The electronic dirt sensor is a feature
which will detect particles as they pass
through the vacuum cleaner.
The dirt sensor indicators and sensor
sensitivity switch are located on the front
of the switch cover.
A red light indicates dirt is being picked up
by the cleaner. A green light indicates
most of the dirt has been picked up by the
As you vacuum, the red indicator light will
come on and stay on as long as the
sensor detects a high concentration of
particles passing through the cleaner.
The green light indicates that most of the
cleaning is complete.
The sensor switch allows you to select the
sensitivity of the dirt sensor. The switch
can be set to HI (+) or LO (-) sensitivity.
Set the sensor switch to the HI (+)
,Cleaning bare floors_
=Cleaning carpet with low pile height.
Set the sensor switch to the LO (-)
,Cleaning heavily soiled areas.
,Cleaning carpet with deep pile.
,Cleaning new carpets.
Even with the sensor switch in the LO (-)
position, the dirt sensor will detect carpet
fuzz, especially on new carpet, which may
cause the red light to remain on longer
Electrical Shock And Personal
Disconnect electrical supply before
servicing or cleaning the unit.
Failure to do so could result in
electrical shock or personal Injury
,from ,cleaner suddenly starting.
The dirt sensor optics consist of two optic
cells located inside the bag holder.
Occasionally, it may become necessary to
clean the two optic cells to assure
recommended the optic cells be cleaned:
•When the red light stays on
•When the green light stays on
•When dirt or dust adheres to the
•Whenever the dust bag is changed.
To clean the sensor, wipe the optic cells
with a soft, dry cloth_ Never use cleaners
or liquids as they can help speed the
recoating of the optic cells and make it
necessary to clean them much sooner
than normal° The dirt sensor area can be
reached by removing the dust cover and
the dust bag.