O le VFD6900C high-performance ship vector frequency converter o se fa'aliliuga masani o le vector current high-performance. Fa'atasi ai ma le malosi amata malosi, le malosi o le so'ona gafatia, ma le togafitiga sili atu ona fa'aleleia atili o le tafe ma le voltage, e iai ana galuega puipuiga atoatoa e pei o le overcurrent, overvoltage, undervoltage, fa'aletonu o poloka, masini eletise fa'avevela, overheating, short circuit, input and output phase loss, le fa'atulagaina le le masani o le motor parameter, ma fa'aletonu o le teuina o le malosi i totonu.