Interior refrigerator lights (2 bulbs at top of...

Question

the 'fridge was delivered and set up less than an hour ago. The delivery men set up the temperatures for both the refirgerator and the freezer cabinet (digital display). We were loading food into the refrigerator cabinet for about 15 minutes (door open alarm merrily chiming away) when the lights inside the interior of the refrigerator cabinet went out. We cannot seem to get them to come back on, despite looking through the operating manual for things that we might attempt that would make them re-light