Page 12
For technical questions, please call 1-888-866-5797.
Item 57226
Troubleshooting
Problem
Possible Causes
Likely Solutions
Tool will not start.
1. Cord not connected.
2. No power at outlet.
3. Internal damage or wear. (Carbon
brushes or switch, for example.)
1. Check that cord is plugged into 120V outlet.
2. Check power at outlet. If outlet is
unpowered, 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.
3. Have technician service tool.
Tool operates slowly. 1. Tool is set on slow speed setting.
2. Excess pressure applied to workpiece.
3. Power being reduced by too lengthy
or small diameter extension cord.
1. Increase speed setting.
2. Decrease pressure, allow
tool to do the work.
3. Eliminate use of extension cord. If
an extension cord is needed, use
one with the proper diameter for
its length and load. See
Extension
Cords
in
GROUNDING
section.
Performance
decreases over time.
Worn internal components.
Have qualified technician service tool.
Excessive noise
or rattling.
Internal damage or wear. (Worn
bearings, for example.)
Have technician service tool.
Overheating.
1. Forcing tool to work too fast.
2. Blocked motor housing vents.
3. Motor being strained by too lengthy
or small diameter extension cord.
1. Allow tool to work at its own rate.
2. Wear ANSI-approved safety goggles
and NIOSH-approved dust mask/
respirator while blowing dust out
of motor using compressed air.
3. Eliminate use of extension cord. If
an extension cord is needed, use
one with the proper diameter for
its length and load. See
Extension
Cords
in
GROUNDING
section.
Tool does not
grind, sand or
brush effectively.
1. Disc accessory may be loose on
Spindle.
2. Disc accessory may be damaged,
worn or wrong type for the material.
1. Be sure disc accessory is of correct
dimension and Collet Nut is tight.
Check tightness of Collet Nut or
threaded disc accessory on Spindle
2. Check condition and type of disc
accessory. Use only proper type
of disc accessory. Accessories
must be in good condition.
Follow all safety precautions whenever diagnosing or servicing the tool. Disconnect power
supply before service.
