The fan needs be cleaned and lubricated. To do this: Turn off stove/oven. Remove fan cover plate. Remove fan. Clean and lubricate the shaft bearings with 3 way oil. Install fan and cover plate.
Hello Corlia;
My name is Peter. I am a retired field service appliance technician in the USA.
I do not know what country you are in, so go into your computer search engine and search, "Smeg Oven Parts SSA91MFP1".
To purchase an entire oven door will be expensive. Just purchase to glass and install it yourself.
