TC reported air-con fault at Rear M2 car. Unable to reset. Staff(NOV) checked and confirmed that Rear M2 car set #02 air-con faulty. Unable to reset. Car was co oling. ~~~~~ 2644 TC reported air-con fault Unable to reset. Staff(NOV) confirmed 2644 A/C 2 faulty. Unable to reset. Car was cooling. CE : 2644 check n found A/C #2 having APS fault intermittently. Unit isolated. Saloon temp 24.6c. Depot to check and isolate A/C #2-1/2-2 Compressor which may be shorted or overcurrent causing APS fault.  2644 A/c 2-2 found motor shorted to GND. Isolated wires U/V/W. Notif 2514524 raised to RSW.  Suhairi/Syukur/Syairazi/Fandi/Ahmad 45150 Notif 2514524 Nameßßßßßßßßßßßßßßßßßßßßßßßßß : Team V Date of Occurrenceßßßßßßßßßßß : 11/08/2023 Last Service Dateßßßßßßßßßßßß :   EMU / Equipment / Locationßßß : 643/644 / CCU / Aircon 2-2 Equipment Serial No. (if any) :   Description of fault / causeß : APS Fault / Aircon 2-2 Motor                                     shorted to ground Measurements (if any)ßßßßßßßß :   Required Rectificationßßßßßßß : Required A/C 2 CCU C/O Note                          : Wire U/V/W isolated.