Troubleshooting
The following situations have logical explanations.
Before requesting servicing, make the following checks.
If this happens Check How to resolve
Does not operate.
The dust and odor sensor lamps are fl ashing?
Set the unit on a fl at fl oor and press the ON/OFF
button.
Is the humidifying tray out of place?
(The water supply lamp is fl ashing.)
Set the humidifying tray properly.
Is the front panel or UNIT1 improperly set? Securely set it.
Page 18.
Are the projections on the backside of the front panel
damaged?
Check the projections.
Page 27.
The airfl ow rate “high”,
“standard”, “low” and
“quiet” lamps all fl ash
at the same time.
The unit does not blow
air.
Is there any foreign matter in the air outlet?
Unplug the power supply cord, remove the
obstruction, plug the power supply cord back in and
start the unit. If the situation at left still persists or if
the obstruction cannot be moved, contact the service
shop.
Both the dust and odor
sensor lamps are fl ashing
a red color.
Is the unit leaned in excess or toppled?
Set the unit on a fl at fl oor and press the ON/OFF
button.
Air is not cleaned.
Is the unit located where air does not reach the entire
room or is something obstructing the air fl ow?
Select an unobstructed location from where air can
reach the entire room.
Has a lot of dust accumulated on the pre-fi lter and/or
pleated fi lter?
Clean the pre-fi lter and/or pleated fi lter.
Page 29-31.
Is the room overly smelly or smoky?
Odors should clear as the unit continues running.
The TV picture is
distorted.
Is a television or radio installed within 2m of this •
unit or is an indoor antenna being used close to
this unit?
Is the power supply cord or antenna of the television •
or radio close to this unit?
Move the unit as far away from TVs, radios and
antennas as possible.
Page 6.
If this happens Check
The current humidity remains high.
Humidity in rooms facing north or rooms near plumbing fi xtures such as bathrooms is normally
high because moisture readily accumulates.
The readings of the room hygrometer and
unit’s humidity indicator lamp differ.
This is because air currents cause temperature and humidity drifts even in the same room.
Consider the humidity indicator lamp as just a reference reading.
A catching sound is heard during operation.
A catching sound is made when humidifying operation starts and stops.
The sound of water is heard during operation.
The sound of water may be heard as water is supplied from the water tank to the humidifying
tray.
A splashing sound is heard during operation.
This is the sound of water from the waterwheel splashing on the humidifying fi lter.
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