Field-IQ diagnostics 19 Diagnostics
If PWM, check upper PWM limit under advanced parameters. May need to be set to 100%.
Rate fluctuates around target.
1. Check that a drive calibration has been performed.
2. Check that tips/orifices are sized appropriately for the system.
For PWM / Servo systems:
1. You may need to manually tune the valve.
2. Set valve to manual rate. With the rate in manual the valve should be "locked". If the rate still
fluctuates check the pump and the flowmeter.
For Rawson:
1. Check that the drive is running above 100 RPM.
2. Isolate the drive from the pump. Make sure the drive operates properly with no load.
Spreader Rate Control troubleshooting
Unable to turn motor.
1. Check valve type in Rate control set up.
2. Check that hydraulic motor is receiving flow.
3. Check that motor will pass a drive calibration (PWM) only.
4. Perform a hydraulics test (Rawson).
If the motor will run in the calibration screen, check the operation of the system in the Field-IQ
diagnostics screen.
1. Enter a manual speed and turn all sections on.
2. Arm all sections at the bottom of the screen.
3. If equipped with an implement switch make sure it is calibrated and shows the implement in
the running position.
If motor ran in diagnostics screen:
1. Check color of sections in the run screen. If sections are red there is an issue.
a. Check that system is not outside a boundary (open a new field to test)
b. Check that system is not over a previously applied area.
c. Check that system has a "fixed" GPS position
2. Check that the material has not been disabled in the material detail screen.
502 FM-1000 Integrated Display User Guide Version 9.25, Revision B
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