Troubleshooting - Chicago Electric 61481 Owner's Manual & Safety Instructions

Troubleshooting

Problem
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.)
Tool operates slowly. Extension cord too long or
wire size too small.
Performance 1. Wheel worn or dull.
decreases over time.
2. Carbon brushes worn
or damaged.
Excessive noise Internal damage or wear. (Carbon
or rattling. brushes or bearings, for example.)
Overheating. 1. Forcing machine to work too fast.
2. Wheel worn or dull.
3. Blocked motor housing vents.
4. Motor being strained by long or
small diameter extension cord.
Follow all safety precautions whenever diagnosing or servicing the tool.
Disconnect power supply before service.
Item 61481
Possible Causes
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.
1. Replace wheel.
2. Have qualified technician replace brushes.
Have technician service tool.
1. Allow machine to work at its own rate.
2. Replace wheel.
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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