| 摘要 |
PURPOSE: An informing method of a washing time for a washing tub is provided to always maintain the clean state of the washing tub by washing the washing tub at optimum periods. CONSTITUTION: After finishing washing processes, a control unit compares an actual washed frequency with a predetermined frequency. A washing machine is finished when the predetermined washing frequency is over the actual washed frequency. Otherwise, an informing buzzer such as a buzzer or a light emitting element is operated. A washing process of a washing tub is decided and displayed on a display unit. The entire process is finished when a user do not want the washing process. Otherwise, the washing process of the washing tub is performed. In finishing the washing process of the washing tub, the washed frequency is reset. Thereby, the waste of water and a detergent is minimized and the washing water is always maintained cleanly. |
