TC reported air-con fault. Unable to reset. Staff(TNM) checked and confirmed that front M2 car set # 2 air-con faulty. Reset - ok. Car was cooling. ~~~~~ CHECK PHYSICALLY AT TIMS #2642 AC 2 NO FAULT.FURTHER CHECK #2642 AC 2-2 FOUND SYSTEM CHOKE/CONDENSER FAN U,V,W CONTINUITY NOT BALANCE -W-U,W-V-OL.#2642 AC 2-1 CHECK LP/HP FOUND CHOKE AT CCU.ATTEMPT PURGING TO CLEAR CHOKE BUT STILL THE SAME.NOTIFICATION 2386215 RAISE FOR 2642 AC 2 CCU C/O.GOPAL/GANESAN/RAM/SHAHRIE 30.05.2022