Patent ID: 8242413

Claim:
A method for controlling preheating of an oven, the oven including a broil heater heating food to be cooked in a cavity, a bake heater, a plurality of convection heaters, and a plurality of fans blowing heat of each of the convection heaters into the cavity, the method comprising: operating the broil heater, a first convection heater, and a first fan during a first reference time and then stopping them when the first reference time elapses; and operating the bake heater, a second convection heater, and a second fan during a second reference time, wherein operating and stopping of the broil heater is dependent on operating and stopping of the first convection heater and the first fan, wherein operating of the bake heater is dependent on operating of the second convection heater and the second fan, and wherein stopping of the bake heater is not dependent on stopping the second convection heater and the second fan.