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Issue
Possible Causes
The indoor unit
A rushing air sound may occur when the louver resets its
makes noises
position.
Low hissing sound during operation: This is normal and is
caused by refrigerant gas flowing through both indoor and
outdoor units.
Both the indoor
Low hissing sound when the system starts, has just stopped
unit and outdoor
running, or is defrosting: This noise is normal and is caused by
unit make noises
the refrigerant gas stopping or changing direction.
Squeaking sound: Normal expansion and contraction of
plastic and metal parts caused by temperature changes during
operation can cause squeaking noises.
The outdoor unit
The unit will make different sounds based on its current
makes noises
operating mode.
Dust is emitted
The unit may accumulate dust during extended periods of
from either the
non-use, which will be emitted when the unit is turned on.
indoor or outdoor
This can be mitigated by covering the unit during long periods
unit
of inactivity.
The unit may absorb odors from the environment (such as
furniture, cooking, cigarettes, etc.) which will be emitted
The unit emits a
during operations.
bad odor
The unit's filters have become moldy and should be cleaned.
The fan of the
During operation, the fan speed is controlled to optimize
outdoor unit does
product operation.
not operate
Interference from cell phone towers and remote boosters may
Operation
cause the unit to malfunction.
is erratic,
In this case, try the following:
unpredictable,
or unit is
unresponsive
If problem persists, contact a local dealer or your nearest customer service
NOTE:
center. Provide them with a detailed description of the unit malfunction as
well as your model number.
Disconnect the power, then reconnect.
Press ON/OFF button on remote control to restart operation.
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