Using this FAN Module for Stepmotor is quite straightforward. First, connect the power supply within the 9 - 24V range. Then, connect the stepper motors (X, Y, Z) to the appropriate ports. If you're using Arduino IDE, you can refer to the provided code example. Just make sure to get the complete code from the given link. For UIFlow, check out the Blockly Platform to explore easy servo programming. When it comes to maintenance, keep the module clean and free from dust. If you use the optional 5V FAN module for heat dissipation, ensure it's working properly. Also, be careful when handling the module to avoid any physical damage.