TC reported APS fault at car 1507. Unable to reset. ~~~~~ TC reported APS fault at car 1507. Unabl     During depot shunting to maintance pit no observed and APS fault.Check Tim FC-430 happen 2 times.During 750vdc cut off,observed.APS line voltage remain 402v,never cut off.Further check found ACFC oil leaking.Replace ACFC ok.Function test ok.Confirm during 750v cut off and line voltage able to cut off. Done by Jack/Koh/Faddzal. 01/09/21