Troubleshooting - Chicago Electric 90045 Set Up And Operating Instructions Manual

problem
Tool will not start. 1.
2.
3.
4.
Tool operates slowly. Extension cord too long or wire size
too small.
Performance 1.
decreases over time.
2.
Excessive noise or Internal damage or wear. (Carbon
rattling. brushes or bearings, for example.)
Overheating. 1.
2.
3.
4.
Follow all safety precautions whenever diagnosing or servicing the tool.
disconnect power supply before service.
SKU 90045

troubleshooting

possible causes
Cord not connected.
No power at outlet.
Tool's thermal reset breaker
tripped (if equipped).
Internal damage or wear.
(Carbon brushes or switch, for
example.)
Sanding belt dull or damaged.
Carbon brushes worn or
damaged.
Forcing tool to work too fast.
Sanding belt dull or damaged.
Blocked motor housing vents.
Motor being strained by long or
small diameter extension cord.
For technical questions, please call 1-800-444-3353.
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.
1. Replace as needed.
2. Have qualified technician replace brushes.
Have technician service tool.
1. Allow tool to work at its own rate.
2. 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.
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