Question about Hoover U6455-900 WindTunnel Vacuum

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Red light stays on and never goes back to green....

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This is a common problem with this model. There is a microphone in the rear duct that is not firmly seated. Usually this can be cured by removing the duct at the rear of the vacuum, that the hose attaches to, and using a small screwdriver to push around the outer edges of the small round microphone button. It may not look as if anything is happening, but this will usually cure the problem. I like to put a small piece of sponge or rubber against the mike to hold it more firmly in place prior to re-assembly.

Posted on Mar 12, 2011

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Posted on Jan 02, 2017

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not to worry, your feature is working properly, your vacuum is working fine too.

Imagine if you will making a circle with your pointer finger and your thumb. Now put a string or thread across in a straight line there. The string would be the size of the beam of light that the sensor uses. Your finger and thumb are about the size of the tube that the dirt and dust is passing by. Unless the dirt passes and cuts through the beam of light, then it will register. otherwise if it passes around the beam of light, the sensor thinks your carpet is clean.

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