Train encountered power fault at front M1 car while arriving station. Fault was thrice unable to res et. ~~~~~ Train encountered power fault at front M     Check Tims observer FC-108/141/820/821.Propulsion fault K failure.Further check line breaker K/L1/L2 contact tip ok,Wiring check secure.Pre-charging resistor check ok.CCD shoe/fuse ok.INV1 & 2 ,BCH check ok.Conduct no power test ok.Found relay panel TIR having abno sound when shaking the relay.Replace TIR ok.Limited movement powering ok.Depot shunting observed ok.To be further monitored on M/L. Done by Sanip/Deeshan/Faddzal. 24/03/21