Temperatures reach between 850 to 900° F in order to vaporize food particles and turn them into ash. The self-clean feature generally lasts 3 to 3½ hours depending on the model with an additional 30 minutes of cool down period required.Click to see full answer. Similarly, it is asked, how do I self clean my Viking oven?Apply oven cleaner with a damp sponge. Oven racks and rack supports: Clean with hot, soapy water or Soft Scrub cleanser. Remove before self-cleaning. Oven interior surfaces: Use Easy-Off Fume Free Max Oven Cleaner.Also Know, how do you get baked on grease off of cast iron grates? Wash the Grates Add a squirt or two of grease-cutting dishwashing detergent to a sink filled with clean hot water. Set the grates inside the sink and allow them to soak for up to 15 minutes. Apply a non-abrasive cleaner to a wet nylon scour pad. Simply so, how do you know when your Viking oven is preheated? Look for an indicator light that shuts off when preheating is done or a light that turns on when the oven reaches the right temperature.How do you calibrate a Viking oven?To calibrate, pull the knob off the thermostat, and there should be a small set screw in the middle of the shaft. Turn it clockwise to lower the temperature and counterclockwise to raise the temperature. You may need to use needle nose pliers to hold the shaft in place.