S2 / S3
09/2017
15
C343
GB
Troubleshooting
Problem
Cause
Remedy
The vacuum cleaner does not start
Lack of power supply
Check for power at the socket.
Check the condition of the socket and the cable.
Ask for assistance to be performed by a
qualified manufacturer’s technician.
The vacuum cleaner revolutions
increase
Clogged primary filter
Use the filter shaker (models with manual filter
shaker). Replace it if this is not sufficient.
Clogged vacuum hose
Check the vacuum hose and clean it.
Dust leaks from the vacuum
cleaner
The filter is torn
Replace it with another of identical type.
Inadequate filter
Replace it with another of a suitable category
and check.
Noisy motors
Motor brushes (carbon) worn or
broken
Remove and replace the (carbon) motor
brushes.
Electrostatic current on the
vacuum cleaner
Non existent or inefficient grounding
Check all ground connections. In particular on
the vacuum inlet fitting; replace the hose with
an antistatic hose.
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