TC reported aircon fault at front M1 car. Staff(NOV) checked and confirmed aircon fault at front M1 car #02 set. Reset - ok. Car cooling. ~~~~~ TC reported aircon fault at front M1 car     #1526 A/C 2-2 found coolant fault.Top up freon to LP-30 ,HP-120.No leak detected.A/C functioning ok. Done by Kalees/Zul. 22/01/20