A/CON HIGH PRESSURE ABNORMAL tification Revert back to UPD and Close. me:Redzwan Sukis te of Occurrence:21.01.24 st Service Date:NA U / Equipment / Location:2529 / A/CON 2-1 uipment Serial No. (if any) :NA scription of fault / cause:High Pressure at high side 210psi aftercharge out freon asurements (if any):NA quired Rectification:C/Out AHU ~~~~~ ADDL: snaprep : 2529 saloon warm. snaprep : 2529 saloon warm. CE: 2529 ac1-2, 2-1 coolant pressure fault unresettable. temp 28.5*C.  2529 A/C 1-2 FC 519 (AC1 HLPS2 operation). Check freon pressure LP/HP: 20/90 psi. Purged and vacuum, able to hold at -30psi. Charged freon to LP/HP : 40/110 psi. No freon leak. AC able to cut in/out. Monitored for 1hr, no abnormalities found, saloon was cooling. Raised Ops20 to check for evap leak. #2529 A/C 2-1 FC 618 (AC2 HLPS1 Operation). Check freon pressure LP/HP : 100/300 psi. Purged and vacuum, able to hold at -30psi. Charged 7kg freon to LP/HP : 40/210 psi. No freon leak, AC comp and fan function - ok. Suspect evap choked based on HP high. Raised notif (2563416) to replace AHU. Tagged #2529 A/C 2.  Daniel/Redzwan 45313