Troubleshooting; Possible Cause - Scheppach Hms1070 Originalbetriebsanleitung

15. 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

The machine will not No mains voltage present.
switch on Carbon brushes worn.
Chip extractor not installed
Machine not functioning Power failure
or stops suddenly Engine or switch faulty
Check microswitch
Machine stops during Planer blade blunt/worn
planing Overload switch has tripped
Check microswitch
Too much chip take-off
Feed to fast
Workpiece jams during Cutting depth too large
thicknessing
Speed drops during Too much chip take-off
planing Feed to fast
Blunt blades
Unsatisfactory surface Planer blade blunt/worn
condition Planer blade clogged by chips
Uneven feed
Machined surface too Workpiece still contains too much
rough moisture
Machined surface Workpiece was machined against
cracked the direction of growth
Too much material planed off at
once
Workpiece feed too Workpiece was machined against
slow during thickness- the direction of growth
ing Too much material planed off at
once
Chip ejection clogged Too much chip take-off
during thicknesser Blunt blades
operation (without Wood too wet
extraction)
Chip ejection clogged Too much chip take-off
during jointing/planing Feed to fast
(without extraction) Blunt blades
Wood too wet
Chip outlet clogged Extraction too weak
with extraction during
jointing/planing or thick-
nessing
Remedy
Check the power supply
Take the machine to the customer service workshop
Fit chip extractor
Check fuse / overload protection on device
Have the motor or switch checked by a qualified
electrician
Fit the chip extractor so that the microswitch is actu-
ated. Check the mains fuse. The machine does not
restart automatically due to the built-in undervoltage
protection and must be switched on again when the
voltage returns
Change or sharpen blades
Switch back on again after motor cool-down time
Mount the chip extractor hood or table lock so that
the microswitch is activated
Reduce chip take-off
Reduce feed speed
Reduce the cutting depth and machine the work-
piece in multiple operations
Reduce chip take-off
Reduce feed speed
Replace the blade
Change or sharpen blades
Remove chips
Feed workpiece with constant pressure and reduced
feed rate
Dry workpiece
Machine the workpiece from the opposite direction
Process the workpiece in multiple operations
Clean the tabletop and treat it with a thin layer of
sliding wax
Repair transport rollers
Reduce chip take-off
Replace the blade
Dry workpiece
Reduce chip take-off
Reduce feed speed
Replace the blade
Dry workpiece
An extraction unit that guarantees an air speed of at
least 20 m/s at the extraction connection, must be
used
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