Usually the oven will notify you by lighting up the control panel when it has reached its set temperature. It may take a while to cool down the oven. Fan ovens are a popular choice because of their flexibility. They offer even heat distribution, quicker cooking times and other advantages. https://ovenshobs36510.iyublog.com/30441716/can-a-built-in-single-gas-oven-and-grill-be-installed-in-your-kitchen