Why does my air conditioner smell like must or sewer?

Why does my air conditioner smell like must or sewer?

 Symptom

             My air conditioner smells like a sewer or smell musty.

 Cause

            1. Accumulated dust on the cooling fins may cause musty smell during use.

            2. Check if the drain hose is connected to the sewer or installed near it.

                The odor may travel up the hose to indoors through the indoor unit.

            3. Check if the air filter is free of dust.

 Cause 1

             Accumulated  dust on the cooling fins  may cause musty smell during use.

  Checkpoint  

              Make sure the cooling fins inside the air conditioner filter are free of dust. Check if the drain pipe is installed near the sewer. 

 How to fix 

             1. Remove the inner air filter. Apply the cleaning spray and wait for 10 minutes.
             2. Set the temperature at 18℃ and let the air conditioner to run for an hour.
               ※ Do not spray on circuit boards.

 Cause 2

             Check if the drain hose is connected to the sewer or installed near it.

             The odor may travel up the hose to indoors through the indoor unit.

 Checkpoint

             Make sure the drain hose is not installed near the sewer.

 How to fix

             Relocate the drain hose away from the sewer.

 Cause 3

             Check if the air filter is free of dust.

 How to clean the air filter

            1. Lift up the front cover to find the filter.

            2. Take out the filter. Wash and dry completely in shade before placing it back.

               ※ Please clean the filters every two weeks to maintain the product performance.

        ▶  How to clean the air filter in the wall-mounted air conditioner

             ＊Applied Models: SNC062AA**, SNC082AA**, SNC102AA**, SJC062AA**

                  1. Pull the front panel forward with both hands.

                  2. Press the hook to fix the front panel.

                   3. Remove the air filter.

                   4. Give the filter a good clean with a vacuum cleaner or soft brush (Washing with water helps to remove heavy soils).

                   5. Dry completely in shade. Place back the filter in and close the front panel.

                                 ※ Assemble in the back order.

      ▶ How to clean the TVF(Total Virus Filter) and the triple filter in the wall-mounted AC

                1. Pull the front panel forward with both hands.

                2. Press the hook to fix the front panel.

                3. Remove the air filter.

                4. Remove the TVF (total virus filter) and  the triple filter.

                5.Give the filter a good clean with a vacuum cleaner or soft brush.

                          ※ Assemble in the back order.

      ▶  How to clean the art cool air conditioner 

                ＊Applicable models: SNC062LASV, SNC082LASV

                  1. Press the release button to open the front panel.

                  2. Grasp the bottom of the panel  and push the open switch to the right to open the front panel.

                  3. Remove the air filter by pulling it down.

                  4. Give the filter a good clean with a vacuum cleaner or soft brush (Washing with water helps to remove heavy soils).

                  5. Dry completely in shade. Place back the filter in and close the front panel.

      ▶  How to clean TVF(total virus filter) and the triple filter in the art cool air conditioner  

                   1. Press the release button to open the front panel.

                   2. Grasp the bottom of the panel  and push the open switch to the right to open the front panel.

                   3. Remove the air filter by pulling it down.

                   4. Remove the TVF filter and triple filter.

                   5. Give the filter a good clean with a vacuum cleaner or soft brush.

                         ※ Assemble in the back order.