C352
12
11/2010
S2B/S3B
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 quali! ed
manufacturer’s technician.
The vacuum cleaner revolutions
increase
Clogged primary ! lter
Use the ! lter shaker (models with manual ! lter
shaker). Replace it if this is not suf! cient.
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 current on the vacuum
cleaner
Non existent or inef! cient grounding
Check all ground connections. In particular on the
vacuum inlet ! tting; replace the hose with an antistatic
hose.