| Color Code | Condition |
| Green | Production is normal |
| Yellow | Production is about to stop |
| Red | Production stopped / Line Down |
| Flashing Red | Operator requests help |
| White | Process complete |
Stack Light Functional Color
| Color Code | Condition |
| Green | Production is normal |
| Yellow | Production is about to stop |
| Red | Production stopped / Line Down |
| Flashing Red | Operator requests help |
| White | Process complete |