<p>An air conditioner including a fan motor (2) connected to a commercial power source (1), a motor drive unit (5) inserted between the commercial power source (1) and the fan motor (2) and for supplying power to the fan motor (2) based on an input signal from a central control unit (3), and an open/close detection unit (6) for detecting opening/closing of an air outlet of an air conditioner body. The open/close detection unit (6) interrupts the power supply to the fan motor (2) through the motor drive unit (5) as soon as the opening of the air outlet is detected.</p>
