DT checked reported ~~~~~ #3563 a/c 1-2 FC-515 a/c 1 CMOCR2 operation. Further check found a/c compressor no compression.measured found 2 phase OL.Notification raise to RSW follow up CCU c/o.A/C 2-1 found short cycling and freon low,top up freon and monitor HP/LP steady,CCU no sign of leakage.#3564 a/c 1-1 found CCU Lp coupling freon leaking badly.Replace copper ring and tightened ok,no freon leakage. Not: 2260162 raise to RSW Done by Sanip/Faddzal/Deeshan. 25/3/21