Why does Fan motor not work in 1 or 2 but comes works in 3 4 5?

The fan motor may not work in settings 1 or 2 due to insufficient power being supplied to the motor at those lower speeds, possibly caused by a faulty resistor or speed control module. In settings 3, 4, and 5, the motor receives adequate voltage, allowing it to operate effectively. Additionally, there may be an issue with the wiring or connections that only affects the lower settings. A thorough inspection of the fan's components would be needed to pinpoint the exact cause.