KSS300
Some of the most common malfunctions and their causes are listed below. For other malfunctions, please
contact your dealer or MAFELL Customer Service directly.
Malfunction
Machine can not be switched on
Machine stops during the cutting
process
Saw blade jams when pushing the
machine forward
Saw blade vibrates in the
workpiece
Saw blade stops - motor
continues rotating
Burn marks at the cut surfaces
Chip ejector obstructed
Lower movable guard does not
close or closes only slowly
01/2022
Cause
Mains voltage missing or too low
Mains fuse defective
Carbon brushes worn out
Mains failure
Machine overload
Carbon brushes worn out
Feed rate too high
Blunt saw blade
Tension in the workpiece
Poor machine guidance (e.g. due
to unsupported manual guidance)
Uneven workpiece surface
Saw blade not adjusted correctly
Workpiece not secured
Saw blade not properly secured
Saw blade blunt or unsuitable for
the operation
Wood too damp
Long cutting operation without
extraction
Chips and wooden fragments in
the lower movable guard
Elimination
Have the power supply checked by
an electrician
Have fuse replaced by an
electrician
Take the machine to the MAFELL
customer service workshop
Have the mains back-up fuses
checked by an electrician
Reduce feed rate
Take the machine to the MAFELL
customer service workshop
Reduce feed rate
Release switch at once. Remove
the machine from the workpiece
and replace the saw blade
Increased caution when sawing,
higher risk of kickback.
Use parallel guide fence
Align surface
Retighten saw blade
Secure workpiece with clamps
Retighten saw blade
Replace saw blade
Clean chip ejector
Connect the machine to an
external extractor, such as a small
dust extractor
Remove chips and wooden
fragments
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