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7. Trouble shooting
Magnet and motor do not function
- The magnet switch is not connected to the power supply
- Damaged or defective wiring
- Defective fuse
- Defective magnet switch
- Defective Control Unit
- Defective power supply
Magnet does function, fitted drilling
machine does not work
- Damaged or defective wiring
- Defective magnet switch
- Defective On / Off switch
- Defective Control Unit
- Defective armature and/or field
- Check instructions fitted drilling machine
Magnet does not function, the ,
fitted drilling machine does
- Defective magnet
- Defective wiring of magnet
- Defective Control Unit
Twist drills break or bend, holes are
bigger than the twist drill
- Clearance in the guide
- Unbalance in fitted drilling machine
Fitted drilling machine 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
- Check instructions fitted drilling machine
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
- Damaged or defective wiring
- Bottom of magnet not clean and dry
- Bottom of magnet not flat
- Work piece is not bare metal
- Work piece is not clean or flat
- Work piece is less than 10 mm (too thin)
- Defective Control Unit
- Defective magnet
Frame under voltage
- Damaged / defective wiring or magnet
- Damaged or defective fitted drilling machine
Fuse blows when magnet switch is
turned on
- Damaged or defective wiring
- Wrong value fuse
- Defective magnet switch
- Defective Control Unit
- Defective magnet
Fuse blows when fitted drilling
machine is started
- Damaged or defective wiring
- Wrong value fuse
- Defective Control Unit
- Damaged or defective fitted drilling machine
Rotation system free stroke too long
- Loose or defective gear-rack
- Defective rotation system
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