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No light comes on my new filter. not red or green

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Red filter light does not change to green when filter is changed


Call the manufacture and tell them it is defective and to please replace it.

Apr 02, 2014 | Holmes Products Air Purifiers

1 Answer

My Alpine Air XL-15 Air Purifier youst to have a


The Classic XL-15 should have 2 individual indicator lights. The 'red' light is the ionizer indicator, and the 'green' light is the ozone level indicator. Both lights should be illuminated, if the unit is operating properly. The red light should be pulsing, and the green light should be dimly lit, and brightened as the output knob is turned up - indicating a higher ozone production. If the green light is not lit, you likely won't smell the ozone. The first thing you should try, is cleaning the filter and glass ozone plate. Unplug the unit and remove the rear air filter. Clean the filter with clean water and allow to COMPLETELY air dry. Removed the glass plate by depressing the lever behind the glass plate, and gently pulling it out. Clean the glass with a half water, half ammonia (or distilled white vinegar, if ammonia not available) and an old toothbrush to clean between the mesh. Dry plate with a hair dryer and re-place plate into unit. Replace dried air filter, making sure the little tab on the bottom is secured into the interlock. Power the unit on and you should see the indicator lights and smell the fresh ozone!

Nov 14, 2009 | Alpine Air XL-15 Air Purifier

1 Answer

Red led light on constantly


electronic circuit needs replacement

Feb 01, 2009 | PUR (FM-9500) Air Purifier

1 Answer

Hunter 730 carbon pre-filter replacement orange light


Filter lights on your Air Purifier http://www.fastbrowser.net/netpicker/Filter-lights-on-your-Airifie.htm One of the best things about your IQAir Air Purifier is that it has warning lights to tell you when to change the prefilter, gas or hepa filters. Of course how long they last depends on your pattern of usage. For the initial 80% of the filter life the control panel will display a green light next to the corresponding filter on the outline of the unit. When the orange light goes on it does not mean that the filter needs to be replaced immediately but that there is 20% of useful life left. IQAir gives you plenty of time and the machine will tell you how many hours you have left. Once the number of hours gets to within a few hours remaining the orange light will then change to red. It is at this time you should change the filter. If you forget to change it and there are no hours left the hours will go into the negative displaying how many hours you have gone over and the red light will change to a flashing red light.

Just in case you have lost the manual like one of our customers, this is how you reset the filter lights:
1. Press the menu button ( 7 times) until you get to where the display says new filter.
2. Press the enter button and hold it down for 3 seconds and a number 1 will be flashing after the words new filter on the display. This flashing number is so you can enter which filter you have changed. Filter number 1 is the pre-filter, filter number 2 is the V-5 gas filter, and filter number 3 is the Hepa filter.
3. You change the number for the filter by pressing the up arrow button.
4. Once you reach the correct filter number you press the enter button and the control panel will display a question mark after the words new filter on the display. Below this it will say, E = Yes M = Cancel. If you wish to cancel the entry so it does not reset a new filter life, simply press the Menu button.
5. If you want it to reset the filter life for the changed filter, simply press the Enter button. Once this is done, the filter light will change back to the green light, which will show the filter has been changed. If you go to the remaining filter life on the control panel for the filter number you just changed, you will now see the remaining life of the filter in hours has been reset.


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    4 Answers

    Red filter indicator light


    Hi Linda - there is a "reset" hole - you have to stick a pin or a paper clip in the hole when you change the HEPA filter - I just found this out myself! It does work. Mine didn't work right away, but it did end up resetting and went back to green after a few moments. I think this happened to me last time. The filters are really expensive, but you can get them at Walmart. If you need more information, email me at marixyz@aol.com and I'll tell you what model filter, etc.

    Nov 05, 2007 | GE HEPA 106653 Air Purifier

    2 Answers

    Will not start up??


    Same problem here. Opened it but everythng seemed intact. Red light flashes momentarily during initial plug in. Has power, oscillates but no fan rotation.

    Nov 05, 2007 | Bionaire BAP1500-U Air Purifier

    3 Answers

    Red light on air filter


    After spending hours searching for this supposed little hole easy to miss, I called customer service. I found out that it's easy to miss because it doesn't exist!

    Here's the correct answer: Once you've replaced the filters, turn the unit back on. Then, with the machine running, press and hold down the on/off power button for about two seconds. The red light will flash and then turn off.

    Oct 12, 2007 | Holmes Products HAP422-UC Air Purifier

    2 Answers

    Orange light help


    Did you find an answer to your orange light question? I have an AM4000 defender that I bought off Craigslist and thought I got a good deal on it. One minute after turning it on the red light came on. I tried to reset it but  the red light won't flash so you can't reset it. I don't know if it's a filter problem or a circuit board problem and I don't want to spend $100 bucks on filters to find out it's a different problem. If you buy filters on e-bay, they're cheaper but if you spend $100 from a distributor then you reactivate the warranty. I'm sorry I bought it.

    Sep 06, 2007 | Filter Queen Defender Air Purifier

    1 Answer

    Hepa filter


    The red light indicates a plugged filter. Replace the filters plug the machine in and get a paper clip. Streighten out the clip and put it through the tiny hole in the top. You'll feel it push a switch that will give a click you can feel. Keep holding the clip wire down for several seconds. When the red flashes remove the clip wire. The light will stay off if the filter is clean.

    Aug 22, 2007 | Holmes Products HAP422-UC Air Purifier

    1 Answer

    Red light won't stay off


    I do apologize for the inconvenience, the best way that i can tell you to fix the light is that there is a tiny pin hole on top of the unit. that's a reset button. you need a small needle or something that will fit in there. hold it down for about 3 seconds. your unit should reset. the light sometimes comes on with new filters cause it hasn't recognized that they are new yet. if that reset doens't work please let me know

    Aug 17, 2007 | Bionaire BAP825-U Air Purifier

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