2624 #2-1 AC to check for leaks. Replace ~~~~~ 2624 #2-1 AC having 11x reoccurrences of coolant pressure fault (freon leakage) for the past few weeks. Please check for leaks.    Note: Can also get RSW ACON involvement  2614 Checked and found 2624 #2-1 AC having coolant pressure fault. Measured and found LP high. Checked CCU for leaks - ok. Further check found AHU LP coupling leak, proceed to reetighten leaked coupling. Vacuum system and charged freon. Performed function checks - ok, aircon able to cut-in/out within criteria and provide cooling. N.AKenneth/Yishen/Yiheng//28/07/2020