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TROUBLESHOOTING
Troubleshooting
• Troubleshooting measures are classified into the following two types on a remedial basis.
Take an appropriate measure according to the symptom.
Not trouble
• These cases are not troubles.
You may just continue using it.
Check
• Please check again before calling a repair person.
The flap does not start swing
immediately.
• The unit is adjusting the flap position. The
flap will start moving soon.
A sound is heard.
■ A sound like a flow of water
• This sound is generated because the water
in the unit is flowing.
• This is a pumping sound of the water in the
unit and heard when the water is pumped out
from the unit in COOL operation.
• The water flows in the unit even if the unit is
not working when the indoor units in other
rooms are in operation.
■ Pinging sound
• This sound is generated when the size of the
unit slightly expands or shrinks as a result of
temperature changes.
The unit does not operate.
(OPERATION lamp is off.)
• Hasn’t a breaker turned off or a fuse blown?
• Isn’t it a power failure?
• Are batteries set in the remote controller?
• Is the timer setting correct?
Operation stopped suddenly.
(OPERATION lamp flashes.)
• Are the air filter clean?
• If the hydro box and indoor unit are not set to
the same operation mode, the indoor unit will
stop.
01_EN_3P257979-1A.fm Page 30 Tuesday, March 3, 2015 3:09 PM
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