Trouble Shooting - Scheppach PLM1800 Original Bedienungsanleitung

17. Trouble Shooting

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