Cab air-con was blowing warm air. Unableto reset. ~~~~~ 3534 CAB AC BLOW HOT AIR.CHECK AND FOUND VALVE COTR LEAK.RETIGHTEN VALVE CORE TOP UP FREON TO IT CRITERIA.MONITOR CAB AIR CON BLOWING COOL AIR.MEASURE TEMP AT DI USER 12*C.ACHMAD/ZAHIR/FAZLI 17.03.2023