TIMS showed car 1541 set #2 air-con inverter failure. Staff(WDL) checked and confirmed car 2541 set #1 air-con faulty. Reset - ok. Car was warm. ~~~~~ 1541 TIMS showed A/C 2 inverter failure. Staff(WDL) confirmed 2541 A/C 1 faulty. Reset - ok. Car was warm.  1541 A/c 2 checked on TIMS & found fault only occurred once & self cleared. Coolant pressure checked - OK. All A/c relays checked - OK. Saloon temp. = 24*C. #2541 A/c 1 found coolant pressure low. Charged up freon to LP = 40 psi, HP = 125 psi. A/c cut-in/out operation check - OK.  Anand/Kiran/Eden 44597