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, disengage the trigger 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.

Disengage the trigger and allow tool to

 

 

tripped (if equipped).

 

cool. Press reset button 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

 

too small.

extension cord is needed, use shorter/

 

 

 

heavier gauge cord. See Extension Cords

 

 

 

in GROUNDING section.

Performance

1.

Accessory dull or damaged.

1.

Keep cutting accessories sharp.

decreases over time.

 

 

 

Replace as needed.

 

2.

Carbon brushes worn or

2.

Have qualified technician replace

 

 

damaged.

 

brushes.

Excessive noise or

Internal damage or wear. (Carbon

Have technician service tool.

rattling.

brushes or bearings, for example.)

 

 

Drill bit slips in chuck

1.

Jaws are loose.

1.

Tighten chuck .

 

2.

Bit is jammed in work piece.

2.

Tighten chuck, then operate tool in

 

 

 

 

reverse to back bit out of work piece.

Overheating.

1.

Forcing tool to work too fast.

1.

Allow tool to work at its own rate.

 

2.

Accessory dull, damaged, or

2.

Keep cutting accessories sharp.

 

 

bent.

 

Replace as needed.

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

small diameter extension cord.

an extension 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 3273

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

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Harbor Freight Tools 3273 operating instructions Troubleshooting, Problem Possible Causes Likely Solutions