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17. Troubleshooting
The following table shows fault symptoms and describes remedial measures in the event of your product failing to
work properly. If you cannot localise and rectify the problem with this, please contact your service workshop.
Fault Possible cause Remedy
The machine will not
switch on.
No mains voltage present. Check power supply.
Carbon brushes worn out. Take the machine to the customer service workshop.
Machine switches o
automatically while
idling.
Mains failure
Check fuse on the mains side.
Due to the built-in undervoltage protection, the machine
does not restart by itself and must be switched on again
when the voltage is restored.
Machine stops during
machining.
Overload protection has
tripped due to the cutter
blade being blunt, or the
feed rate or cutting depth
being too great.
Before continuing work, replace the blades or wait for
the motor to cool down.
Speed drops during
machining.
Too much chip take-o. Reduce chip take-o.
Feed to fast. Reduce feed speed.
Blunt cutter. Replace cutter.
Untidy cutting pattern.
Blunt cutter. Replace cutter.
Uneven feed. Cut with constant pressure and reduced feed rate.
Chip ejection clogged
(without extraction).
Too much chip take-o. Reduce chip take-o.
Blunt cutter. Replace cutter.
Wood too wet. Only machine dry wood.