Fill the ice maker with water, press the ON button, select the size of the ice cubes and that's it. When the water is insufficient or the ice basket is full, the indicator light will turn on. SELF-CLEANING & PORTABLE: Silonn ice Maker machine is portable and efficient with size of 12.3 x 8.7 x 12.5 inches. Press the ON/OFF button for 5 seconds to start the self-cleaning process.