Product manual

Page 13
For technical questions, please call 1-800-444-3353.
Item 97622
Troubleshooting
Problem
Possible Causes
Likely Solutions
Tool will not start.
1.
Cord not connected.
2.
No power at outlet.
3.
Tool’s thermal reset breaker
tripped (if
equipped).
4.
Internal damage or
wear.
(Carbon brushes or
switch, for
example.)
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.
Tool operates slowly.
Extension cord too long or
cord diameter too small.
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
6.
Performance
decreases over time.
1.
Bit dull or damaged.
2.
Carbon brushes worn
or
damaged.
1.
Keep cutting bits sharp. Replace
as
needed.
2.
Have qualified technician replace brushes.
Excessive noise
or
rattling.
Internal damage or wear. (Carbon
brushes or bearings, for
example.)
Have technician service tool.
Overheating.
1.
Forcing tool to work too fast.
2.
Bit dull or damaged.
3.
Blocked motor housing vents.
4.
Motor being strained by long or
small diameter extension cord.
1.
Allow tool to work at its own rate.
2.
Keep cutting bits sharp. Replace
as
needed.
3.
Wear ANSI-approved safety goggles and
NIOSH
-
approved dust mask/respirator while
blowing dust out of motor using compressed air.
4.
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
6.
Follow all safety precautions whenever diagnosing or servicing the tool. Disconnect power
supply before service.
SAFETYOPERATIONMAINTENANCE SETUP