Train encounter power fault at car 1674while departing station. Unable to reset. ~~~~~ #1674 fault code 827, 821, 820. Check and found CHRE 3, 4 burnt mark. Replace Pre-charging resistor (CHRE). Check INV1, INV2, BCH, L1, L2, K-ok. Limited movement powering current ok. Conduct propulsion power test-ok (Train line 2-ok). INV1 & 2 output 169A-ok on P1. INV1 & 2 376A ok on P2 & P3. Done by Zulq/Koh/Asruddin. 15/11/20.