If a server's internal temperature is rising despite operational fans, what should be checked next?

The most logical step to take if a server’s internal temperature is rising despite operational fans is to check for a blockage of the cooling system. Proper airflow is crucial for maintaining an optimal operating temperature within the server. Dust buildup, obstructed vents, or failure of other components in the cooling system can significantly reduce airflow, leading to overheating even when fans are functioning. Ensuring that the cooling pathways are clear and unobstructed is essential for effective heat dissipation.

While other options address relevant aspects of a server environment, they do not directly solve the immediate problem of overheating. For instance, checking the fire suppression system may be necessary in case of an emergency, but it does not address the root cause of the temperature rise. The uninterruptible power supply (UPS) load is important for overall power management, but it is not typically related to temperature management. Similarly, while the physical location of the server can impact cooling—such as being in a poorly ventilated area—it makes sense to first check for immediate obstructions affecting internal airflow before evaluating other environmental factors.