The spread rate cannot be achieved despite the specified fan speed.

The conveyor tubes, hoses or the fan rotor of the implement are soiled.

  1. If the conveyor tubes and hoses are soiled,

    clean the conveyor tubes and hoses.
  2. If the fan rotor is soiled,

    see Section Cleaning the fan rotor.
  3. If the spread rate cannot be reached after cleaning,

    gradually increase the fan speed

or

drive slower.