Technical cinquecento radiator

[Davemae]

hey folks my Radiator was working last week i havent driven the car i had it started & running the fan turned on after about 10mins about two weeks ago, but i had the car turned on Friday for about 15 mins and it never turned on
the temperature gague in the car never rose a bit not smidgen
iv a 1108cc cinquecento sportng
thanks