TC reported air-con fault. Unable to reset. Staff (YIS) checked and confirmed that Rear M1 car #1 se t air-con faulty. Unable to reset. Car is cooling. ~~~~~ 1684 TC reported air-con fault Unable to reset. Staff (YIS) checked and confirmed A/C 1 faulty Unable to reset. Car is cooling.  1684 A/c 1-2 motor found shorted to GND. Isolated/tagged. Notif 2189724 raised to RSW - Done. Name                          : SARMA. Date of Occurrence            : 16/08/2020. EMU / Equipment / Location    : 1684 / A/C / 1-2. Description of fault / cause  : A/C 1-2 MOTOR SHORTED TO GROUND.  Sarma/Anand 44059