User Manual

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30
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17. Trouble Shooting
Problem Possible Cause Remedy
Machine cannot be
switched on.
• No power supply.
• Carbon brush worn.
• Check power supply.
• Take machine to your service point.
Machine does not work or
stops suddenly.
• Power cut.
• Motor or switch defective.
• Power cut.
• Motor or switch defective.
Machine stops during
planing.
• Planing blade blunt/worn.
• Overload switch has tripped.
• Too much chip removal.
• Replace or sharpen blade.
• Switch on the motor again once it has cooled.
• Reduce chip removal.
Workpiece jams during
thicknessing.
• Cutting depth too great. • Reduce cutting depth and machine the workpiece in
several passes.
Speed decreases when
planing.
• Too much chip removal
• Blunt knives.
• Reduce chip removal.
• Replace knives.
Unsatisfactory surface
nish.
• Planing blade blunt/worn.
• Planing blade lled with chips.
• Uneven feed.
• Replace or sharpen blade.
• Remove chips.
• Feed the workpiece with constant pressure and at
reduced speed.
Machined surface too
rough.
• Workpiece contains too much
moisture.
• Dry workpiece.
Machined surface cracked. • Workpiece was machined against
the grain.
• Too much material planed at one
pass.
• Machine the workpiece from the opposite direction.
• Machine the workpiece in several passes.
Workpiece speed too low
during thicknessing.
• Thicknesser table resinous
• Feed roller too slippery
• Clean and apply glide wax
• Gently scour with sand paper
When thicknessing, chip
ejection obstructed (without
dust extractor).
• Too much chip removal.
• Blunt knives.
• Wood too humid.
• Reduce chip removal.
• Replace knives.
• Dry workpiece.
With surface planing and
thicknessing, chip ejection
obstructed (with dust
extractor).
• Suction performance too weak. • Use a dust extractor unit having an airow rate at the
suction connection of at least 20 m/s.
Regular servicing period Before
any
start-up
If
neces-
sary
Once a
week
After 6
months
Check that the planing blade is in perfect
condition
Inspection X
Change X X
Check the function of the safety equipment Inspection X
Change X
Clean dust and chips off the machine Clean X
Check the drive belt to ensure it has the correct tension
and is in good condition or not worn
Inspection X
Change
Oil or grease all moving connecting parts X X