Cab air-con blowing warm air. ~~~~~ #3669 Check and found cab a/c low freon. No freon leak detected (LP=20, HP=180). Top up freon to 60 on LP and 240 on HP. Monitor for 1 hr, a/c blowing cool air. To be further monitor further (Temp. at 22.5degC). Done by Sanip/Deeshan/Faddzal. 03/6/21.