Problem(s)
Possible Cause(s)
Suggested Solution(s)
Heavy sparking
inside motor
housing.
1.
Motor is shorting.
1.
Disconnect tool from the power
source immediately. Have the
tool examined by a qualified
technician.
Overheating
1.
Forcing machine to work too
fast.
2.
Blocked motor housing vents.
1.
Allow machine to work at its
own rate.
2.
Keep the drill bit sharp.
Replace as needed
3.
Blow dust out of motor using
compressed air.
Machine slows
when operating.
1.
Low voltage due to
insufficiently powered circuit.
2.
Wrong gauge extension cord.
3.
Feed rate into the drill bit too
great.
4.
The battery has insufficient
charge.
5.
Battery is worn out.
1.
Attach to power circuit with
adequate amperage.
2.
Replace with a thicker gauge
extension cord.
3.
Slow rate of feed into the drill
bit.
4.
Follow instructions to charge
the battery in Care &
Maintenance.
5.
Replace with a new battery
from the same manufacturer.
Dispose or recycle your old
battery according to your local
municipal bylaws.
Excessive drill
wobble.
1.
Worn chuck.
2.
Bent drill bit.
1.
Replace chuck.
2.
Renew drill bit.
Drill binds in
workpiece.
1.
Excessive feed pressure.
2.
Incorrect drill bit speed.
1.
Apply less pressure.
2.
Adjust the drill speed.
Drill bit burns or
smokes.
1.
Incorrect drill bit speed.
2.
Swarf is not discharging.
3.
Dull drill or not proper
clearance for material.
4.
Needs coolant.
5.
Excessive feed pressure.
1.
Adjust drill speed accordingly.
2.
Clean drill.
3.
Check sharpness and taper.
4.
Use coolant while drilling.
5.
Apply less pressure.
V1.0
LI-ION CORDLESS HAMMER DRILL
9054685
Page 19
www.princessauto.com / 1-800-665-8685