Control Method of Washing Machine

摘要

Disclosed is a control method of a washing machine comprising the steps of (a) setting a washing pattern in the present operation of the washing machine in consideration of hardness of the water calculated in the previous operation of the washing machine, (b) operating the washing machine based on the set washing pattern, and (c) calculating and storing hardness of the water in the present operation of the washing machine to set a next washing pattern in the next operation of the washing machine, thereby having the optimum washing or rinsing capacity of the washing machine in consideration of different characteristics of water by regional groups.