Sharp KC-930EU-W - Manual (Page 16)

E-14
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 fi lters if they appear to be heavily soiled.
(See E-13)
The Clean Sign illuminates
green even when the air is
impure.
The Clean Sign illuminates
orange or red even when the
air is clean.
A clicking or ticking sound is
heard from the unit.
The discharged air has an
odour.
The unit does not operate
when cigarette smoke is in
the air.
Filter Indicator Light is
illuminated.
The Clean Sign are turned
off.
The Humidify Mode Indicator
Light does not illuminate
when the tank is not empty.
Water level in the tank does
not decrease or decreases
slowly.
The Clean Sign lights change
colour frequently.
Flashing of the Fan Speed
Indicator Light ' '.
• 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 odour sensor openings are dirty or
clogged. Gently clean the dust sensors.
(See E-9)
• Clicking or ticking sounds may be audible when the unit is generating
Plasumacluster ions.
• Check to see if the fi lter are heavily soiled.
• Clean or replace the fi lter.
• Plasmacluster Air Purifiers emit small traces of ozone which may
produce an odour.
• Is the unit installed in a location that is diffi cult for the sensor to de-
tect cigarette smoke?
• Are the dust sensor openings blocked or clogged?
(In this case, clean the openings.) (See E-9)
• After replacing fi lters, connect the power cord to an outlet and press
the Filter Reset Button.
(See E-9)
• Check to see if the Lights OFF Mode selected. If so, then press the
Lights Control Button to activate the indicator lights.
(See E-8)
• Check Styrofoam fl oat for impurities. Clean the HumidifyingTray. En-
sure unit is located on a level surface.
• Check to see if the Humidifying Tray and Water Tank are correctly
installed. Check the Humidifying Filter.
• C l e a n o r r e p l a c e t h e f i l t e r w h e n i t i s h e a v i l y s o i l e d .
(See E-11, E-12, E-13)
• The Clean Sign lights automatically change colours as impurities are
detected by the dust sensor and odour sensor.
• Abnormal fan motor • Turn power OFF to cancel the error
display, wait one minute, and then turn
power ON.
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