TC reported TIMS indicated Front M1 A2/A3 doors "obstacle detected" when opened, but indication clea red when train doors closed. No other abnormalities. ~~~~~ TC reported TIMS indicated Front M1 A2/A     #1644 no fault code recorded in Tims. #1644-A2 & A3 door check guide rail & J-rail no foreign object. Clean the door guide & J-rail.Check door locking s/w,door locking device function check ok.No abnormalties DLS & DLD.Door cyclic test ok.Door resistance test ok.Door timing static test 3.2 sec. open/closed. Done by Haslan/Saini/Joshua. 24/08/20