Hi there,
Yes, this cooktop has a fan and makes a noise when cooking, which is normal during cooking operations.
For reference, please see "Hissing, Buzzing" in "Operating noises" section, page 25 of the user's manual.
Manual
https://downloadcenter.samsung.com/content/UM/202310/20231019163153587/O_NZ30A3060UK_DG68-01384A_EN.pdf
Have a great day.
^Aloe