User`s guide

13
Troubleshooting
Before calling for repair, please review the list below. The problem may not be due to unit malfunction.
Symptom Solution
Unit does not operate.
Check if power plug is loose.
Press the main unit control button or any buttons on the remote
The remote control does
not work.
Check if the battery has been depleted. (Refer to P.5)
Check if the battery is inserted correctly. (Refer to P.5)
Point the remote control directly towards the main unit display.
Fluorescent lighting flickering in the room may affect the signal of the remote control. Please service the
fluorescent lights.
Odors and smoke are not
removed.
Clean the filters if they appear to be heavily soiled. (Refer to P.9)
Check if all the plastic bags that wrap the filters are being removed. (Refer to P.5)
The unit does not operate
when cigarette smoke is
in the air or when the air is
highly polluted.
Check if the unit is installed in a location that is difficult for the sensors to detect the smoke or the air quality.
Check if the odor or dust sensor openings are blocked or clogged. Clean the sensors (Refer to P.9)
The unit may not work properly in auto mode because the baseline or reference point is too high. To reset
the air quality baseline, unplug the unit and re-insert it in a well-ventilated area.
In auto mode, the unit
operates at high speed
even when the air is
clean.
The sensitivity of the sensor becomes unstable when the sensor opening is blocked or clogged. Clean the
sensors (Refer to P.9).
Reset the air quality baseline, unplug the unit and re-insert it.
The filter replacement
indicator light remains
activated even after
replacing filter.
After replacing filters, connect the power cord to an outlet and press the filter reset button on the main unit.
With the power on, press and hold the filter reset button for 3-5 seconds, or until the "red" filter cleaning or
replacement indicator clears itself (Refer to P.10).
The negative ion mode
indicator light is flashing.
Clean the negative ion generator inside the discharge outlet with a vacuum cleaner.