Questions & Answers for: filter queen air purifier problems

...Filter Queen Defender Red light on front of Defender Air Purifier. There's a red light on the front of my Filter Queen Defender. I've changed the filters, but it's still on. Is there a reset, or am I ...

...We have had this unit for about three years and only put about ten hours on it. I replaced the filter before I plugged it in at my new home and now I get the red light after five minutes. Here

Air purifier model RAC-4000a. When I hit the up and down buttons at the same time in an attempt to get the red filter light to flash (which it doesn't do), I get an orange light (looks like a sunburst

Filter Queen Defender red light will not blink I tried to reset the defender afte taking out the filters but the red light stays on and will not blink. Is this a circuit board problem or something? no

...unit to start running at low speed. 4. PRESS and HOLD both the UP and DOWN arrow buttons until the FILTER REPLACEMENT INDICATOR starts to blink. 5. Release both the UP and DOWN arrow buttons. 6. ...