EMU 711/712 2711 A/C 1-1 Compressor & Co ~~~~~ 2711 A/C 1-1 Compressor & Co Coolant pressure fault.  2711 A/c 1-1 charged in freon & function test - OK. Condenser unit freon leak check - OK.    Monitor A/c cut in/out operation - oK.  Chan GF/Alan/Alcus 44086