11
5.2
Trouble-shooting guide
Trouble
Possible source
Resolution
The extractor 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 engine rpm increase
Clogged primary filter
Clean the filter. Replace it if
necessary
Clogged vacuum hose
Check the vacuum hose and
clean it
Dust leaks from the machine
The filter is torn
Replace it with another of identical
type
Inadequate filter
Replace it with another of suitable
type and check
Noisy suction motor
Worn or broken carbon
brushes
Remove and replace the motor
carbon brushes
Electrostatic current on the
extractor
Nonexistent or inefficient
grounding
Check all grounding, particularly
the union to the inlet; moreover,
the hose must be strictly antistatic
