1
Fault name: stator winding
Failure Mode: Burnout
Fault description: The motor windings are burned out due to short circuit or high operating temperature of the motor, and the motor needs to be replaced
2
Fault name: stator winding
Failure Mode: Breakdown
Fault description: The insulation breakdown of the motor winding causes a short circuit in the motor casing or a short circuit between turns of the winding, and the motor needs to be replaced
3
Fault name: motor speed/position sensor
Failure Mode: Functional Failure
Fault Description: The motor speed/position signal cannot be generated, causing the drive motor system to fail to work
4
Fault name: rotor spline
Failure Mode: Fractured or Chipped
Fault description: The rotor spline is broken or polished, and the torque cannot be transmitted
5
Fault name: Wiring board
Failure Mode: Burnout
Fault Description: The electrical connection between the controller and the motor fails and needs to be replaced
6
Fault name: Wiring board
Failure Mode: Breakdown
Fault description: short circuit between the output lines of the controller or short circuit to the shell
7
Fault name: motor bearing
Failure Mode: Fragmentation
Fault description: The motor bearing is broken and cannot support the rotor normally, the motor needs to be replaced
8
Fault name: motor bearing
Failure Mode: Burnout
Fault Description: Motor bearing temperature is too high
9
Fault Name: Controller Capacitance
Failure Mode: Burnout
Fault description: The capacitor itself or the connection of the controller is invalid and needs to be replaced
10
Fault Name: Controller Capacitance
Failure Mode: Breakdown
Fault Description: Short circuit between the positive and negative poles of the controller capacitor or to the shell, need to be replaced
11
Fault name: controller power device
Failure Mode: Burnout
Fault description: The power device function fails and needs to be replaced
12
Fault name: controller power device
Failure Mode: Breakdown
Fault description: short circuit between the anode, cathode and gate of the power device or the terminal to the shell, need to be replaced
13
Fault Name: Controller Voltage/Current Sensor
Failure Mode: Burnout
Fault description: The sensor function fails, causing the controller to fail to operate normally and needs to be replaced
14
Fault Name: Controller Voltage/Current Sensor
Failure Mode: Breakdown
Fault Description: The sensor is short-circuited between the positive and negative poles or to the shell, causing the controller to fail to operate normally and needs to be replaced
15
Fault name: charging contactor/main contactor
Failure Mode: Burnout
Fault description: The wire package or contact of the contactor is burned, resulting in functional failure and needs to be replaced
16
Fault name: charging contactor/main contactor
Failure Mode: Clearance Out of Tolerance
Fault description: The contactor cannot be reliably contacted or disconnected, causing the controller to fail to operate normally and needs to be replaced
17
Fault Name: Circuit Board
Failure Mode: Burnout
Fault Description: Some components of the circuit board are burned out, resulting in the loss of some or all functions of the circuit board, and the controller cannot operate
18
Fault Name: Circuit Board
Failure Mode: Breakdown
Fault description: Some components of the circuit board break down or the live part breaks down on the mounting support and the shell, resulting in the loss of some or all functions of the control board, and the controller cannot operate normally
19
Fault name: Charging resistor
Failure Mode: Burnout
Fault Description: The controller cannot operate normally and needs to be replaced
20
Fault Name: Fuse
Failure Mode: Burnout
Fault Description: The controller cannot operate normally and needs to be replaced
twenty one
Fault name: cables and connectors
Failure Mode: Burnout
Fault description: The cables and connectors are short-circuited or grounded due to wear or other reasons, causing the controller to fail to work normally
twenty two
Fault name: temperature sensor
Failure Mode: Burnout
Fault description: The sensor function fails, the controller cannot work normally, and needs to be replaced
twenty three
Fault name: temperature sensor
Failure Mode: Breakdown
Fault description: short circuit between signal lines or short circuit to the shell, the controller cannot work normally and needs to be replaced
twenty four
Fault name: motor mounting bracket
Failure mode: fall off
Fault description: The motor has obvious displacement, and the car cannot move
25
Fault name: motor permanent magnet
Failure Mode: Performance Decay
Fault description: The performance of the motor is lower than the index specified in the technical conditions, resulting in a decline in the power performance of the vehicle
26
Fault Name: Communication
Failure Mode: Functional Failure
Fault Description: The controller does not work normally and needs to be replaced
27
Fault Name: Software
Failure Mode: Functional Failure
Fault Description: The controller does not work normally and needs to be replaced
Post time: Apr-22-2023