| CPC A47L 15/4206 (2013.01) [A47L 15/0023 (2013.01); A47L 15/421 (2013.01); A47L 15/4223 (2013.01)] | 12 Claims |
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1. A method of controlling a dish washer, the dish washer including a filter device to selectively filter or unfilter water, a case brake through which the filtered water or unfiltered water pass, a sump to which the water passed through the case brake is supplied, the method comprising:
detecting an operation of filtering water received from a water supply source through a filter included in the filter device from among operations of the dish washer;
in response to the detecting of an operation of filtering:
opening a filtering flow path formed in the filter device so that the received water is filtered by the filter;
supplying the filtered water to the case brake which is located higher than the filter device; and
supplying the water passed through the case brake to the sump, the case brake located higher than the sump to prevent a backflow of the water collected in the sump to the case brake; and
in response to not detecting of an operation of filtering:
opening a bypass flow path formed in the filter device so that the received water bypasses the filter;
supplying the unfiltered water to the case brake; and
supplying the water passed through the case brake to the sump.
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