#3539 AC 2-1 Coolant pressure fault ~~~~~ #3539 AC 2-1 Coolant pressure fault     Check and found #3539 a/c 2-1 & #3540 a/c 2-2 was low freon(LP=15psi,HP=54psi)Top up freon and mnitoring pressure steady.A/C cooling ok,cut in/out ok. Done by Sanip/Koh. 11/10/20