C344
14
03/2010
S2 / S3
US
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 qualied
manufacturer’s technician.
The vacuum cleaner motors increase
in rpm
Clogged primary lter Use the lter shaker (models with manual lter
shaker). Replace it if this is not sufcient.
Clogged vacuum hose Check the vacuum hose and clean it.
Dust leaks from the vacuum cleaner The lter is torn Replace it with another of identical type.
Inadequate lter 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 shock coming from the
vacuum cleaner
Non existent or insufcient grounding Check all ground connections. In particular on
the vacuum inlet tting; replace the hose with an
antistatic hose.
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