What are the causes of the C2402 motor failure in the All New Santa Fe?

[DelGriffin]

The causes of the C2402 motor failure in the All New Santa Fe are as follows: 1. The motor power supply voltage is too high or too low: A low power supply voltage will reduce the motor torque, make it difficult to start, and also cause the running motor to slow down and increase current. 2. Unbalanced three-phase power supply voltage: Short circuits, open circuits, grounding, poor contact on the line, or faults in the power transformer itself can cause unbalanced three-phase power supply voltage. If the unbalanced three-phase voltage connected to the motor exceeds 5% of the average deviation, strong vibration or unbalanced three-phase current will occur. 3. Motor phase loss operation: Motor phase loss operation, also known as open-phase operation, can be caused by broken power wires, blown fuses or fuse links in one phase, burnt electrical connections in one phase, poor contact in one phase of the switch, oxidized and burnt motor terminals, or open and short circuits in the motor winding itself.