Troubleshooting
Noise while running.
“Burnt” bit.
Irregular bit
movement.
Defective bit.
The bit gives off or
jump.
Impossibility to set
the chuck or the
chuck axle.
The motor is not
starting.
Motor overheating
and lack of energy.
Low working
pressure.
The axis bushing is
not returning to the
original position.
The axis is not moving
downwards.
Axis support
overheating.
The axis is squeaking
while working with
working pieces with a
rough surface.
• The axis is rotating dry.
• The bit is blunt or secured incorrectly.
• Wrong speed / fast feed.
• Residues inside the orifice.
• Blunt bit.
• Operating without or scarce coolant.
• Solid material in the work piece.
• Irregular length of the cutting spiral or irregular
angles in the bit.
• Malformed bit.
• A support is not being used.
• Malformed bit.
• Worn supports.
• Bit is not secured.
• Defective chuck.
• There is dust, grease or oil in the inner conical
surface of the chuck or axis.
• Motor is not connected correctly.
• Defective fuse.
• Overloaded motor.
• Voltage drop.
• The motor is not connected correctly.
• Irregular or warped work piece.
• Inaccurate horizontal position of the work piece
support.
• The axis recovery spring is not working
correctly.
• A securing shank is being inserted.
• A securing shank is being inserted.
• The depth scale lock is not being released.
• Worn supports.
• The support pre-tension is too high.
• Working in high speed too long.
• The free space in the support is to wide.
• The axis is moving up and down.
• The adjusting cotter is loose.
• The bushing is loose.
• The tool is dull.
• The work piece is loose.
• Lubricate the axis.
• Use a new bit and check the bit adjustment, the
chuck and / or the chuck shaft.
• Adjust speed / reduce feed.
• Pull out the bit regularly.
• Hone or replace bit.
• Use coolant.
• Replace the work piece.
• Replace the bit or hone again.
• Fix and splice a wooden board in the back or
the work piece.
• Replace bit.
• Replace supports.
• Secure the bit correctly.
• Replace chuck.
• Clean the surfaces.
• Avoid putting grease in the surfaces.
• Inspection in a
Authorized
Service Center.
• Disconnect immediately and call a
Authorized Service Center.
• Inspection in a
Authorized
Service Center.
• Adjust the work piece, prevent movement
without damaging it.
• Adjust the work piece support.
• Check the axis recovery spring, replace if
necessary in a Authorized
Service Center.
• Remove the securing shank.
• Remove the securing shank.
• Release the depth scale lock.
• Replace in a Authorized
Service Center.
• Reduce the support free space (supports,
bearing, cone)
• Reduce the drill revolutions / feed.
• Adjust the support free space or replace the
support.
• Adjust the free space in the support.
• Adjust the cotter with a screw to control the
free space. Tighten back.
• Hone the bit or replace.
• Support the work piece correctly.
Problem
Cause
Solution
11
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