1556 BCU com fault. To rectify. ~~~~~ 1556 BCU com fault. To rectify.     Check the above mention FC:301 & 307.Replaced BCU and WDC setting done.Limited movement done several times ok. BCU-New s/n: 2007262   Old s/n: 2007258 Done by Saini/Koh/Asruddin. 10/01/21