Troubleshooting - Chicago Electric 68988 Owner's Manual & Safety Instructions

7-1/4" worm drive professional series
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troubleshooting

problem
possible causes
Tool will not start. 1. Cord not connected.
2. No power at outlet.
3. Tool's thermal reset
4. Internal damage
Tool operates
Extension cord too long
slowly.
or wire size too small.
Performance
1. Accessory dull
decreases
over time.
2. Carbon brushes
Excessive noise
Internal damage or wear.
or rattling.
(Carbon brushes or
bearings, for example.)
Overheating.
1. Forcing tool to
2. Accessory misaligned.
3. Accessory dull
4. Blocked motor
5. Motor being
Follow all safety precautions whenever diagnosing or servicing the tool.
Disconnect power supply before service.
Item 68988
breaker tripped
(if equipped).
or wear.
(Carbon brushes or
switch, for example.)
or damaged.
worn or damaged.
work too fast.
or damaged.
housing vents.
strained by long
or 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.
Eliminate use of extension cord.
If an extension cord is needed, use shorter/
heavier gauge cord. See Extension Cords
in Grounding section on page 8.
1. Keep cutting accessories sharp.
Replace as needed.
2. Have qualified technician replace brushes.
Have technician service tool.
1. Allow tool to work at its own rate.
2. Check and correct accessory to
fence and/or table alignment.
3. Keep cutting accessories sharp.
Replace as needed.
4. Wear ANSI-approved safety goggles and
NIOSH-approved dust mask/respirator while
blowing dust out of motor using compressed air.
5. 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 8.
Page 15

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