During depot shunting found 2645 propuls ~~~~~ During depot shunting found 2645 propuls     Check time observed FC-121/108 Propulsion watch dog timer    failure.Further check INV1 & 2/BCH/CCD fuse & shoe ok. Line breaker check ok.Replaced Vvvf propulsion controller unit and conduct propulsion no power test ok.Limited movement powering ok.Nom fault recure. #2645-Vvvf PROPULSION CONTROLLER UNIT- Old: 101RBO-2H New: 605RBO-2H Done by Faddzal. 07/01/22