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E-20
TROUBLESHOOTING
Before calling for service, please review the Troubleshooting chart below, since the problem may not
be a unit malfunction.
SYMPTOM REMEDY(not a malfunction)
Odors and smoke are not removed.
• Clean or replace the lters if they appear to be heavily
soiled. (See E-15,E-16,E-18)
The Front Monitor illuminates green
even when the air is impure.
• The air could be impure at the time the unit was plugged
in.
Unplug the unit, wait one minute, and plug the unit in
again.
The Front Monitor illuminates or-
ange or red even when the air is
clean.
• Sensor operation is affected if the dust sensor openings
are dirty or clogged. Gently clean the dust sensors (See
E-15).
A clicking or ticking sound is heard
from the unit.
• Clicking or ticking sounds may be audible when the unit
is generating ions.
The discharged air has an odor.
• Check to see if the lters are heavily soiled.
• Clean or replace the lters.
• Plasmacluster Air Puriers may produce a slight odor.
This is normal and is a result of the Plasmacluster Ions
refreshing the air.
The unit does not operate when
cigarette smoke is in the air.
• Is the unit installed in a location that is difficult for the
sensor to detect cigarette smoke?
• Are the dust sensor openings blocked or clogged?
(In this case, clean the openings.) (See E-15)
Filter Indicator Light is illminated.
• After cleaning or replacing filters, connect the power
cord to an outlet and press the Filter Reset Button. (See
E-15)
The Front Monitor are turned off.
• Check to see if the Lights OFF Mode selected. If so, then
press the Lights Control Button to activate the indicator
lights. (See E-14)
The Water Supply Indicator Light
does not illuminate when the tank
is empty.
• Check Styrofoam oat for impurities. Clean the Humidify-
ing Tray. Ensure unit is located on a level surface.
Water level in the tank does not
decrease or decreases slowly.
• Check to see if the Humidifying Tray and Water Tank are
correctly installed. Check the Humidifying lter.
• Clean or replace the lter when it is heavily soiled
(See E-18 and E-19).Check to see if Clean Air & Hu-
midify mode has been selected.
The Front Monitor lights change
color frequently.
• The Dust Monitor lights automatically change colors as
impurities are detected by the dust sensor.
KC-850U_Eng.indd 20 10.4.14 10:35:13 AM