Euroboor TUBE.30, Operator'S Manual

Page: 22 / 31

22
7. Trouble shooting
Motor does not work - Damaged or defective wiring
- Carbon brushes are stuck or worn out
- Defective magnet switch
- Defective On / Off switch
- Defective control unit
- Defective armature and/or field
Annular cutters break quickly,
holes are bigger than the hole
cutter - Clearance in the guide
- Bent spindle
- Shaft extending from the motor is bent
- Bent pilot pin
Motor running roughly and/or
seizing up - Bent spindle
- Shaft extending from the motor is bent
- Triangular guide not mounted straight
- Dirt between spindle and triangular guide
Motor starts running when
machine is plugged into mains - Damage or defective relais in control unit
Motor making a rattling sound - Gear ring (bottom of the armature) worn out
- Gear(s) worn out
- Insufficient oil in gear box
Motor humming, big sparks and
motor has no force - Armature damaged (burned)
- Field burned
- Carbon brushes worn out
Motor does not start or fails.
- Damaged or defective wiring
- Dirt in sensor speed control unit
- Defective or loose magnet on top of armature
- Damaged or defective (sensor) speed control unit
- Damage to armature or field coil
- Damaged or defective carbon brushes
Guiding takes a great deal of
effort - Guide is set too tight
- Guide is dry, needs to be greased
- Guide/gear- rack/rotation system dirty or damaged
Insufficient magnetic force - Bottom of magnet not clean and dry
- Bottom of magnet not suitable for workpiece
- Work piece is not bare metal
- Work piece is not clean or flat
- Work piece too thin
- Defective magnet
Frame under voltage - Damaged / defective wiring
- Motor seriously dirty or damaged
Fuse blows when machine is
plugged into mains - Damaged or defective wiring
- Wrong value fuse
- Defective switch
- Defective control unit