21
Troubleshooting
Service on these tools should only be performed by an authorized, qualified technician.
Problem
Cause
Solution
Sanding Grains easily
rub off belt or discs.
1.
Sanding belt/disc has been
stored in an incorrect
environment.
2.
Sanding belt/disc has been
damaged or folded.
1.
Ensure sanding accessories are
stored away from extremely
hot or dry temperatures.
2.
Store sanding accessories flat –
not bent or folded.
Deep sanding grooves
or scars in workpiece.
1.
Sanding belt/disc grit is
too coarse for the desired
finish.
2.
Workpiece sanded across
the grain.
3.
Too much sanding force
on the workpiece.
4.
Workpiece held still
against the belt-disc for
too long.
1.
Use a finer-grit sanding
accessory.
2.
Sand with the grain of the
wood.
3.
Reduce pressure on workpiece
while sanding.
4.
Keep workpiece moving while
sanding on the sanding
accessory.
Sanding surface clogs
quickly.
1.
Too much pressure
against belt/disc.
2.
Sanding softwood.
1.
Reduce pressure on workpiece
while sanding.
2.
Use different stock, different
sanding accessories, or accept
that this will happen and plan
on cleaning or replacing
belts/discs frequently.
Burns on workpiece.
1.
Using a sanding grit that
is too fine.
2.
Using too much pressure.
3.
Work held still for too
long.
1.
Use a coarser-grit sanding
accessory.
2.
Reduce pressure on workpiece
while sanding.
3.
Do not keep workpiece in one
place for too long.
Motor will not start –
fuses or circuit
breakers tripping or
blowing.
1.
Short circuit in line, cord
or plug.
2.
Short circuit in motor or
loose connections.
3.
Incorrect fuses or circuit
breakers in power line.
1.
Inspect cord or plug for
damaged insulation and
shorted wires.
2.
Inspect all connections on
motor for loose or shorted
terminals and/or worn
insulation.
3.
Install correct fuses or circuit
breakers or switch tool to an
appropriately size circuit.
