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15. Troubleshooting
The table below contains a list of fault symptoms and explains what you can do to remedy the problem if your equip-
ment fails to work properly. If the problem still persists after working through the list, please contact your nearest
service workshop.
Problem
Machine cannot be switched
on.
Machine does not work or
stops suddenly
Machine stops during planing.
Workpiece jams during thick-
nessing
Speed decreases when planing Too much chip removal
Unsatisfactory surface finish
Machined surface too rough
Machined surface cracked
Workpiece speed too low
during thicknessing
When thicknessing, chip ejec-
tion obstructed (without dust
extractor).
36 | GB
Possible Cause
No power supply.
Carbon brush worn.
Chip extractor not mounted
Power cut
Motor or switch defective
Check microswitch
Planing blade blunt/worn
Overload switch has tripped
Check microswitch
Too much chip removal
Too fast feed
Cutting depth too great
Too fast feed
Blunt knives.
Planing blade blunt/worn
Planing blade filled with chips
Uneven feed
Workpiece contains too much
moisture
Workpiece was machined
against the grain
Too much material planed at
one pass
Workpiece was machined
against the grain
Too much material planed at
one pass
Too much chip removal
Blunt knives.
Wood too humid.
www.scheppach.com
Remedy
Check power supply.
Take machine to your service point.
Fit chip extraction system.
Check fuse, check overload switch on
machine.
Have the motor or switch checked by an
electrician.
Fit the chip extractor hood so that the mi-
croswitch is pressed.
Check fuses.
Due to the integrated lowvoltage protection,
the machine does not restart automatically.
Upon return of the voltage, the machine must
be switched on again.
Replace or sharpen blade
Switch on the motor again once it has cooled
Fit the chip extractor hood or bench lock so
that the microswitch is pressed.
Reduce chip removal.
Reduce infeed speed.
Reduce cutting depth and machine the work-
piece in several passes
Reduce chip removal.
Reduce infeed speed.
Replace knives.
Replace or sharpen blade
Remove chips
Feed the workpiece with constant pressure
and at reduced speed
Dry workpiece
Machine the workpiece from the opposite
direction
Machine the workpiece in several passes
Clean bench top and apply a thin coating of
lubricant wax
Repair transport rollers
Reduce chip removal.
Replace knives
Dry workpiece
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