Troubleshooting

Problem

 

Possible Causes

 

Likely Solutions

Tool will not start.

1.

Cord not connected.

1.

Check that cord is plugged in.

 

2.

No power at outlet.

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.

Tool’s thermal reset breaker

3.

Turn off tool and allow to cool. Press reset button

 

 

tripped (if equipped).

 

on tool.

 

4.

Internal damage or wear.

4.

Have technician service tool.

 

 

(Carbon brushes or switch, for

 

 

 

 

example.)

 

 

Tool operates slowly.

Extension cord too long or wire size

Eliminate use of extension cord. If an extension

 

too small.

cord is needed, use shorter/heavier gauge cord.

 

 

 

See Extension Cords in GROUNDING section.

Performance

Carbon brushes worn or damaged.

Have qualified technician replace brushes.

decreases over time.

 

 

 

 

Excessive noise or

Internal damage or wear. (Carbon

Have technician service tool.

rattling.

brushes or bearings, for example.)

 

 

Overheating.

1. Forcing machine to work too fast.

1.

Allow machine to work at its own rate.

 

2.

Accessory misaligned.

2.

Check and correct accessory to fence and/or

 

 

 

 

table alignment.

 

3.

Blocked motor housing vents.

3.

Wear ANSI-approved safety goggles and NIOSH-

 

 

 

 

approved dust mask/respirator while blowing dust

 

 

 

 

out of motor using compressed air.

 

4.

Motor being strained by long or

4.

Eliminate use of extension cord. If an extension

 

 

small diameter extension cord.

 

cord is needed, use one with the proper diameter

 

 

 

 

for its length and load. See Extension Cords in

 

 

 

 

GROUNDING section.

Follow all safety precautions whenever diagnosing or servicing the tool. Disconnect power supply before service.

SKU 91938

For technical questions, please call 1-800-444-3353.

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Chicago Electric 91938 operating instructions Troubleshooting, Problem Possible Causes Likely Solutions