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Problem Cause Corrective Action
The suction effect is insufficient. The suction power on the dust extrac-
tor is too low.
Increase the suction power on the dust
extractor.
The drywall sander's speed is too high. Reduce the speed.
The internal dust extraction on the
drywall sander is too low.
Reduce the suction power or switch to
external dust extraction.
The joint compound material has a high
proportion of compound or is very soft.
Switch on the external dust extraction,
set the suction power thumbwheel to
setting 6 and, in extreme cases, reduce
the speed.
The main filter on the dust extractor is
blocked/jammed.
Clean the filter element regularly:
Option 1: Set the suction power regu-
lation to the maximum suction power.
Seal the nozzle, extraction hose or in-
take port on the dust extractor with the
palm of your hand for 10 seconds until
the automatic cleaning starts.
Option 2: Clean the filter element me-
chanically (extraction).
Option 3: Check the filter element for
damage and blockages. Insert a new
filter element regularly.
A fleece dust bag is being used. Use a waste disposal dust bag.
The extraction hose is blocked or
twisted.
Remove the blockage or untwist the
hose.
The dust extractor's dust container
is full.
Empty the dust extractor's dust
container.
Troubleshooting
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