Elevator warranty period

To answer your first question, the warranty period of the elevator is 1 year, and the manufacturer will repair and maintain it for free within one year. The warranty period of the elevator begins with the acceptance after you install the elevator.

I haven't heard that the warranty period of elevators is more than one year. After more than a year, the property management company will find a special elevator maintenance company. There is nothing wrong with the inverter. What department did you take? If there is nothing wrong with the inverter, it can work normally with a new one. It's just a problem with the inverter. In general, frequency converters are tested by professional manufacturers.