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troubleshooting
problem
Tool will not start.
1. Battery Pack not properly connected.
2. Battery Pack not properly charged.
3. Battery Pack stopped working.
4. Tool's thermal reset
5. Internal damage or wear. (Carbon
Tool operates slowly. 1. Excess pressure applied to workpiece.
2. Battery Pack power low.
3. Battery Pack wearing out.
Performance
1. Carbon brushes worn or damaged.
decreases over time.
2. Battery Pack wearing out.
Excessive noise
Internal damage or wear.
or rattling.
(Carbon brushes or bearings, for example.)
Overheating.
1. Forcing tool to work too fast.
2. Blocked motor housing vents.
Tool does not
1. Accessory loose.
grind effectively.
2. Accessory damaged, worn or
Follow all safety precautions whenever diagnosing or servicing
the tool. Disconnect power supply before service.
Page 14
possible causes
breaker tripped (if equipped).
brushes or power switch, for example.)
wrong type for the material.
For technical questions, please call 1-888-866-5797.
Likely Solutions
1. Remove Battery Pack, make sure there
are no obstructions, reinsert the Battery
Pack according to its shape (it should
only fit one way), and press firmly until
the Battery Pack locks in place.
2. Make sure Charger is connected and
operating properly. Give enough time
for Battery Pack to recharge properly.
3. Dispose of old Battery Pack
properly or recycle. Replace Battery Pack.
4. Turn off tool and allow to cool.
Press reset button on tool.
5. Have technician service tool.
1. Decrease pressure, allow
tool to do the work.
2. Recharge Battery Pack.
3. Dispose of old Battery Pack
properly or recycle. Replace Battery Pack.
1. Have qualified technician replace brushes.
2. Battery Pack capacity will gradually
decrease through use. If symptoms
are severe, recycle old Battery Pack
(or dispose of properly) and replace it.
Have technician service tool.
1. Allow tool to work at its own rate.
2. Wear ANSI‑approved safety goggles
and NIOSH‑approved dust mask/
respirator while blowing dust out of
motor using compressed air.
1. Confirm accessory arbor is correct
and Arbor Bolt is tight.
2. Check condition and type of disc accessory.
Use only proper type of disc
accessory in good condition.
Item 59365
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