TIMS showed Smoke Internal at car 2528.Staff(AMK) checked and confirmed no signs of smoke / fire / burning smell on exterior or interior of train. Train was es corted to terminal station. TIMS showed Smoke Internal at ca ~~~~~ TIMS showed Smoke Internal at car 2528.   Checked and found smoke internal detector unit sensor to be dusty, cleaned with compressed air and function test ok. Done by: Sanip (3/3/24)