TIMS showed Smoke External Alarm at car2570. Staff(YCK) checked and confirmed no signs of smoke / f ire / burning smell on exterior or interior of train. Rear T 205 line clear and confirmed no abnormalities. TIMS showed S ~~~~~ TIMS showed Smoke External Alarm at car 2570. Staff(YCK) checked and confirmed no signs of smoke / fire / burning smell on exterior or interior of train. Rear T205 line clear and confirmed no abnormalities. CE: T247(3570) FM2 car 2570 check n found car having smoke external pre- alarm fault. SDR11 lits. Reset fault cleared.  #2570 Fire Control Panel change out. And - function tested ok. No fault occured. S/No: Old - 205 New - 125 Notif - Done by: Sateesh and Harith. 14/03/2024.