Oliver 6320, Owner'S Manual, Page: 33 / 56

6320 Sander OLIVERMACHINERY.NET 33 | Page
Troubleshooting
Mechanical / Electrical Issues
Problem Possible Cause Solution
Machine will not start. Not connected to a
power source. Make sure the machine is plugged in.
Check the electrical panel for a tripped circuit
breaker or a blown fuse.
Ensure all electrical connections have good
contacts.
Low voltage/current. Have a licensed electrician check/repair the
power circuit.
Faulty switch/motor/
capacitor. Contact customer service for further assistance.
Machine stopped
during the operation. Tripped circuit breaker
or blown fuse. Reconnect circuit. Reduce feed pressure.
Overload protection
mechanism triggered. Wait 5 minutes for the motor to cool down and
the overload protection mechanism to reset
automatically before restarting the sander.
Circuit breaker trips
frequently. Feed pressure is too
high. Reduce feed pressure.
Extension cord is too
light or too long. Use a shorter / heavier cord that meets this
machine
’ s electrical requirements.
Machine stalls or does
not come up to speed Extension cord is too
light or too long. Use a shorter / heavier cord that meets this
machine
’ s electrical requirements.
Feed pressure is too
high. Reduce feed pressure.
Motor is not wired
properly for the
operating voltage. Use the wiring diagram to properly wire up the
motor.
Motor/capacitor issue. Contact customer service for further assistance.
Machine vibrates
excessively Machine stands on
uneven floors. Reposition the machine on a flat, level surface.
Low sanding belt
tension. Make sure the belt tension lever is fully lowered
and the belt tensioning mechanism is not
obstructed.
Replace broken tension spring as needed.
Worn/broken sanding
belt. Replace the sanding belt.
Improper
motor/component
mounting. Check, adjust, and tighten motor/component
mounting.
Motor bearing issue. Contact customer service for further assistance.