TC reported TIMS showed 'Obstacle detected at car 3644 and car 1643' when doors were open. Train doo rs operation were normal. Staff(CTH) checked and confirmed n o abnormalities. ~~~~~ TC reported TIMS showed 'Obstacle detect     #3644,#1643,#3643-Check no door FC check other car no FC.#3643-A2 door check DCS to plate:15mm,DLS red mark not visible adjusted till red mark.DLD rubber cushion ok. Door matting 62.5 push/pull open/closed 6kg.Service J-rail,Guide rail ,check no FOD.Push/pull force 5kg.Door matting adjusted 63.2,Door Timing open/closed ok.Door cyclic few times-ok.No obstacle detected indication during door cyclic. Checked by Zulq. 06/11/21