DT check found 3657 #2 and 1658 #2 cooli ~~~~~ DT check found 3657 #2 and 1658 #2 cooli     #1658-A/C 2-1 Coolant pressure fault,LP=20,HP=80. Checked v/v core,shut off v/v,couplings and CCU for leaks,no leaks observed.Checked AHU couplings piping and cooling fins for leaks,no leaks observed.Top up freon to LP=40 & HP=120. Monitored cut in/out ok.For further monitoring. #3657-a/c 2-1 having coolant fault,LP=0 & HP=0.Further found CCU minor leaks from accumulator pipe joint. Notification : 2226943 raise to RSW for #3657-a/c 2 CCU c/o. Done by Sanip/Fadzzal/Koh. 07/12/20