Andatech
            Knowledge Base Andatech Support Portal Air Purifiers Ionmax ION390 Air Purifier

            API Sensor light is always red on ION390

            Cause #1:
            Plastic bags in filters have not been removed.

            Solution #1:
            Remove plastic bags from filters.

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            Cause #2:
            Too much ventilation in the current room.
            Current room has high amount of pollutants. 

            Solution #2: 
            Change rooms and see if there is any difference in the API sensor.

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            Cause #3:
            There's dust/dirt behind the hatch where the dust sensor is (see images below for reference)

            Solution #3:
            Open the hatch and blow on it or remove/clean the dirt on the hatch.
            Please use a dry and clean soft cloth, cotton pad or cotton bud.
            Do not use wet, damp or harsh chemicals, or any rough brushes or sponges as these can damage the sensor.

            The light will turn blue again once it is cleaned.

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            If you have tried all of the above and the problem persists, please contact us to arrange a return and inspection. 


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            ION390 dust sensor location: 






            Updated: 05 Dec 2018 06:21 PM
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