LeeBoy 8520C - Paver Troubleshooting Chart; Common Paver Troubleshooting Table

Troubleshooting Chart
The troubleshooting chart below identies the most
common symptoms of mechanical problems. Fault
codes are also shown on the PV480 Digital Display unit
on the Operator Control Panel.
Contact your authorized LeeBoy dealer for assistance,
service or repair.
Table 5-4. Paver Troubleshooting
SYMPTOM CAUSE REMEDY
Engine does not start.
Defective battery or low battery
charge.
Replace or charge battery as applicable.
Master switch is not set at the
ON position.
Set switch to the ON position.
Insufcient fuel supply. Fill fuel tank.
Safety switch is faulty. Replace.
Solenoid doesn’t function
properly.
Ensure wires are tight.
Clean solenoid plunger.
Replace solenoid coil.
Replace or rebuild starter or solenoid.
Switch box unplugged. Replug switch box.
Neutral switch defective. Replace.
Engine starter relay faulty. Replace.
E-Stop engaged. Disengage E-Stop.
Engine turns over but does
not start.
Low fuel. Add fuel to fuel tank.
Low battery.
Faulty alternator. Replace or rebuild.
Indicator light, bad bulb. Replace.
Machine will not move. RUN/STOP switch faulty. Check RUN/STOP switch.
Machine does not steer
straight.
One of the hydraulic drive
motors needs adjustment.
Readjust motor(s).
Steering control is not centered. Center steering control.
Travel pump defective. Replace or rebuild travel pump.
Machine does not change
speed when the 2-Speed
switch is engaged.
Defective relay. Replace relay.
Defective solenoid. Replace solenoid.
Defective drive motor. Replace drive motor.
Conveyor does not function
on one or both sides.
Defective Automatic/Manual
switch.
Replace switch.
Solenoid defective. Replace.
Feeder drive chain broken. Repair or replace chain.
Defective conveyor motor. Replace.
Rear conveyor shaft broken. Replace.
5555
LeeBoy 8520C Conveyor Paver 5-53
Maintenance