9
Troubleshooting
DANGER
Electrical power.
Risk of fatal injury.
▶ Have the electrical part of the device repaired and serviced only by profes‐
sionals or persons trained at the factory who have been advised of the safety
instructions.
▶ Before opening any housing parts, pull the power plug to turn off the power.
Malfunction
Cause
Remedy
The extraction level is not suffi‐
cient.
The filter bag is full.
▶ Change the filter bag.
The default extraction level is set
at the lowest level.
▶ Press the "Plus" key to set a
higher level.
The suction hose or suction site is
dirty.
▶ Clean the suction hose or suc‐
tion site.
The suction does not start when
the unit starts.
The current switching threshold is
not properly set.
▶ Reset the current switching
threshold.
The unit is not connected to the
dust extraction system.
▶ Connect the unit to the dust ex‐
traction system.
The fuse for the unit is defective.
▶ Change the fuse for the unit
and check if the unit is defec‐
tive.
The fuse for the dust extraction
system is defective.
▶ Exchange the fuse.
▶ Check if the mains voltage and
frequency match the rating
plate.
▶ Check if the voltage selection
switch is set to the national
voltage.
The dust extraction system does
not start.
The "Filter full" LED shines red.
The filter bag or ultrafine filter is
full.
▶ Change the filter bag or ultra‐
fine filter.
The filter bag or ultrafine filter is
full.
▶ Change the filter bag or ultra‐
fine filter.
See also: 7.2 Maintenance, Page
The suction hose or suction site is
dirty.
▶ Clean the suction hose or suc‐
tion hose site.
Instructions for use SMARTair/plus FLEXspace Typ 5230/5231
9 Troubleshooting
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