Train encountered power fault at rear M2car 2605 while arriving station. Fault unable to clear at M RB SB, MSP SB and MSP NB. Train performance - ok. ~~~~~ 2605 encountered PF arriving station. Fault unable to clear at MRB SB, MSP SB and MSP NB. Train performance - ok. CE NS Faults Updating feedback: 2605 Power Fault Unresettable.07:43hrs. Propulsion fault. Fault Code 108. Powering Unmatching Fault. Code 827.(SC).  2605 D/L ER. Found charging resistor1 burnt`(OL) - replaced. Brake shoes, K/L1/L2 contacts, TM1 & TM2 meggar, inverter output current checked - OK. Swapped #2605 Inverter 1 to #1605. Swapped #2605 VVVF Gate Controller to #2606. Limited movement/depot shunting - OK, no power fault.  Sarma/Kamarul/Alan/Faiz 44930 Inverter 1 S/N (after swapped) : #2605 : 303RB00-7H #1605 : 303RB0o-3H VVVF Gate Control (ater swapped) : #2605 : 309RB0-3H #2606 : 303RB0-2H