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troubleshooting
problem
Tool will not start.
1. Cord not connected.
2. No power at outlet.
3. Tool's thermal reset breaker
4. Internal damage or wear.
Tool operates slowly. 1. Forcing tool to work too fast.
2. Extension cord too long or cord
Performance
Carbon brushes worn or damaged.
decreases over time.
Excessive noise
Internal damage or wear. (Carbon
or rattling.
brushes or bearings, for example.)
Overheating.
1. Forcing tool to work too fast.
2. Blocked motor housing vents.
3. Motor being strained by long or
Follow all safety precautions whenever diagnosing or servicing the tool.
Disconnect power supply before service.
Page 10
possible causes
tripped (if equipped).
(Carbon brushes or
Trigger, for example.)
diameter too small.
small diameter extension cord.
For technical questions, please call 1-888-866-5797.
Likely Solutions
1. Check that cord is plugged in.
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. Turn off tool and allow to cool.
Press reset button on tool.
4. Have technician service tool.
1. Allow tool to work at its own rate.
2. 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 on page 5.
Have qualified technician replace brushes.
Have technician service tool.
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 on page 5.
Item 59163
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