TC reported APS fault indicator intermittently lighted up. TIMS showed line voltage lighted up rando mly for all 6 cars. Train performance - ok. ~~~~~ CE confirmed 1525 APS fault.  1525 found A/c 1-2 compressor motor shorted. Isolated #1525 A/c 1-2 & removed/taped wires U305/V305/W305 from CMOCR-2. Notif 2242054 raised to RSW for #1525 U/F condenser unit C/o. Name:Chan(Team 2/RSD/UPD) Date of Occurrence:25/01/2021 EMU / Equipment / Location:525/526 / CCU / #1525 A/C 1 Description of fault / cause:A/C 1-2 Compressor Motor Shorted Required Rectification: Require A/C 1 CCU Change Out  Chan SW/Hanafi. 25/01/2021.