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公开(公告)号:US20230089461A1
公开(公告)日:2023-03-23
申请号:US17909258
申请日:2021-02-25
Applicant: LG Electronics Inc.
Inventor: Youngmin BYOUN , Daehyun KIM
Abstract: The present disclosure relates to a method for controlling a laundry dryer, the method comprising: a steam supplying step for supplying steam to a heat exchange unit; a cleaning step for controlling a cleaning unit after the steam supplying step, and thereby spraying cleaning water to the heat exchange unit according to preset spraying criteria; and a drying step for drying the heat exchange unit after the cleaning step. The present invention has the effect of eliminating and sterilizing foreign substances, microorganisms, and the like present in the heat exchange unit.