With each part of the circuity disassembled and removed from the main heating body, a schematic can be drafted to explain how the device works.

With each part mentioned, an explanation of how the device operates can be made. The red wire is connected to the yellow LED. The yellow/white wire is connected to the red LED. Pressing down on the button presses the lever down, which sets off the heating element. The blue wire powers the circuit board, since it's linked to the 120V tray.

The heating element contains three "spikes," which help get power to store electricity and get power to heat up. Pressing down on the lever presses down on the spikes. This additionally sets off the red LED, which enables the rice to cook.

The yellow LED, which allows the rice to stay warm, is automatically turned on when the device is plugged in. Pressing the button switches the focus to the red LED, or cooking the rice.