Washing machine and controlling method of washing machine

Abstract

A washing machine includes: a housing; a tub inside the housing; a case connected with the tub; a filter attachable to or detachable from the case; a filtering flow path formed to pass through a portion of the filter; a bypass flow path formed to bypass the portion of the filter; and at least one sensor configured to obtain information about a state of the filter. The washing machine includes; a flow path switching device configured to guide water entered into the case to the filtering flow path or the bypass flow path; and a controller configured to control the flow path switching device to guide the water based on the obtained information about the state of the filter.

Dependencies are inferred from the claim text.