| | Won’t start | Key off, battery dead, freewheel mode on | Turn key on, charge battery, set freewheel to DRIVE | | Reduced speed / range | Low tire pressure, old batteries | Inflate tires; load-test batteries | | Intermittent power | Loose battery cable | Check connectors under seat | | Brakes feel weak | Low tire traction or wet surfaces | Reduce speed; dry brake disks by gentle application | | Error code E-04 | Throttle not returning to zero | Release throttle fully, restart scooter |

Plug the charger into a standard wall outlet; a red LED indicates charging is in progress. Charge until the LED turns green (typically ). Veleco Zt15 User Manual