Troubleshooting - Chicago Electric 1/2" Variable Speed Reversible Heavy Duty Drill 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. 1. Forcing tool to work too fast.
2. Extension cord too long or cord
diameter too small.
Performance 1. Carbon brushes worn
decreases over time. or damaged.
2. Bit dull or damaged.
Excessive noise Internal damage or wear. (Carbon
or rattling. brushes or bearings, for example.)
Drill bit slips 1. Jaws are loose.
in chuck.
2. Bit is jammed in workpiece.
Overheating. 1. Forcing tool to work too fast.
2. Bit dull or damaged.
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 3273
Possible Causes
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.
1. Allow tool to work at its own rate.
2. 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 6.
1. Have qualified technician replace brushes.
2. Keep bits sharp. Replace as needed.
Have technician service tool.
1. Tighten chuck .
2. Tighten chuck, then operate tool in
reverse to back bit out of workpiece.
1. Allow tool to work at its own rate.
2. Keep bits sharp. 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 on page 6.
Page 13