MHI · Air Conditioning
Air blown out during operation has a slight smell. This is usually caused by tobacco or cosmetics adhering to the unit's filters or internal components, which are then recirculated with the air.
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Clean or replace the air filters in the indoor unit regularly, as per the maintenance schedule.
Perform the SELF CLEAN operation (if available) to clean the indoor coil.
Ensure the room is well-ventilated, especially if there are sources of strong odors.
Consider using a professional air conditioner cleaning service for a deeper internal clean.
If the smell is persistent, strong, or chemical, contact your dealer for inspection.