Vsett 9 scooter

I have vsett 9 scooter which some times gives connection fault error. I showed to mechanic but all connections seems working fine. No other issues with scooter or controller. The scooter has solid tyres but have original tyres to give away. I have 2 chargers for quick charging. Also, have new brake disk and pads. The scooter is one year old and available for sale in parts or full. Price for parts - 52V Battery - 200 Controller - 50 Display - 50 Charger - 50 Complete scooter - 400