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SAFETYOPERATIONMAINTENANCE SETUP
Troubleshooting
Problem Possible Causes Likely Solutions
Disc Sander 
does not turn on
1.  Not plugged in.
2.  No power at outlet.
3.  Safety Key not inserted into Switch.
4.  Switch is not turned “ON”.
1.  Plug in Sander.
2.  Check power at outlet and/or circuit breaker.
3.  Insert Safety Key into Switch.
4.  Turn on the Switch.
Motor overheats 1.  Motor overloaded.
2.  Extension cord too long 
or insufficient gauge.
1.  Use less pressure.
2.  Use appropriate extension cord or 
plug tool directly into outlet.
Motor slows 
when sanding
Applying too much pressure 
while sanding
Use less pressure.
Wood burns 
while sanding
1.  Sanding Disc may be loaded 
with dirt or debris.
2.  Too much pressure.
3.  Sanding grit too fine.
1.  Clean or replace disc using 
instructions in this manual.
2.  Use less pressure.
3.  Use coarser grit Sanding Disc.
Deep Grooves/
Scars in 
workpiece
1.  Sanding Disc too coarse.
2.  Too much pressure.
3.  Workpiece being held 
against disc for too long.
4.  Sanding against the grain.
1.  Use finer grit disc.
2.  Use less pressure.
3.  Keep workpiece moving when sanding. 
4.  Sand with the grain.
Sanding 
surface clogs
1.  Too much pressure against 
Sanding Disc.
2.  Sanding softwood.
1.  Use less pressure. 
2.  Clean or replace Sanding Disc frequently.
  Follow all safety precautions whenever diagnosing or servicing 
the tool.  Disconnect power supply before service.