Massimo MGC - Common Breakdowns and Solutions

4-2-2 Common Breakdowns
No.
Fault
fault cause
elimination methods
1
Throttle disable or
tope speed is low
（1）low battery voltage；
（2）loosen of the wire in throttle；
（3）spring stuck in throttle may failed.
（1）Charge the battery fully；
（2）reweld；
（3）clean or replace the throttle。
2
Motor does not
work with power on
（1）the controller is protected due to the low voltage；
（2） loosen of the wire in throttle ；
（3）motor hub connection plug loose or damaged.
（1） Charge the battery fully ；
（2） reweld ；
（3）call for professional or repair shop
3
Insufficient mileage
for a single charge
（1）low tire pressure；
（2）insufficient charging or charger failure；
（3）ageing of battery.
（1）inflate the tire；
（2）full charge or check the charger plug；
（3）replace the battery。
4
Charger not
charged
（1）charger socket off or plug losse；
（2）charger fuse blew out；
（3）the battery wiring off.
（1）tighten the socket and connector；
（2）replace the same type of fuse；
(3)welding the wiring。
5
Hard to ride and
slow speed
（1）check if the brakes are blocked；
（2）check the tire pressure;
（3）battery low voltage；
（4）lose oil in front and rear axles，or the shaft is too tight to flex.
（1）adjust the brake；
（2） inflate the tire ；
（3）charge the battery；
（4）clean with grease.
6
Noise during the
ride
（1）screws and nets are loose；
（2）wheels touching fork and frame；
（3）chain wheel or chain grinding cover。
（4）ball wear or breakage in axles。
（1）tighten loose screws and nuts；
（2）adjust the wheels；
（3）adjust the wheel cover；
（4）replace the balls.
7
Other faults
When you find faults you can’t solve or not mentioned above
Call the distributor or repair shop