Train encountered power fault at car 1551 while arriving station. Reset at KRJ- ok. ~~~~~ 1551 encountered PF(3X) arriving station. Reset at KRJ- ok.  1551 FC 108/821/820/140 (L2 failure)/150/827. ER D/L. OPS 20 raised to follow-up.  Au TK 44433 FYI : Refer to M/O 11144345 Train encountered power fault at 2551.     #2551 Fault code 108/140/820/821. Conduct propulsion static test ok. LB2 operation ok. Check CCD fuse, INV1,INV2,BCH,BRC, Charging resistor ok. Check L1,L2,K coil ok.L1,L2,K contact found bad condition-replace contacts. L2 found wire not fully in, re-insert wire. Swap relay unit 2551/1551. Conduct proplusion static test ok. Limited movement powering ok. Done by Zulq/Asruddin. 44427 To follow up rectify.  1551 replaced VVVF Inverter Assembly(Relay unit). Checked/found no power fault indication lit up. Limited movement - OK.  Alan/Lee PT 44433