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Dishwasher and controlling method thereof

US-7857908-B2

Abstract

A dishwasher is provided. The dishwasher has a wash motor for pumping wash liquid, upper and lower spray arm for spraying the wash liquid pumped by the wash motor, and a control unit. The control unit operates the wash motor to perform a lower wash cycle by the lower spray arm and an upper wash cycle by the upper spray arm. The control unit operates the wash motor at a preset first rpm and operates the wash motor at a second rpm for a predetermined duration during the upper wash cycle.

Patent figures（8）

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Source status & events

No source-status events are recorded.

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