TC reported air-con fault. Unable to reset. Staff(KTB) checked and confirmed that car 3652 set #2 ai r-con faulty. Reset-ok. Car was cooling. ~~~~~ TC reported air-con fault. Unable to res     Check Tims observed FC-408/414,Further check found AC 2-1 CCU motor shorted to ground.U,V,W was isolated and Tag. Notification to RSW follow up CCU motor change out.After isolated A/C 2-1 CCU motor function test no APS recure. 33652 AC 2-1 CCU motor c/o- Not: 2341700 raise to RSW.    Done by Sanip/Koh/Faddzal. 19/12/21