TC reported after changing end that car1540 set #2 air-con was faulty. Reset - ok. Car was cooling. ~~~~~ 1540 TC reported A/C 2 faulty. Reset - ok. Car was cooling. CE : 1540 ac 1-1 compressor fault unresettable, temp 27.6.  1540 A/c 1-1 found compressor motor coil resistance unbalanced. When cut-in. tripped both A/c units. Thus saloon temperature rise. Isolated A/c 1-1 motor. Function test & saloon temperature check - OK. Notif 2586996 raised to c/o motor.  Wong/Akira 45387 Notif 2586996 Name                              : Wong W K / Akira Date    Of    Occurrence          : 05/04/24 EMU/Equipment/Location            : 539/540 AC comp motor 1540                                       AC 1-1 Description Of Fault/Cause        : 1540 CMOCR 1 starting                                            current 86.5 Amp ( wire U,                                       V, W removed & insulated )