3658 A/C 1-1 DT check found coolant faul ~~~~~ 3658 A/C 1-1 DT check found coolant fault. Please check and rectify.  Checked LP 10 psi & HP 90 psi 3658 AC 1-1 -Vacuum all the refrigerant in the system. Top up freon to LP 40 psi & HP 120 psi. Checked AC Operation-Able to cut-in/out . Checked cooling temp 22 deg.C. 44392 Izzul/Tarmidzi/Hadi/Ridzuwan During 3 weekly check ok. Checked by Yusof 16/07/21