Sharp KC-930E operation manual Troubleshooting, Symptom

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 filters if they appear to be heavily soiled. (See E-9,E-14)

The Clean Sign 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 Clean Sign illuminates orange or red even when the air is clean.

•Sensor operation is affected if the odour sensor openings are dirty or clogged. Gently clean the dust sensors.

(See E-9)

A clicking or ticking sound is heard from the unit.

•Clicking or ticking sounds may be audible when the unit is generating Plasumacluster ions.

The discharged air has an odour.

•Check to see if the filter are heavily soiled.

•Clean or replace the filter.

•Plasmacluster Air Purifiers 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 difficult 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)

Filter Indicator Light is	• After replacing filters, connect the power cord to an outlet and press
illuminated.	the Filter Reset Button.
	(See E-9)

The Clean Sign 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 Humidify Mode Indicator Light does not illuminate when the tank is not empty.

•Check Styrofoam float for impurities. Clean the HumidifyingTray. En- sure 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 Filter.

•Clean or replace the filter when it is heavily soiled. (See E-11, E-12, E-13)

The Clean Sign lights change colour frequently.

•The Clean Sign lights automatically change colours as impurities are detected by the dust sensor and odour sensor.

Flashing of the Fan Speed	• Abnormal fan motor
Indicator Light ' '.

•Turn power OFF to cancel the error display, wait one minute, and then turn power ON.

E-14