TC reported Smoke Internal Alarm at Front M1 car. Staff (KAL) checked the train and feedback no sign s of heat nor smoke. Train was escorted to terminal station. ~~~~~ * ,N * From TIMS, FC720 smoke internal triggered once, resettable Checked smoke detector and found no water ingress Blow clean smoke detector and no fault occurrence during monitoring. DONE BY: LAI MK/MUTALIB 29.06.2023  FC 720 1602 FAULT U BLE TO DUPLICATE.AS PER CE PICTURE BEFORE RESET SDC-2 RELAY ACTIVATED.CLEAN SMOKE SENOR INT L NO 2 AND FUNCTION TEST OK.PREVENTIVE MEASURE SWAP FIRE CONTROL PANEL FROM 1602 (225) TO 3602 (222) TO BE MONITOR.GANESAN /RAGHU 02.07.2023