Controlling method of dishwasher
A method for controlling a dishwasher includes sequentially performing a first main washing step, a second main washing step, and a third main washing step. The first main washing step includes supplying washing water, which is heated by a sump heater, to a washing chamber. The second main washing step includes selectively performing a steam spraying action for supplying steam to the washing chamber, and performing a water supplying action for supplying washing water to the washing chamber. The third main washing step includes supplying washing water, heated by the sump heater, to the washing chamber.