What is the function of the fan start and alarm clear switch?

The function of the fan start and alarm clear switch is to energize the cooling fan and clear any alarm that may sound when the fan is not operational. In electrical power production systems, cooling fans are crucial for maintaining optimal operating temperatures in generators and associated equipment. If the cooling fan fails to operate, an alarm is typically triggered to alert operators of the issue, as overheating can lead to equipment damage and performance degradation.

By engaging this switch, the cooling fan is activated, ensuring proper ventilation and temperature regulation. Additionally, the switch clears the alarm associated with the cooling fan's operation, allowing the operator to focus on other critical tasks without the distraction of a persistent alarm. This dual function emphasizes the importance of maintaining equipment safety and operational efficiency in electrical power production systems.