EMU 541/542 #3542 A/C compressor 1-1 and ~~~~~ 3542 A/C 1-1 and 2-1 fault, A/C 1-1 coolant pressure fault.  3542 A/c 1-1 found low freon - charged in freon to LP 40 PSI. Function test A/c cut in/out operation - oK. Monitor for 2 hrs, pressure stable & saloon temp. able to achieve 23'C. Ckecked 3542 A/c 2-1 HP 190 PSI & discharged freon to 120 PSI. Air blow condenser coil & washed condenser filter. Fault still persisted. OPS 20 raised to follow-up.  Sarma/Farid 43968 To follow up on 3542 A/c 2-1.  3542 A/c 2-1 found CMOCR-1 fault registered. Measured compressor motor resistance - OK. Fan motor measure - OK. Function check & found A/c 2-1 de-energised after cut-in for 5 sec. Measure current & found 94.7Amp. Isolated & tagged wires U/V/W - Done. Notif 2161347 raised to RSW.  Au TK 43969 Name                          : Au Tuck Kim Date of Occurrence            : 18/5/2020 EMU / Equipment / Location    : 3542/Aircon Compressor                                              Motor/Unit 2-1 Description of fault / cause  : Aircon 2 CMOCR1 operation. Found                                 A/C 2-1 unit drawing high                                        current of 94.7 AMP. Wire U/V/W                                  removed & tagged.