| 摘要 |
A method for controlling a filter apparatus (1), the filter apparatus (1), comprising a filter (2) formed by a plurality of filter elements (3), the filter (2) being rotatable around longitudinal axis (X) of the filter (2). The method comprises: providing the filter apparatus (1) with several filter elements (3) comprising an identification unit (5) arranged to store an identification code specific for the filter element (3), reading the identification codes of said several filter elements (3) during rotation of the filter (2), performing said reading at least following a change of at least one of the filter elements (3) in the filter (2), repeating said reading at prescribed time intervals, and showing information based on the readings in a visual form, wherein the information includes symbols corresponding to the operation time of an individual filter element (3). |
