TC reported air-con fault. Unable to reset. Staff(CCK) checked and confirmed that car 3680 set #2 ai r-con faulty. Reset - ok. Car was cooling. TC reported air-c on fault. Unable to reset. Staff(CCK) checked and confirmed ~~~~~ 3680 TC reported air-con fault Unable to reset.    Staff(CCK) confirmed 3680 A/C 2 faulty. Reset - ok. Car was cooling. CE checked : 3680 ac 2 cooling unable to cut in, temp 26.2.  3680 A/c 2 founc FC 608 (Inverter Failure). Swapped #3680 APS relay to #3679. Swapped #3680 LVD 3 & 4  to #1680. Swapped MCU but still unable to clear fault. Swapped back MCU to original location. Checked U/V/W wires & no abnormalities found. OPS 20 raised to follow-up.  Huzzaidi/Abdillah/Hairi/Haziq 45278 To follow up rectify.  3680 A/c 2 found FC 628 (PR Failure), FC 608 (A/c 2 inverter Failure). Swapped LVD 1 & 3 from #3680 to #2680 & fault remains. OPS 30 raised to to replace A/c Inverter 2.  Sarma/Alan/Anand/Shafie 45278 To BSD/TWD for replace ac 2 inverter unit