CE reported 3524 A/con very warm.temp at ~~~~~ CE reported 3524 A/con very warm.temp at     #3524 A/C 1-2 & 2-1 found with low freon. Top up 4kg on LP side and HP side ok.Function test both a/c with cooling and able to cut in/out-ok. Done by Deeshan/Fahmi/Haiqal/Kamal. 21/05/20