Train encountered power fault at front M1 car 1569 while arriving station. Reset at BGS - ok. Fault recurred departing BGS. Reset atCTH - ok. Train performanc e - ok Train encountered power fault at front M1 car 1569 wh ~~~~~ 1569 encountered power fault arriving station. Reset at BGS - ok. Fault recurred departing BGS. Reset at CTH - ok. Fault recurred departing CTH. Reset at RFP to no avail. TC feedback slow pick up when departed COM WB. SC to UPD x3.  1569 Inverter 1 & T/M 2 (U,V,W shorted to ground.) 1569 FC 156/821/820/136 registered. Checked charging resitor - OK. Checked inverter 1 (U/V/W)Shorted to ground) Checked inverter 2-OK. Checked T/M & found T/M 2 (U/V/W)shorted to ground. Insulation test fail. Raised notif.to RSW for T/M 2 change out.(notif.2524443) Isolated PRCB & TAGGED. Sarma/Anan/Kamarul/Alan 45186