7
TROUBLESHOOTING
Problem
Possible Causes
Likely Solutions
Tool will not start.
Cord not connected.
1.
No power at outlet.
2.
Tool’s thermal reset breaker
3.
tripped (if equipped).
Internal damage or wear.
4.
(Carbon brushes or switch, for
example.)
Head Bolts too tight.
5.
Check that cord is plugged in.
1.
Check power at outlet. If outlet is unpowered,
2.
turn off tool and check circuit breaker. If breaker
is tripped, make sure circuit is right capacity for
tool and circuit has no other loads.
Turn off tool and allow to cool. Press reset button
3.
on tool.
Have technician service tool.
4.
Make sure that Head Bolts are not
5.
excessively tight.
Tool operates slowly.
Dirty, worn or damaged blades.
1.
Extension cord too long or wire
2.
size too small.
Head Bolts too tight.
3.
Clean or replace blades.
1.
Eliminate use of extension cord. If an extension
2.
cord is needed, use shorter/heavier gauge cord.
See
Extension Cords
in
GROUNDING
section.
Make sure that Head Bolts are not
3.
excessively tight.
Performance
decreases over time.
Blades dull or damaged.
1.
Carbon brushes worn or
2.
damaged.
Keep blades sharp. Replace as needed.
1.
Have qualified technician replace brushes.
2.
Cut not smooth.
Head Bolts loose.
Tighten Head Bolts enough to properly hold the
Left and Right Blades in place.
Excessive noise or
rattling.
Internal damage or wear. (Carbon
brushes or bearings, for example.)
Have technician service tool.
Overheating.
Forcing tool to work too fast.
1.
Blades misaligned.
2.
Blades dull or damaged.
3.
Blocked motor housing vents.
4.
Motor being strained by long or
5.
small diameter extension cord.
Allow tool to work at its own rate.
1.
Check and correct blades to fence and/or table
2.
alignment.
Keep blades sharp. Replace as needed.
3.
Wear ANSI-approved safety goggles and NIOSH-
4.
approved dust mask/respirator while blowing dust
out of motor using compressed air.
Eliminate use of extension cord. If an extension
5.
cord is needed, use one with the proper diameter
for its length and load. See
Extension Cords
in
GROUNDING
section.
Follow all safety precautions whenever diagnosing or servicing the tool.
Disconnect power supply before service.
