TC reported air-con fault. Unable to reset. Staff(BDL) checked and confirmed that Rear M1 car set #2air-con faulty.Reset - ok. Car was cooling. ~~~~~ 1652 TC reported air-con fault Unable to reset. Staff(BDL) confirmed 1652 A/C 2 faulty. Reset - ok. Car was cooling. CE: 1652 both AC running. Temp 25.5*C. With Coolant Pressure 2 and Comp.unit 2-1 Fault.  1652 A/c 2-1 FC HLPS1 & Coolant Pressure Fault. Checked/found HP = 80psi, LP = 20psi. Vacuum system to remove freon & then charged freon to HP = 115psi, LP = 30psi. Checked A/c cut-in/out operation - OK. Checked for any leakage at condenser unit - OK. Monitor for 1 hour - OK. OPS 20 raised to check evaporator unit for any leakage.  Aqil/Akira/Shamil 45076 1652 To check AC 2-1 evaporator for leak