TC reported air-con fault. Unable to reset. Staff (CCK) checked and confirmed that rear M2 car #01 s et air-con faulty. Reset - ok. Car still cooling. ~~~~~ 2515 TC reported air-con fault Unable to reset. Staff (CCK) confirmed A/C 1 faulty. Reset - ok. Car still cooling.  2515 A/c 1-2 found condenser fan noisy. Cooling temp. is still acceptable. 2515 A/c 2-1 compreesor motor over-current. Removed CMOCR1 wires U303/V303/W303 - Done. Isolated & tagged the unit. Notif 2121291 raised to follow-up on both faults.  Chan GF/Hanafi 43847