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DIRT SENSOR
SOME MODELS
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
cleaner.
OPERATION
As you vacuum, the red indicatorlight 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 rnost of the
cle._ning is complete
The sensor switch allows you to select tire
sensitivity of the dirt sensor. The switch can
be set to HI (+) or LO (-) sensitivity.
Set the sensor switch to the HI (+) position
whon:
•Cleaning bare floors.
•Cleaning carpet with low pile height.
Set the sensor switch to the LO (-) position
when:
•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 lightto remain on longer than
expected.
;ensor _ _
Sensitivity
Switch
WARNING
Electrical Shock And Personal Injury
Hazard
Disconnect electrical supply before
servicing or cleaning the unit.
Failure to do so could result in elec-
trical shock or personal injury from
cleaner suddenly starting.
TO CLEAN DIRT SENSOR OPTICS
The dirt sensor optics consist of two optic
cells located inside the dust bin port.
Occasionally, it may become necessary to
clean the two optic cells to assure maximum
performance. It is recommended the optic
cells be cleaned:
•When the red light stays on
continuously.
•When the green light stays on
continuously.
°When dirt or dustadheres tothe
optic ceils,
•Whenever the dustbin is cleaned.
To clean the sensor, wipe the optic cells with
a soil, 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
dirtsensor area can be reached by
removing the dust bin.
_Jf
Optic
Cells_
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