- An illuminated green light and the message, "Elevators available for occupant evacuation", when the elevators are operating in normal service and the fire alarm system is indicating an alarm in the building.
- An illuminated red light and the message, "Elevators out of service, use exit stairs", when the elevators are in Phase I emergency recall operation in accordance with the requirements in the Elevator Code.
- No illuminated light or message when the elevators are operating in normal service.
After a seismic switch has been triggered, the elevator shall have the ability to operate at a "go slow" speed until the elevator can be inspected. "Go slow" speed is defined as a travel speed of not more than 150 feet per minute (45.72 meters per minute).