Troubleshooting - New Leader L4000G4 Manual

Troubleshooting

Header
Symptom:
Spinner will not run
Spinner will not shut off
Spinner runs erratic
Spinner speed drops off
when turning around
Not applying correct
rate
No ground speed
Spinner speed does not
hit target
307074-AA-I
Reason:
Defective Spinner Control Valve
No voltage at valve
No hydraulic fl ow
Defective spinner control valve
Control valve is manually
overrode
Defective spinner control valve
Spinner speed sensor harness
failure
Spinner speed sensor not
properly installed
Improper control settings
Incorrect settings
Manual speed is enabled, but
set to 0
AUX broadcast speed is
enabled but radar not installed
Incorrect speed source is
selected
Defective spinner control valve
Pump failure
Spinner speed sensor not
properly installed
Hydraulic fl ow dropping off
Spinner speed sensor harness
failure
Spinner speed sensor failure
Replace spinner control valve cartridge and coil.
Verify spinner switch is on.
Verify spinner enable is checked.
Verify controller has a target spinner RPM entered.
Check WSM 7.5 amp fuse is not blown.
Verify spinner control harness is not damaged.
Verify system was confi gured as Basic independent.
Verify hydraulics are on.
Pressure test pump - replace as needed.
System is going over relief - test & replace as needed.
Replace spinner control valve cartridge.
Loosen jam nut on control valve cartridge and back
set screw out until spinner stops.
Replace spinner control valve cartridge.
Replace sensor harness.
Adjust sensor so that gap between sensor and fi n
mounting bolt is less than 1/8".
Verify PWM control is set properly (HOLD for gear
pumps, CONTROL for variable displacement).
Verify density, swath width, gate opening, encoder
pulses, and CFR number are all adjusted as needed.
Enter correct speed or disable manual speed
Disable broadcast AUX speed.
Select correct speed source.
Replace spinner control valve cartridge.
Flow and pressure test pump.
Adjust sensor so that gap between sensor and fi n
mounting bolt is less than 1/8".
Adjust settings and speed. Pressure test relief
(adjust or replace as needed).
Replace sensor harness.
Replace spinner speed sensor.
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L4000G4
Correction:
www.New-Leader.com
(800) 363-1771