Fan? in 3 year old kitchenaid superba kebc247 became louder than usual over the last few days but still heated and worked fine. then today the noise turned into a very loud whirring vibration after the oven was turned off. We cut the power to the oven at the breaker.

SOURCE: Kitchenaid Superba Gas Range

It appeared to be something to do with the plenum and cleaning - repair man came - cleansed and it was okay. MK

SOURCE: Kitchenaid Superba gas stove. Oven

so you get an error message on the display?

do the burners work?

SOURCE: Microwave Oven Door Spring Replacement

Remove the front panel by removing the screws located on the inside of the door (note hold door inplace, since it is heavy and will fall out after screws removed). Unscrew screws located on bottom of plastic retainer (2 each) Remove tension spring. Note 2 are included right and left. Note color of spring on end, different springs for different door types, stainless, black,beige or white. Replace all in reverse order.

SOURCE: Kitchenaid Superba 27 KEMS376WHO

Go to manualsonline.com. They will ask for make and model of your appliance. Most manuals are free. Give it a try.

SOURCE: Kitchenaid Superba electric convection oven not preheating right

Your temperature sensor is failing. Replace the temp sensor.