Liquid Fertilizer Sensor Diagnostics

1. Turn tractor OFF. Turn key to accessory position.

2. Ensure sensor wiring is properly connected.

If only one sensor is used, it MUST be connected to wire labeled LEFT FERT.

3. Ensure correct number of sensors are selected.

Select SETUP >> Planter >> Planter Configuration >> Sensors >> Number of Liquid Fert. Sensors .

4. Ensure sensors are calibrated and zeroed correctly.

Select SETUP >> Planter >> Calibrations >> Liquid Fert. Sensor .

  • Ensure sensor calibration number is 37.5 for each sensor.
  • Release trapped pressure in fertilizer manifold, then press ZERO for each sensor.

5. Ensure voltages are correct.

Select INFO >> Planter >> Diagnostics >> System Voltages >> Liquid Fertilizer Sensors .

  • Wedgebox voltage must be 11 volts or higher.
  • Sensor voltage is approximately 0.5 volts. If voltage is 0, check wiring.

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