TC feedback after changing end that front m2 carset #1 air-con faulty. Unable to reset. Car wasw arm. TC feedback after changing end that front M2 carset # 1 air-con faulty. Unable to reset. Car waswarm. ~~~~~ 2655 TC feedback A/C 1 faulty Unable to reset. Car was  warm. CE: 2655- power/vent and  fault lit unable to reset. Isolated A/C #1 ACPCB breaker tripped. unable to Normal. 2655 ACB1 isolated.  2655 A/c 1-2 No FC. Check and found #2655 AC 1-2 CCU compressor motor shorted to ground. Remove wire U,V,W, tagged and insulated. Notif 2587399 raised for CCU c/o.  Alan/Anand 45397 Notif 2589396 Name                         : Sugumaran Samy Date of Occurrence           : 15/04/2024 EMU/ Equipment / Location    : 2655/ Aircon #1-2 Description of fault / cause : Aircon unit 2655/1-2 shorted to                                  ground.  Wire removed & insulated                                with HV tape. #2655 further check on Ac1 CCU motor. Checked during 3WCKLY -OK.23/04/24(SPT3-N) Refer mo:11956720(RSW) C/O DONE .