543/544 # 2543 A/C 2-1 compressor an ~~~~~ 543/544-#2543 A/C 2-1 compressor and coolant pressure fault.  2543 A/c 2-1 found no A/c compressor fault but freon pressure was slightly lower than criteria. Vacuum & charged freon to 6.5kg. LP=35psi, HP=110psi. Monitor for 2 hrs & pressure was stable. A/c cut in/out operation & temp. able to achieve 23'C to 24'C.  Farid/Salleh/Koon PL 44203