Pax feedback car 1615 was warm. Staff(KRJ) checked, no air-con fault found. All cars cooling. Pax fe edback car 1615 was warm. Staff(KRJ) checked, no air-con fau lt found. All cars cooling. ~~~~~ 1615 Pax feedback car was warm. Staff(KRJ) checked, no air-con fault found. All cars cooling. CE: 1615 saloon is warm. 1615 aircon 1 coolant pressure fault  1615 TIMS show AC1 FC 518. Checked freon pressure LP/HP: 10/80 psi. Purge and vacuum freon, able to hold -30psi. Charged freon pressure LP/HP: 40/110 psi. Check on CCU no freon leak. Monitored AC able to cut in. Saloon temp at 25deg. Aliff/Redzwan/Chan SW 45344