Verifying that an infusion pump is operating correctly involves monitoring both visual indicators on the digital display screen and listening for active operational cues. A functioning pump will display active infusion parameters such as the correct flow rate, volume infused, and a blinking or moving indicator light showing fluid progression. Furthermore, modern smart pumps feature continuous internal diagnostic sensors that sound distinct auditory alarms and flash visual warning lights immediately if an occlusion, air bubble, or low battery threatens the delivery cycle.