2683 A/c 1-1 & 1684 A/c 1-2  coolant pre ~~~~~ 2683 A/c 1-1 & 1684 A/c 1-2  coolant pressure fault.  2683 A/c 1-1 discharged & vaccuum. Charged in 7 kg of freon LP = 30 psi HP = 110 psi. A/c cut in/out operation check - OK. Temp. able to achieve 24'C & monitor for 2 hrs, no freon leak found - OK. OPS 20 raised to follow-up on 1684 A/c 1-2 due to time constraint.  Sarma/Anand 44096 #1684 A/c 1-2  coolant pressure fault.  1684 A/c 1-2 reclaimed, vaccuum & charged in 6.8 kg of 407C freon. HP = 110 psi LP = 40 psi. No leak detected during vaccuum. System responding to cooling demand & saloon temp. 24'C.  Chan SW/Hanafi 44097