Sharp KC-830U operation manual Troubleshooting, E-18

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 filters if they appear to be heavily
	soiled.
	(See E-13,17)
The Clean Sign illuminates green	• The air could be impure at the time the unit was plugged
	in.
even when the air is impure.	Unplug the unit, wait one minute, and plug the unit in
	again.
The Clean Sign illuminates orange	• Sensor operation is affected if the odor sensor openings
	are dirty or clogged. Gently clean the sensor openings.
or red even when the air is clean.
	(See E-13)
A clicking or ticking sound is heard	• Clicking or ticking sounds may be audible when the unit
from the unit.	is generating Plasmacluster ions.
	• Check to see if the filters are heavily soiled.
The discharged air has an odor.	• Clean or replace the filter.
	• Plasmacluster Air Purifiers 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	• Is the unit installed in a location that is difficult for the
	sensor to detect cigarette smoke?
cigarette smoke is in the air.	• Are the sensor openings blocked or clogged?
	(In this case, clean the openings.) (See E-13)
	• After cleaning or replacing the filters, connect the power
Filter Indicator Light is illuminated.	cord to an outlet and press the Filter Reset Button for 3
	seconds.
	(See E-13)
The Humidify Mode Indicator Light	• Check Styrofoam float for impurities. Clean the Humidi-
does not illuminate when the tank	fying Tray. Ensure unit is located on a level surface.
	Check to see if the Humidifying Tray and Water Tank
is not empty.
	are correctly installed.
Water level in the tank does not	• Check to see if the Humidifying Tray and Water Tank are
	correctly installed. Check the Humidifying filter.
decrease or decreases slowly.	• Clean or replace the filter when it is heavily soiled.
	(See E-15, E-16, E-17)
The Clean Sign lights change	• The Clean Sign lights automatically change colors as
colour frequently.	impurities are detected by the sensor.
Flashing of the Fan Speed Indicator	• Abnormal fan motor.	• Turn power OFF to cancel the
		error display, wait one minute,
Light 'LOW'.
		and then turn power ON.

E-18