Train encountered power fault at Front M1 car while departing station. Reset at BDL1 - ok.Fault re curred upon departing BDL1, BSH1 & AMK1. Unable to reset.T C confirmed train performance was normal. ~~~~~ Train encountered power fault at Front M     Check FC-141 Proplusion K1 failure,further check K1 contact tip    condition NG.Replace K1 (600amp) ok.Check INV1 & 2,Bch,CCD fuse/shoe ok.Pre-charging resistor ok.Conducted limited movement and powering check ok. #1618-K1:- Old s/n: 1038714*3.1/15 New s/n: 1020363*12.1/07 Not: 2472849 raise. Done by Sanip/Koh. 23/03/23