PROBLEM
CAUSE
SOLUTION
Unit will not start.
1) Power cord is not connected to a
power supply.
1) Ensure the power cord is connected
to a power supply
2) Power outlet does not have power.
2) Ensure that there is power at the
outlet. If there is no power, check to
make sure the breaker is not tripped
and the outlet is rated for the proper
capacity of the tool.
3) Internal damage or excessive wear
(ex. carbon brushes are warn, the
switch has a faulty wire).
3) Contact customer service at
1-800-
232-1195
for assistance.
Unit's blade operates slowly.
1) Power is being reduced by improper
outlets or non-compliant extension
cords
1) Check that the power outlet is rated
for the proper capacity to match the
tool and that proper extension cords
are being use.
Unit's performance decreas-
es over time.
1) Blade has become dull or damaged. 1) Replace blade if needed.
2) Carbon brushes have worn down or
are damaged.
2) Replace carbon brushes if needed.
Excessive noise or vibration.
1) Carbon brushes have worn down or
are damaged.
1) Replace carbon brushes if needed.
2) Damage or ware to internal parts.
2) Contact customer service at
1-800-
232-1195
for assistance.
Unit is overheating.
1) Tool is being advanced too quickly
into the workpiece.
1) Slow down tool advancement into
material.
2) Blade is damaged or dull.
2) Ensure blade is kept sharp and
replace blade if need.
3) Dust has collected in the motor
housing vents.
3) Clean dust from vents. Use com-
pressed air to blow dust out while us-
ing properly rated safety glasses and
dust mask.
4) Motor is not getting enough power
due to use of improperly rated exten-
sion cord.
4) Use extension cords only as recom-
mended.
TROUBLESHOOTING GUIDE
WARNING!
Stop using the tool immediately if any of the following problems occur. Repairs and replace-
ments should only be performed by an authorized technician. For any questions, please contact our customer
service at
1-(800) 232-1195
, M-F 8-5 CST or email us at [email protected].
16
Summary of Contents for JN8504
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