Samsung AR09AXKAAWKNEU, Service Manual, Page: 78 / 85

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Cleaning the sensors
If dust or foreign substances develop on a sensor, it
may detect high dust concentration. Use a vacuum
cleaner to clean the sensor and its surrounding area.
CAUTION
• Do not put any dust into the sensor openings.
• Open the indoor unit cover, fix the support, and wipe
the sensors with a cotton swab.
Cleaning the filter
Clean the air filter every two weeks or when the (filter-cleaning reminder) appears on the indoor
unit display. The time between cleanings may vary, depending on the usage and environmental
conditions.
Stopper
Soft brush
30 minutes
Mild detergent
Vacuum cleaner
1
Slide the filter off of the unit.
2
Use a soft brush or vacuum cleaner to remove any dust or debris on the filter.
3
Soak the filter in a solution of water and mild detergent for 30 minutes.
4
Rinse the filter and let it air dry in a well-ventilated area that is out of direct sunlight.
5
Reinstall the filter.
6
Reset the filter-cleaning reminder:
In operation ▶ ▶ ▶ Select Filter Reset. ▶
CAUTION
• Take care not to damage the filter during cleaning.
• Do not scrub the air filter with a hard-bristle brush or another cleaning utensil.
• Do not expose the air filter to direct sunlight when drying it.