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Maintenance
Failure checking
The following situations are not troubles
symptom
Water flowing sound
is heard.
Cracking sound is heard.
It smells
During operation,
water fog comes
out of indoor unit.
It is switched into blowing mode
during cooling.
The air conditioner may not be
restarted soon after it stops.
doesn' t st art
Water or steam generates from the
outdoor unit during heating.
Influenced by the air temperature,
the fan stops running. It is normal.
When air conditioner starts, or when the compressor starts or stops
during operation, or when the air conditioner is stopped, it
sometimes sounds gobo gobo . It is the normal sound of the
refrigerant.
This is caused by heat expansion or contraction of plastics.
Air which blows out from the indoor unit sometimes smells. This
smell results from residents of tobacco smoke, furniture, and
cosmetics stuck inside of the unit.
When the air conditioner is used, streams of water fog may be seen.
The water fog is condensed by cooling air.
To prevent frost from being accumulated on the indoor unit heat
exchanger. It is sometimes automatically switched into the blowing
mode but it will soon return to the cooling mode.
Even if the operation switch is turned on,
cooling, dehumidifying or heating does not
work for three minutes after the air conditioner
uni t
is stopped. It is used to protect the electric
circuit. (During the time air conditioner operates
in fan mode.)
It occurs when frost accumulated on the outdoor unit is removed
(during defrosting operation).
The minimum operating time is set in order to protect the compressor.
In normal situation, the minimum operating time is nearly 10
minutes.
Reason
15
please wait
three minutes
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