www.euroboor.com
31
6. Trouble shooting
The motor does not
work
- Damaged or defective wiring
- Carbon brushes are stuck or worn out
- Defective On / Off switch
- Defective control unit
- Defective armature and/or field
Motor running roughly
and/or seizing up
- Bent spindle
- Shaft extending from the motor is bent
Motor humming, big
sparks and motor has
no force
- Armature damaged (burned)
- Field burned
- Carbon brushes worn out
Overheating
- Blocked motor housing vents
-
Forcing tool to work too fast
Tool does not grind or
brush effectively
-
Accessory may be damaged,
worn or
wrong type for the material.