- 64 -
www.NewLeader.com
(800) 363-1771
312521-AA-C
NL4258/4330G4 EDGE
Troubleshooting
Symptom:
Reason:
Correction:
Spinner will not run
Defective Spinner Control Valve
Replace spinner control valve cartridge and coil�
No voltage at valve
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 configured as Basic independent.
No hydraulic flow
Verify hydraulics are on�
Pressure test pump - replace as needed�
System is going over relief - test & replace as needed�
Spinner will not shut off
Defective spinner control valve
Replace spinner control valve cartridge�
Control valve is manually overrode
Loosen jam nut on control valve cartridge and back set
screw out until spinner stops�
Spinner runs erratic
Defective spinner control valve
Replace spinner control valve cartridge�
Spinner speed sensor harness
failure
Replace sensor harness�
Spinner speed sensor not properly
installed
Adjust sensor so that gap between sensor and fin mounting
bolt is less than 1/8”�
Spinner speed drops off
when turning around
Improper control settings
Verify PWM control is set properly (HOLD for gear pumps,
CONTROL for variable displacement)�
Spinner speed does not
hit target
Defective spinner control valve
Replace spinner control valve cartridge�
Pump failure
Flow and pressure test pump�
Spinner speed sensor not properly
installed
Adjust sensor so that gap between sensor and fin mounting
bolt is less than 1/8”�
Hydraulic flow dropping off
Adjust settings and speed� Pressure test relief (adjust or
replace as needed)�
Spinner speed sensor harness
failure
Replace sensor harness�
Spinner speed sensor failure
Replace spinner speed sensor�
Conveyor will not run
Defective conveyor control valve
Replace conveyor valve cartridge�
No voltage at valve
Verify bin switch and master switches on�
Verify in controller that target rate, density, ground speed
and a CFR number are all entered�
Check WSM 7�5 amp fuse is not blown�
Verify conveyor control harness is not damaged�
No hydraulic flow
Verify hydraulics are on�
Pressure test pump - replace as needed�
System is going over relief - test & replace as needed�
Conveyor is going over relief - test & replace as needed�