If you are not a specialist in repair, then it is better not to waste your time, but to contact the service center. With a lack of experience and knowledge, repairing a scooter can lead to incorrect replacement of parts and you can damage the scooter or other electric parts, as a result, leads to the fact that repairs become more expensive!
Repairs to the battery pack may result in explosion and fire. Incorrect replacement of the mechanical part leads to irreversible consequences.