The dilutor valve can get stuck due to over-tightening or using incompatible solutions (such as Acetonitrile). The instrument interface displays, Error actuating the dilutor valve.

Contact the Thermo Fisher Scientific field service engineer to repair the dilutor valve.

If the dilutor syringe is not installed or configured properly, or is defective, it cannot draw the required volume of fluid. The instrument interface displays, Cannot aspirate requested volume.

Contact the Thermo Fisher Scientific customer support to replace the dilutor syringe.