TC reported TIMS air-con fault at Rear M1 car. Unable to reset. Staff(KRJ) checked and confirmed tha t Rear M1 car, set #1 air-con fault with maintanence tag. TCreported TIMS air-con fault at Rear M1 car. Unable to reset  ~~~~~ TC reported TIMS air-con fault at Rear M Not: 2449507 raise to CSC (1621 CCU 2 c/o)