Question about Hoover Windtunnel Supreme U5280-900 Upright Vacuum

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Dirt sensor on my hoover supreme remains remains on red all the time

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  • 31 Answers

I had one i think you need to clean felter on it the one on side

Posted on Oct 03, 2009

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Posted on Jan 02, 2017

  • 298 Answers

SOURCE: Hoover - Red Light Dirt Sensor

Try cleaning the dirt sensor and clean the inside of the tube that goes into the bag with a damp cloth.It wont hurt anything it will continue to work

Posted on Nov 20, 2007

  • 1 Answer

SOURCE: dirt sensor

The sensor remains red.

Posted on Apr 01, 2008

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1 Answer

The dirt sensor light stays green. It won't turn red, even when I know I'm picking up a lot of dirt.


The Board(46851083) is No Longer Available
The EDF Duct (47823004) EDF= Electric Dirt Finder is $20.40 from
http www searspartsdirect com model part u6485900 0517 0645000 50039309...
You can test the board by crossing the 2 connectors to "close" the circuit for the mic (small black and blue wire) while vac is running and light should go to red every time you complete the circuit. WARNING: There will be exposed electrical points on board that could cause an electrical shock!!! or damage to board if not just crossing mic connections.

Jan 22, 2016 | Hoover U6485900 Bagged Upright Vacuum

2 Answers

Hoover - Red Light Dirt Sensor


check to make sure the settings didn't get inadvertently switched to the hi position, move the switch back and forth from high to reg a few times, then leave it on reg.

remove and hand wash the primary filter and secondary filter, dry throughly and replace them in the vacuum.

if none of this works, you will need to have the vacuum serviced, or if it is still working, just don't pay attention to the dirt-finder. the dirt sensor on your vacuum is located in the suction tube and is generally not accessible enough to clean without taking the vacuum apart.

hope this helps,
trin

Nov 20, 2007 | Vacuums

1 Answer

Embedded light sensor stays red all the time


The back cover is called the a micro/dust assembly. See #21 here:
http://www.ereplacementparts.com/hoover-u6630900-windtunnel-selfpropelled-bagless-vacuum-parts-c-37315_37337_37584.html


The little sensor should be in the round recess in the top of that assembly. When you are putting the cover back on you have to use a pair of needle nose pliers to push the sensor into the round recess until it is snug. It is hard to do because the wires to the sensor are very short and you have to be careful not to break the wires on the sensor. The sensor is a little microphone that senses the noise of the dirt going through the EDF. The first time I did mine I didn't push it in hard enough and came out of the EDF recess and fell inside the vacuum body.

Jun 14, 2010 | Hoover U6630-900 WindTunnel Bagless...

1 Answer

I have a Hoover Wind Tunnel Supreme mach 3.9. It


Check the filter above the dirt tank. If you take out the dirt cup and look where in slides into the machine, there is a filter that is probably dirty. It can be cleaned or replaced

Oct 08, 2009 | Hoover Vacuums

1 Answer

Sensor wont go to green


Try cleaning the dirt sensor. It's usually located where the bag connects to the vacuum. Take the bag off and clean the inside of the tube that goes into the bag with a damp cloth.

Jan 11, 2009 | Hoover U5450-900 Windtunnel Supreme Bagged...

3 Answers

Dirt finder sensor stopped working


I had the same problem with a hoover windtunnel 6200 - u5477-900. I removed the flexible hose from top of the plastic tube running vertically along the right side of the back of the vacuum. When I used a flashlight to look into the plastic tube, I could see a clog at the bottom, where the flexible hose curved frontwards towards the brushes. I then removed the 2 screws holding the vertical plastic tube to the vacuum. When I disconnected the plastic tube from the flexible hose at the bottom, I found a clog of dirt and dog hair. After removing the clog and reassembling, the clean / dirty light now moves back and forth from red to green.

Jan 29, 2008 | Hoover U6437-900 / U6439-900 Windtunnel...

1 Answer

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.

Oct 16, 2007 | Hoover U6437-900 / U6439-900 Windtunnel...

1 Answer

Hoover Savvy


Does this happen at both Dirt Finder Sensitivity settings?

Sep 16, 2007 | Hoover U8171-900 / U8172-900 / U8173-900 /...

1 Answer

Hoover U5450900


On the back, take the hose off, inside the duct you can see a disc,(it is on the bottom of the duct) it may be filmed over with dirt, that is the sensor, clean it off then try again. If it still comes on, then it may be bad or you have a clog in the hose or the dirt inlet by the brush roll.

Jul 02, 2007 | Hoover U5450-900 Windtunnel Supreme Bagged...

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