TC reported APS fault at car 3674. TC reset fault to no avail. Train performance normal. TC reportedAPS fault at car 3674. TC reset fault to no avail. Train pe rformance normal. ~~~~~ TC reported APS fault at car 3674. TC re     Check and found #3674 a/c 2-1 CCU motor shorted to ground.Isolated U/V/W and tag as mention in saloon AC panel.Observed no APS fault recure. Notification raise to RSW follow up a/c 2 CCU motor c/o. Not: 2429431 raise to RSW. Check by Sanip/Koh. 23/10/22