Before asking for servicing or repairs, check the following points.
These are not defects.
The FILTER indicator turns on.
•This indicator turns on after PAP operation has been performed for approximately 1000 hours.
•The indicator may turn on if the front panel is not firmly closed.
•The indicator may turn on if the dust collecting unit is not securely attached.
Sounds made from the indoor unit
•The dust collecting unit may make a humming, clicking, or buzzing sound when it is dirty.
•When the power is turned on or the air conditioner is stopped, the vertical air louvers may make a rattling sound or shuttling sound.
•Some parts may expand or shrink due to temperature fluctuations, and this can result in a slapping sound.
•When the refrigerant is flowing, a hissing sound or gurgling sound can result.
•A buzzing sound is sometimes made from the air ionizer.
•A hissing sound can be made when the air conditioner is switched to defrosting operation during heating operation.
Sounds made from the outdoor unit
•A rustling sound can be made when the air conditioner is switched to defrosting operation during heating operation.
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