Festool PI571579 Sander User Manual


 
17
Troubleshooting
Problem Possible causes Remedy
PLANEX bumps over
the surface.
Suction power too strong Reduce suction power or switch to external
extraction if necessary.
Hard repair compound or hard sublayers Reduce suction power or switch to external
extraction if necessary.
Reduce speed.
Extraction power is
insuffi cient.
Main fi lter on CT 36 E AC-LHS blocked /
clogged.
Clean the main fi lter regularly:
Option 1: Clean the main fi lter with Auto-
Clean, set the suction power control to the
maximum setting. Cover the nozzle, suction
hose or intake opening on the extractor with
the surface of your hand for 10 seconds un-
til the automatic cleaning cycle starts.
Option 2: Clean the main fi lter mechanically
(extracting).
Option 3: Check the main fi lter for damage
and clogging. Insert a new fi lter element
regularly.
Disposal bag inserted incorrectly. The holes punched in the disposal bag must
be inside the container.
Filter bag inserted instead of disposal
bag.
Always work with the disposal bag when
operating the PLANEX (grey bag).
Suction power setting on CT 36 E AC-
LHS too low.
Adjust the suction power to a higher set-
ting.
Speed of PLANEX too fast Reduce speed.
Internal extraction on PLANEX with ex-
traction control on setting 1
Increase suction power or switch to exter-
nal extraction.
Repair compound with a high percent-
age of fi ller, soft fi ller
Switch on the external extractor connected
to the PLANEX, set the extraction control to
setting 6, in extreme cases, turn down the
speed.
Suction hose blocked or kinked. Remove blockage and straighten hose.
Disposal bag full Dispose of the bag.
Excessive material
removed from work-
piece
Speed of PLANEX too fast Reduce speed.
Suction power of the PLANEX too strong Reduce suction power or switch to external
extraction.
Repair compound with a high percent-
age of fi ller, soft fi ller
Switch on the external extractor connected
to the PLANEX, set the extraction control to
setting 6, in extreme cases, turn down the
speed.
Grit on abrasive too coarse Select a fi ner grit.