TIMS showed Smoke Internal at car 1555.Staff(BSH) checked and confirmed no signs of smoke / fire / burning smell on exterior or interior of train. Train was es corted to terminal station. ~~~~~ 1555 TIMS showed Smoke Internal. Staff(BSH) confirmed no signs of smoke/fire/burning smell on exterior or interior of train. Train was escorted to terminal station. CE: 1555 having smoke internal pre-alarm fault. Further check found no abnormality n reset fault cleared.  1555 FC 720(smoke internal), FC 735(fire & smoke detector lost power) triggered on 20/06/23, 14/06/23, 11/06/23, 10/06/23. Opr 20 raised to C/O FCP due to no spare. Au TK 45099