Stack lights are generally columnar structures in a variety of shapes, placing colour-coded indicator segments on top of one another in a "stacked" orientation. A stack light will typically have up to 5 differently coloured segments to indicate various conditions on the machine or process.
What does green light off on your andon light indicate?
Below you will find the typical meanings for each of the five colors. ... Green Status Light - Everything is running well. The machine or process is under control and no action is necessary.Aug 6, 2018