EMU 521/522 During DT found #2522 A/C 2- ~~~~~ EMU 521/522 During DT found #2522 A/C 2-     A/C coolant pressure fault on cars: #2522 a/c 1-2 LP=10,HP=40--Retop freon to LP=40,HP=110 #2522 a/c 1   LP=20,HP=40--Retop freon to LP=40,HP=120 #2521 A/C 2-1 LP=20,HP=40--Retop freon to LP=40,HP=120 After topping check no leakage and run a/c for 2 hour, A/C able to cut in/out-ok. Done by Saini/Arsuddin/Haslan. 22/09/20