Granz microwave oven reset button is in the left bottom right corner. The granz microwave oven switch is in the lower right corner of the granz microwave oven, and there are also granz microwave ovens that do not have a power master switch. Not with the time to unplug or install the plug, general microwave oven in the door frame is installed with 2 - 3 door control switch, when the door is opened the switch is disconnected, the door is closed after the switch is closed. Its role is to prevent the door in the case of not closed tightly, the microwave tube work and produce microwave leakage, which is a security circuit for personal safety.