Burner Malfunctions: Uneven or nonexistent flames commonly reveal clogged burner ports; frequent cleansing is important for ideal goal. How to repair this problem: When the valve is ready to “off” or “examination,” convert the valve by hand to make sure that it details to “open up.” Then, re-check your oven. https://socialbuzzfeed.com/story4208501/not-known-details-about-gas-oven-maintenance