Train encountered power fault at Front M1 while arriving station. Reset - ok. ~~~~~ 3606 EB applied when departing in AM and AUTO. Tran unable to move in all modes. TC reset power to no avail. TC reported TIMS showed Propulsion High Speed Breaker Open at Rear M1(1605) car. Train was diverted to BSH NB (Level 3) L3  From ER, 3rd rail gap and faulty K2 contactor were contributory causes for EB to applly due to lack of propulsion. - #1605 replaced new K2 contactor - #1605 replaced new propulsion relay unit card Checked all CCD shoe fuse and height, TM, VVVF Controller, LB/K/L, CHR – satis Performed power satis cx and limited movement by powering train using individual M-cars – satis Depot shunting in RM – satis. #1605 K2 contactor: New S/N: Old S/N: Notification no:2522905 #1605 propulsion relay unit card: New S/N: Old S/N: Notification no: 2522990 Done by Rizman/Koh 45181