Can equipment that is not de-energized during a scheduled shutdown lead to unintentional shutdowns?

When equipment is not de-energized during a scheduled shutdown, it can indeed lead to unintentional shutdowns. This scenario typically occurs because any residual power or energy present in the equipment can result in unforeseen operation or potentially hazardous situations. For example, if control circuits remain energized, unexpected movement or operations may occur, posing risks to personnel and equipment.

Additionally, during a scheduled shutdown, maintenance workers may be repairing or inspecting equipment based on the assumption that it is powered down. However, if any part of the system remains energized, it can activate unexpectedly, leading to unintentional shutdowns or even accidents.

This emphasizes the importance of fully de-energizing equipment during maintenance or shutdown procedures to ensure safety and prevent unintended consequences. Proper lockout/tagout procedures should be followed to ensure that all sources of energy are effectively controlled before anyone interacts with the equipment. Such measures significantly reduce the risk of accidents and ensure a safer working environment.