33
Phone Calls From Customers
How To Respond
Note
1
Check the set temperature of remote controller.
The outdoor unit cannot be operated if the set
temperature is not appropriate.
The outdoor unit operates in the following modes.
COOL: When the set temperature is lower
than the room temperature.
HEAT: When the set temperature is higher
than the room temperature.
2
Check there is enough space around the air
conditioner.
If there are any obstacles in the air intake or air
outlet of indoor/outdoor units, they block the
airflow direction so that the unit capacity will be
lowered.
1
A gas escaping sound is heard
sometimes.
1
This is not a malfunction.
This is the sound which is heard when the flow of
refrigerant in the air conditioner is switched.
2
A cracking sound is heard
sometimes.
2
This is not a malfunction.
This is the sound which is heard when internal
parts of units expand or contract when the
temperature changes.
3
A buzzing sound is heard
sometimes.
3
This is not a malfunction.
This is the sound which is heard when the outdoor
unit starts operating.
4
A ticking sound is heard from
the outdoor unit sometimes.
4
This is not a malfunction.
This is the sound which is heard when the fan of
the outdoor unit is controlling the airflow amount
in order to keep the optimum operating condition.
5
A sound, similar to water
flowing, is heard from the unit.
5
This is not a malfunction.
This is the sound which is heard when the
refrigerant is flowing inside the indoor unit.
Sound
comes out
from the air
conditioner.
The room cannot be cooled or heated sufficiently.
This is not a malfunction.
This may occur when the operation gets started in
the room of high humidity.
A white mist is expelled from the indoor unit.
COOL: when pipes or piping joints are cooled, they
get sweated and water drips down.
HEAT: water drips down from the heat exchanger.
Note: Make use of optional parts “Drain Socket” and
“Drain pan” if these water needs to be collected
and drained out for once.
Water or moisture is expelled from the outdoor
unit.
Batteries are being exhausted. Replace them and
press the reset button of remote controller.
The display of wireless remote controller gets dim
or does not come on.
The indoor unit does not receive a signal from
remote controller at a long distance.
OCH583
