Install fan 483 FN1 M1, test function measure ampere result 5.1 ampere also vibration FS and LS result  around 5.2 from setting maximum 7ampere mm/s to 25 mm/s-noise around 1.3 gE note because vibration high run  with 483 FN1 M2 ( MUHAIMIN & ANDRI & DADANG )