Common faults of Used Car

2024-11-27

When going to work in the morning, you often see many elderly people or parents driving Used Car to send students to school, but this kind of Used Electric Car often fails. Let us learn about the common faults of Used Car.

The noise of Used Car is a common problem. The main reasons are large bearing clearance in the motor, motor rotor sweeping, loose and falling magnets, axial movement inside the motor, oxidation, ablation, oil pollution, uneven surface of the brush motor commutator, and loose commutator segments.

The failure of the instrument panel to display is also a common fault of Used Car. The main reason for the failure is that there is no voltage between the positive and negative leads of the instrument, the wire or connector is short-circuited, or the instrument is damaged.

If the Used Electric Car is powered on, the wheels will turn, and the incremental speed is very fast. This fault is called flying car, which is mostly caused by the poor contact cycle of the ground wire of the turn handle, or it may be a controller failure.

The out-of-control horn of the Used Electric Car is mostly caused by damage to the horn, damage to the switch, or short circuit of the connecting wire or connector. These aspects are mainly checked during maintenance.

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