Troubleshooting - Sharp KC-850U Operation Manual

TROUBLESHOOTING

Before calling for service, please review the Troubleshooting chart below, since the problem may not
be a unit malfunction.
SYMPTOM
Odors and smoke are not removed.
The Front Monitor illuminates green
even when the air is impure.
The Front Monitor illuminates or-
ange or red even when the air is
clean.
A clicking or ticking sound is heard
from the unit.
The discharged air has an odor.
The unit does not operate when
cigarette smoke is in the air.
Filter Indicator Light is illminated.
The Front Monitor are turned off.
The Water Supply Indicator Light
does not illuminate when the tank
is empty.
Water level in the tank does not
decrease or decreases slowly.
The Front Monitor lights change
color frequently.
REMEDY(not a malfunction)
• Clean or replace the filters if they appear to be heavily
soiled. (See E-15,E-16,E-18)
• 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.
• Sensor operation is affected if the dust sensor openings
are dirty or clogged. Gently clean the dust sensors (See
E-15).
• Clicking or ticking sounds may be audible when the unit
is generating ions.
• Check to see if the filters are heavily soiled.
• Clean or replace the filters.
• Plasmacluster Air Purifiers may produce a slight odor.
This is normal and is a result of the Plasmacluster Ions
refreshing 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)
• After cleaning or replacing filters, connect the power
cord to an outlet and press the Filter Reset Button. (See
E-15)
• 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)
• Check Styrofoam float for impurities. Clean the Humidify-
ing Tray. Ensure unit is located on a level surface.
• Check to see if the Humidifying Tray and Water Tank are
correctly installed. Check the Humidifying filter.
• Clean or replace the filter when it is heavily soiled
(See E-18 and E-19).Check to see if Clean Air & Hu-
midify mode has been selected.
• The Dust Monitor lights automatically change colors as
impurities are detected by the dust sensor.
E-20