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Question about Hoover U6634-900 WindTunnel Bagless Upright Vacuum

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Embedded Dirt Finder green light won't come back on - stays red

I've taken the bottom panel off and looked for blockages, following instructions in the manual, cleaned the brush roll, emptied the dirt cup and can't find anything. The vacuum still has suction and picks up dirt, but something starts to smell after a few minutes of vacuuming. I moved the sensitivity switch from Hi to Reg, and no change. The green light used to come on. I know my carpets didn't suddenly become filthy over night, honest. What can I try next? I

Posted by Robin Edwards on

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JoeVacs

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  • Hoover Expert
  • 445 Answers

The dirt sensor is a motion detector. After it gets dirty it will either stay red or stay green. You can have the vacuum serviced at your local vac shop and possibly get this fixed. Sometimes they are as good as new and sometimes they are not repairable. It will not effect anything else though.

Posted on Jun 12, 2017

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Anonymous

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SOURCE: embedded dirt finder light stuck

Try cleaning out all the pathways you can get to. Trapped particles can mess up this indicator. Particularly check the extra mesh filter that is under the bag (there's a plastic grid that snaps over it to hold it into place). Clean that out and make sure the bag is securely in place.

Posted on Dec 23, 2007

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Anonymous

  • 1673 Answers

SOURCE: dirt finder

The sensor may be bad, or it may be coated over with dirt. Re,ove the hose at the back of the vacuum, the head of the sensor is down inside that opening, reach in there and clean it off and see it that corrects the problem, if not replace the sensor.

Posted on Jan 06, 2008

Anonymous

  • 1673 Answers

SOURCE: Problem with embedded dirt finder

Take the hose off at the back of the vac, should just turn then pull oull, look down inside the tube that the hose was connected to, there is a sensor there and if it is coated over with dirt, then it can't work, Clean it off and the try it, if it still stays on, then you have a bad sensor, and if this is less then a year old, you have a one year warranty on this. Take it to a warranty shop and take proof of purchase with you.

Posted on Jan 15, 2008

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Hoover Windtunnel Anniversary Self Propelled U6485-900 Embedded dirt finder not working.

The sensor is dirty. The next time you change the bag, leave it off and the cover as well. Plug the sweeper in and turn it on for a few seconds. The lights should blink then run steady. This is the best way to blow out dust. It should be done outside.
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Embedded dirt finder light stuck

The Hoover uses a small microphone that is positioned in the plastic housing that the end of the hose fits into, just behind the bag compartment. What happens is that when dirt comes up the hose and hits the 90 degree corner, just before it enters the bag, the microphone picks up the sound and transmits that info to the electonics that controls the lights. Sometimes the microphone will stick and the red light will stay lit. If you take a screwdriver and give the microphone area a sharp tap with the handle of the screwdriver, this will often jar the microphone and it will begin working again. If not, it may need to be replaced. NOTE: this function does not affect the cleaning efficiency of the vacuum. Your vacuum will still work normally whether the dirt sensor is working or not. It is a totally unrelated function to the vacuum itself.
Dec 31, 2007 • Vacuums
3helpful
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Embedded dirt finder light stuck

Try cleaning out all the pathways you can get to. Trapped particles can mess up this indicator. Particularly check the extra mesh filter that is under the bag (there's a plastic grid that snaps over it to hold it into place). Clean that out and make sure the bag is securely in place.
0helpful
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Problem with embedded dirt finder

Take the hose off at the back of the vac, should just turn then pull oull, look down inside the tube that the hose was connected to, there is a sensor there and if it is coated over with dirt, then it can't work, Clean it off and the try it, if it still stays on, then you have a bad sensor, and if this is less then a year old, you have a one year warranty on this. Take it to a warranty shop and take proof of purchase with you.
3helpful
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Dirt finder

The sensor may be bad, or it may be coated over with dirt. Re,ove the hose at the back of the vacuum, the head of the sensor is down inside that opening, reach in there and clean it off and see it that corrects the problem, if not replace the sensor.
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Embeded Dirt Finder

check out the switch that activates it. go to thehooverstore for a complete listing of hoover machines. I'm sure you'll find your machine listed along with an exploded diagram of the machine
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Hoover Savvy

Does this happen at both Dirt Finder Sensitivity settings?
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