EMU 525/526 #1526 Power fault. ~~~~~ 1526 Power fault.  1526 found permanent power fault. Charging resistors & fuse checked - OK. Swapped #1526 propulsion controller unit with #2526. Limited movement/depot shunting, no power fault indication found OPS 20 raised to replace propulsion control unit on #2526 as preventive measure.  Lee PT/Shafie 44369 To follow up.  2526 replaced propulsion controller unit. Limited movement/depot shunting, found no fault occured. #2526 Propulsion Controller Unit S/N : OLD : 577R1-1H NEW : 331RBO-2H  Kana/Anand 44369