The oven should inform you the user, usually with a light on the control panel when it has reached the set temperature. It may take a while for the oven to cool. Fans are popular due to their versatility. They provide uniform heat distribution, faster cooking times, and other benefits. https://ovens-and-hobs06980.blogunok.com/31257975/can-a-built-in-single-gas-oven-and-grill-be-installed-in-your-kitchen