1649 A/C 1 Inverter Failure. To check an ~~~~~ 1649 A/C 1 Inverter Failure. To check an     #1649 A/C1 AHU motor faulty.Replaced and top up freon LP=35 ,HP=120psi.Monitored cut in/out ok.No further a/c inverter fault observe #1649-a/c 1. AHU-Old s/n: 535110  New s/n: 032207 Not: 2189467 Done by Din/Haslan/Koh. 14/08/20