Sharp KC-840E Air Cleaner User Manual


 
E-16
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)
Odours and smoke are not
removed.
Clean or replace the lters if they appear to be heavily soiled.
(See E-11,E-12,E-14)
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
orange 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-11).
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
odour.
Check to see if the lters are heavily soiled.
Clean or replace the lters.
Plasmacluster Air Puriers emit small traces of ozone which
may produce an odour.
The unit does not operate
when cigarette smoke is in the
air.
Is the unit installed in a location that is difcult for the sensor
to detect cigarette smoke?
Are the dust sensor openings blocked or clogged?
(In this case, clean the openings.) (See E-11)
Filter Indicator Light is
illuminated.
After replacing lters, connect the power cord to an outlet and
press the Filter Reset Button. (See E-11)
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-10)
The Water Supply Indicator
Light does not illuminate when
the tank is empty.
Check Styrofoam oat for impurities. Clean the Humidifying-
Tray. Ensure unit is located on a level surface.
Water lever in the tank does
not decrease or decreases
slowly.
Check to see if the Humidifying Tray and Water Tank are cor-
rectly installed. Check the Humidifying Filter.
Clean or replace the filter when it is heavily soiled
(See E-14 and E-15).
The Front Monitor lights
change colour frequently.
The Front Monitor lights automatically change colours as im-
purities are detected by the dust sensor and odour sensor.
KC-840E_Eng2.indd 16 08.10.10 9:23:33 AM