TC reported air-con fault. Unable to reset. Staff(CCK) checked and confirmed that car 3717 set #1 ai r-con faulty. Reset - ok. Car was slightly warm. TC reportedair-con fault. Unable to reset. Staff(CCK) checked and conf  ~~~~~ TC reported air-con fault. Unable to reset. Staff(CCK) checked and confirmed that car 3717 set #1 air-con faulty. Reset - ok. Car was slightly warm. CE: T219-3717 Both AC Running but Warm.Temp 27.6*C  Check and found 3717 Aircon 1-1, 1-2 LP:15 HP:60. Charge freon on both unit to LP:20 HP:120 and monitor unit able to cut in/cut out and no freon leak. Car was cooling. Done by Saini/Asruddin 12/02/244