Operation; To Clean Dirt Sensor Optics - Kenmore 116.33912 Owner's Manual

DIRT SENSOR
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 Dirt
indicates dirt is Sensor
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 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 (+) 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.
Sensor
Sensitivity j___-- _
Electrical Shock And Personal Injury
Hazard
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.
TO CLEAN DIRT SENSOR OPTICS
The dirt sensor optics consist of two optic
cells located inside the valve assembly.
Occasionally, it may become necessary to
clean the two optic cells to assure
maximum performance. Clean optic cells:
• 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 cup is cleaned.
l \ Ext\ken_sion
OeepC,ooo'ng l
I Valve
/,Assembly
• _Here
To clean the sensor, remove deep cleaning
nozzle hose at valve assembly by lifting
hose straight up. Remove extension hose
from the valve assembly by grasping hose
collar, twisting, and pulling straight off.
Lay cleaner back by pressing the handle
release pedal. (see Releasing the Handle
page 8).
With the hoses
removed you can
insert a cloth into Valve
) Opening
the valve opening.
"_ Valve
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.
Return cleaner to the upright position. Re-
attach nozzle hose and extension hose.
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