Turn off the power to the unit.
Use dry cotton bud to remove any dust.
Turn off the power and unplug the power cord before you perform any maintenance; otherwise it may cause electric shock.
Never use water that is higher than 40 7 when you clean the filters. It may cause deformation or discoloration.
Never use volatile substances when you clean the filters. They may damage the surface of the product.
Do not wash the Micro dust filter with water, because the filter can be damaged.
The location and shape of the filters may differ, depending on the model.
Make sure to clean the heat exchanger coils of the outdoor unit regularly, as dirt collected in the coils may decrease the operational efficiency or increase energy costs.