The following symptoms does not indicate a malfunction
SymptomCause
Unit does not operate immediatelyY Once the air conditioner is stopped, it will not be operated for approximately 3
when the air conditioner is restarted.minutes. This is to protect the unit.
Sound of running water can be heardY This is caused by the refrigerant flowing inside the unit.
during operation.
Creaking noise can be heard whenY This is caused by the panel expanding or contracting due to the changes in
start or stop the operation.temperature.
The room has a peculiar odourY This may be a dump smell emitted by the walls, carpet, furniture or clothing in
during operation.the room.
Mist is emitted during coolingY The cold airflow causes the oil vapour etc. to condense.
operation (at places where large
quantities of oil is used.)
Dew formed near the outlet ventsY The cold airflow causes the moisture in the air to condense.
during cooling.
The unit switches to FAN operationY This happens when the room temperature reaches the set temperature,
and the air become humid.operation switches to FAN mode and the humidity increases.
The air being blown out is cool.Y This is because cooling operation is running in a low fan speed. If operating the
indoor unit for a long period of time, use dry operation to lower the humidity.
The air conditioner startsY This is a normal operation as there is a auto restart operation function. The
automatically when the poweroperation will resume based on the previous settings.
resumed after a power failure.
During heating operation (Heat Pump type only)
Airflow does not start immediatelyY The unit is warming up to provide warm air.
after operation is started.Wait until the unit is warmed up.
(OPRE HEAT� appears in the remote
control display.)
Operation stops occasionally.Y The system is defrosting because frost has formed in the outdoor unit.
(ODEFROST� appears in the remoteThis process can take up to 12 minutes to complete. Please wait for a while.
control display.)
Operation does not stop immediatelyY This is because the unit is discharging heat.
after you pressed the OFF/ONOperation will stop automatically after approximately 60 seconds.
button.
Changes in fan speed.Y When the room warms up and the temperature reaches the remote control set
temperature, the fan speed will switch to LOW and STOP automatically.
When the room temperature drops again, the fan speed will return to the remote
control settings.
Outdoor unit (Heat Pump type only)
During heating, some noise may beY This is due to the changes in flow of refrigerant gas when operation stops and
heard.starts.
During heating, steam is emittedY Due to the frosted heat exchanger, the defrost operation will begin.
occasionally.
� 19 � |
ACEC
PANASONIC
