TIMS showed Smoke Internal at car 1543 Staff(AMK) checked and confirmed no signs of smoke or fire oninterior of train. Train was escorted to terminal station. TIMS showed Smoke Internal at car 1543 Staff(AMK) checked an ~~~~~ TIMS showed Smoke Internal at car 1543 Staff(AMK) checked and confirmed no signs of smoke or fire on interior of train. Train was escorted to terminal station. CE: 1543 smoke internal alarm reset n no abnormality found  Found FC-720, 731, function check no signs of water ingress for PM. Replaced. Smoke detector. And function tested ok. Done by: Sateesh and Alauddin. 04/02/2024. Notif: 2568009