Troubleshooting - Drill Master 69947 Owner's Manual

Troubleshooting

problem
Tool will not start. 1. Cord not connected.
2. No power at outlet.
3. Tool's thermal reset
4. Internal damage or wear.
Tool operates 1. Forcing tool to
slowly.
2. Extension cord too long
Performance 1. Carbon brushes
decreases
over time.
2. Bit dull or damaged.
Excessive noise Internal damage or wear.
or rattling. (Carbon brushes or
bearings, for example.)
Overheating. 1. Forcing tool to
2. Bit dull or damaged.
3. Blocked motor housing
4. Motor being strained by
Follow all safety precautions whenever diagnosing or servicing the tool.
Disconnect power supply before service.
Item 69947
possible causes
breaker tripped
(if equipped).
(Carbon brushes or
switch, for example.)
work too fast.
or cord diameter
too small.
worn or damaged.
work too fast.
vents.
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.
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. 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.
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