TC reported train no display is incorrect. ERS-13 ~~~~~ TC reported train no display is incorrec     #3507 Show fault code 750,Train no indicator com. fault.Readjust the TNI connector pin.Clean pin and reconnect and function check.Manual set to 307,NTI display 307.Put to auto-Tims show train no-000.Checked TNI display show 000. Done by Zulqarnain. 08/06/20