TC reported air-con fault. Unable to reset. Staff(WDL) checked and confirmed that car 1507 set #1 ai r-con faulty. Reset - ok. Car was cooling. ~~~~~ 1507 TC reported air-con fault Unable to reset. Staff(WDL) confirmed 1507 A/C 1 faulty. Reset - ok. Car was cooling. CE monitor:1507 #1 AC running but Warm.Temp 26.5*C.Very fast switch to Vent.(10:24hrs).  1507 AC 1 Presuure low. Top up freon. Tighten suction connector. AC 1 Tightened condenser at CN1. Function checked - OK. Saloon Temp.24deg.C. Irwan Masop 44893