“I just got my Winix Air Filter. It's been on in my office only 3 hours. The Plasmawave light has been blue, but recently turned red. What does this mean? I did open a window for about 20 minutes, could that have affected it?”
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Hello Pat, that means that the air quality in the room has changed. The product is equipped with air quality sensors and indicators. Blue means good air quality, amber mean average air quality and red means poor air quality. Opening windows may bring in impurities and dust and cause the sensors to pick them up!
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