F55005 Spreading disc is not rotating

After starting the spreading disc drive by selecting the and buttons, no speed is measured on the spreading disc.

  1. Check whether the hydraulic hoses are correctly connected to the tractor.
  2. Check whether the hydraulic system on the tractor is switched on.
  3. Check if a defect on the wiring harness is causing a lack of voltage on the hydraulic valve. Replace defective wiring harness.
  4. Check whether the cable connection to the speed sensor is interrupted or damaged. Eliminate any interruptions or damage.
  5. Check if the speed sensor is defective. Replace defective speed sensor.
  6. Increase the flow of the tractor control unit.
  7. Increase tractor engine speed.