What should be done if an elevator overspeed condition is detected?

When an elevator overspeed condition is detected, engaging safety mechanisms immediately is critical. This is because overspeed can indicate that the elevator is descending or ascending at an unsafe speed, which poses a significant risk to passenger safety. The safety mechanisms are designed to intervene in such situations to prevent accidents, potentially by activating brakes or other devices that halt the elevator's movement safely and effectively.

The importance of activating safety mechanisms cannot be overstated; they serve as the first line of defense in ensuring the elevator's safe operation when abnormalities occur. Immediate intervention helps to reduce the risk of injury or damage to the elevator system itself.

In contrast, increasing the weight in the elevator, reducing the number of stops, or conducting a complete system diagnostic do not address the immediate danger posed by overspeed conditions. These actions could either complicate the issue or prolong the state of risk without providing the necessary instant response required to manage the hazard effectively.