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Troubleshooting
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.
. Tool's thermal reset
. Turn off tool and allow to cool.
breaker tripped
(if equipped).
Press reset button on tool.
. Internal damage or wear.
(Carbon
. Have technician service tool.
brushes or power switch, for example.
Tool operates slowly.
}1. Excess pressure applied to workpiece.
| 1 . Decrease pressure, allow tool to do the work.
. Power being reduced by long or small
. Eliminate use of extension cord.
diameter 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.
Carbon brushes worn or damaged.
Have qualified technician replace brushes.
Internal damage or wear.
Have technician service tool.
Carbon brushes or bearings, for example.
Overheating.
1. Forcing tool to work too fast.
1. Allow tool to work at its own rate.
2. Blocked motor housing vents.
2. Wear ANSI-approved safety goggles
and NIOSH-approved dust mask/
respirator while blowing dust out of
motor using compressed air.
. Motor being strained by long or
. Eliminate use of extension cord.
small diameter 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.
Tool does not
. Accessory loose.
. Confirm accessory arbor is correct and
grind, sand or
Outer Flange/Arbor Nut is tight.
brush effectively.
. Accessory damaged, worn or
. Check condition and type of disc accessory.
wrong type for the material.
Use only proper type of disc
i n
good condition.
Follow all safety precautions whenever diagnosing or servicing
the tool.
Disconnect power supply before service.
MAIN
Item 64856
For technical questions, please call 1-888-866-5797.
Page 17
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