Cab air-con was blowing warm air. Unableto reset. ~~~~~ CHECKED #3552 CAB AC CCU NO SIGN LEAK/ICING.OBSERVED LP VALVE CORE SIGN OF SLOW SEEPAGE.RETIGHTEN VALUE CORE CHECKED OK.NO LEAK OBSERVED.RECHARGE FREON TO REQUIRE LP/HP VALUE.MONITOR FOR HALF HOUR PRESSURE STABLE.CHECKED CAB DI USER TEMP 10.1*C.MONITOR CAB AC OPERATION CUT IN/OUT OK.LEONG/AZHAR 04.10.2022