Method for operating a laundry washing appliance and laundry washing appliance implementing the same

Abstract

A method () for operating a laundry washing appliance (), such as a washing machine or a combined washer-dryer, having a washing chamber () to wash goods according to a wash program selected by a user including at least a washing cycle. The method includes adding () a detergent to a washing liquor () within the washing chamber () during a washing phase of the washing cycle, the washing phase having a predefined duration; performing () a plurality of measurements of the conductivity of the washing liquor () in order to collect a set of conductivity measurements (C, . . . , C) defining a conductivity curve analyzing the set of conductivity measurements (C, . . . , C) in order to determine () if a condition of substantial invariability of the conductivity measurements (C, . . . , C) is reached and/or detect () if the related conductivity curve shows a peak. The method also includes extending () the predefined duration of the washing phase, if after a first preset time period (T) starting from the beginning of the washing phase, no conductivity increase or peak in the conductivity curve is detected; and/or extending () the predefined duration of the washing phase, if after a second preset time period (T) starting from the beginning of the washing phase, the condition of substantial invariability of the conductivity measurements (C, . . . , C) has not been reached.