Train encountered power fault at FM1 while arriving station. Reset at CTH - ok. ~~~~~ 1654 encountered PF 2X arriving station. Reset at CTH - ok.  1654 FC shows K1 failure. Replaced Propulsion Relay PCB(OPCB: RY-21) Tested operation - OK. Fault indication cleared. OPCB: Old: 502RB000-1H New: KL5282RF-02H Sugu/Anand/Lee PT/Kamar 45110