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Before asking for servicing or repairs, check the following points.
These
a
re
not defects.
Condensation forms on the back of the indoor unit.
• Condensation on the back of the indoor unit is automatically collected and drained out.
Indoor unit or outdoor unit makes a strange noise.
• When the temperature changes sharply, the indoor or outdoor unit may make a strange
noise (such as a tit-tack noise or flowing noise) because of the expansion/contraction of
parts or change in refrigerant flow.
The room air is smelly.
A bad odor comes from the air conditioner.
• Smells absorbed in the wall, carpet, furniture, clothing, or furs are coming out.
• During PURE operation, a small amount of ozone is produced, and you might notice the
smell.
The OPERATION indicator turns on and off.
• The indicator turns on and off (1 Hz) when power is restored after a power failure or when
the power main switch is set to on. Reset the circuit breaker to ON.
Frost forms on the outdoor unit during heating operation. (heat pump models)
Water is drained from the outdoor unit.
• Frost sometimes forms on the outdoor unit during heating operation. In that case, the unit
automatically performs defrosting (for 2 to 10 minutes) for improving the heating efficiency.
• In the defrosting operation, the airflow from both the indoor and outdoor units stops.
• A hiss sound is heard when the flow of the refrigerant is changed for defrosting.
• The water resulting from automatic defrosting during the heating operation is drained from
the outdoor unit.
The air flow changes even though the FAN button is not set to the AUTO mode.
• When the temperature of the blown air goes down during heating operation, the air
conditioner automatically changes or stops the air flow from the indoor unit so that the
people in the room do not feel chilly.
A white mist of chilled air or water is generated from the outdoor unit.
• Steam is sometimes generated from the indoor unit during cooling operation or the
outdoor unit during defrosting operation.
Automatic operation of vertical air flow louvers (heat pump models)
• When the room temperature or outdoor temperature is high during the heating operation,
the vertical air flow louvers close once and then set themselves automatically to the
original position setting again.
