TC reported smoke internal at Front M1 car. Staff(CTH) checked and confirmed no abnormality at FrontM1 car. ~~~~~ TC reported smoke internal at Front M1 c   Checked TIMS and confirmed fault. Reset Fire panel. Cleaned both #1 and #2 smoke detector with compressed air. Monitored and found no fault occur. N.ALOH.T.S/19.07.21 -----------------------