- 65 -
L3030G4 CNH
www.NewLeader.com
(800) 363-1771
307369-AA-G
Header
Symptom:
Reason:
Correction:
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.
Verify conveyor control harness is not damaged.
No hydraulic
fl
ow
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.
Conveyor will not
shut off
Defective conveyor cartridge Replace conveyor control valve cartridge.
Control valve is out of time
Adjust cartridge timing.
Conveyor runs erratic Defective conveyor cartridge Replace conveyor control valve cartridge.
Encoder failure
Replace encoder.
Encoder harness failure
Replace harness.
Rates smooting is disabled
Enable rate smoothing.
Bin will not hit target
rate
Defective conveyor cartridge Replace conveyor control valve cartridge.
Pump failure
Flow and pressure test pump.
Going over relief
Adjust setting and speed. Pressure test relief
(adjust or replace as needed).
Encoder failure
Replace encoder.
Encoder harness failure
Replace harness.
Hydraulics over-
heating
Pump failure
Flow and pressure test pump.
Too much
fl
ow
Flow test pump.
System relief
Pressure test relief (adjust or replace as
needed). Adjust settings and speed.
Conveyor valve relief
Pressure test relief (adjust or replace as
needed). Adjust settings and speed.
Oil cooler fan failure
see oil cooler fan failures.
Case drain on mono valve is
plugged.
Case drain requires zero pressure line back to
tank.
Oil cooler fan failure
No power at fan
Verify FAN 30-amp fuse is not blown. Verify
relay is working properly.
Fan failure
Replace fan.
Troubleshooting
