TC reported APS fault at front DT car. Fault cleared after TC aux on. TC reported APS fault at frontDT car. Fault cleared after TC aux on. ~~~~~ TC reported APS fault at front DT car. F     Check and found #3673 saloon a/c panel ACPCB1 was isolated but no tag.Normalise back ACPCB1 observed A/C 1 CCU motor intermittent stop and cause APS fault.Further check found A/C 1-2 CCU motor shorted to ground.Isolated U/V/W a/c 1-2 and tag on saloon a/c panel. Not: 2431210 raise to RSW follow up CCU motor c/o. Checked by Sanip/Koh/Rizman. 30/10/22