TC reported air-con fault. Unable to reset. Staff(BGB) checked and confirmed that front M2 car set # 1 air-con faulty. Reset - ok. Car was cooling. ~~~~~ 2680 TC reported air-con fault Unable to reset. Staff (MSL) confirmed 2680 A/C 1 faulty. Reset - ok. Car was cooling. CE: 2680 Found A/C 1 short cycling Suspect freon low  2680 AC1-1 and AC1-2 unable to cut in due to freon low. Top up freon and function tested ok, able to cut in and out. Done by: Kamal/Yusof 06.07.24