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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 onand stay on as longas 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 (+) position
when:
• 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 light to remain on longer than
expected.
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ElectricalShock And Personal Injury
Hazard
Disconnecteloctdcai supplybefore
servicingor cleaningthe unit. Failure
to do so could result in eloctdcalshock
or personalInjuryfrom cleaner sud-
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TO CLEAN DIRT SENSOR OPTICS
The dirt sensor optics consist of two optic
cells located inside the dust bin port.
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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 dust adheres to the
optic cells.
• Whenever the dust bin is cleaned.
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 bin.
Opec
13
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