The Ice maker is a fairly simple mechanical device made of six main components. The control module, which contains a small motor, that drives a gear with a conductive pattern on the back, energizing various components at the proper time as it rotates. The harvesting arm removes formed ice cubes. The ice maker thermostat is normally open and closes temporarily when the ice has frozen energizing the mold heater and causing the motor to rotate again. The mold heater warms the mold causing your ice cubes o melt slightly for easy removal. The bail arm opens and closes a small contact inside the control module interrupting power if it senses the ice bin is full. Lastly the water valve supplies the high quality h2O necessary for ice production.