28 Cassette-Type Air Conditioner
Check the following points before requesting repairs or service.... If the fault persists, please contact
your dealer or service center.
Troubleshooting Tips! Save time and money!
The air conditioner does not
operate.
The room has a peculiar odor.
It seems that condensation is
leaking from the air
conditioner.
Air conditioner does not
operate for about 3 minutes
when restarted.
Does not cool or heat
effectively.
The air conditioner operation is
noisy.
Remote control display is faint,
or no display at all.
Crack sound is heard.
Filter sign lamp (LED) is ON.
• Have you made a mistake in timer operation?
• Has the fuse blown or has the circuit breaker
been tripped?
• Check that this is not a damp smell exuded by
the walls, carpet, furniture, or cloth items in the
room.
• Condensation occurs when the airflow from the
air conditioner cools the warm room air.
• This is the protector of the mechanism.
• Wait about three minutes and operation will
begin.
• Is the air filter dirty? See air filter cleaning
instructions.
• The room may have been very hot when the
room air conditioner was first turned on. Allow
time for it to cool down.
• Has the temperature been set incorrectly?
• Are the indoor unit's air inlet or outlet vents
obstructed?
• For a noise that sounds like water flowing.
-This is the sound of freon flowing inside the air
conditioner unit.
• For a noise that sounds like the compressed air
releasing into atmosphere.
-This is the sound of the dehumidifying water
being processed inside the air conditioning
unit.
• Are the batteries depleted?
• Are the batteries inserted in the opposite (+)
and (-) directions?
• This sound is generated by the
expansion/constriction of the front panel, etc.
due to changes of temperature.
• Cleaning the filter, press the Timer button and
button of wired remote controller at the same
time for 3 sec.
14
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26
16, 18
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Case
Explanation
See page
Maintenance and Service
