Hoover Vacuums\015 Red light stays on indicating dirty carpet all the time.\015

How to Identify and Fix Common Vacuum Problems ?

Our sources include academic articles, blog posts, and personal essays from experienced Vacuum Technicians :

Vacuum cleaners use an electric motor that spins a fan, sucking in air – and any small particles caught up in it – and pushing it out the other side, into a bag or a canister, to create the negative pressure.
Vacuum cleaners work because of Bernoulli`s Principle, which states that as the speed of air increases, the pressure decreases. Air will always flow from a high-pressure area to a low-pressure area, to try to balance out the pressure.
It`s in the bag

That`s where the bag—or the dirt container of a bagless vacuum—comes into play. The vacuum`s bag is tightly sealed. It doesn`t just hold dirt, it also acts as a filter for the air coming out of the vacuum`s exhaust.

Vacuuming only removes dirt and dust from the surface of your carpet. Even the most powerful vacuum cleaners leave things lurking beneath the surface of your carpet, including dust mites, dead skin cells, bacteria, pet dander, pollen, and allergens.
A vacuum cleaner, also known simply as a vacuum or a hoover, is a device that causes suction in order to remove dirt from floors, upholstery, draperies, and other surfaces. It is generally electrically driven.
For the electrical appliance that cleans surfaces through suction, North Americans tend to use vacuum cleaner, or just vacuum, and Britons tend to use hoover. Both words also function as verbs, inflected vacuumed, vacuuming, hoovered, and hoovering. By metaphorical extension, hoover also means to consume completely.
The first, and arguably most important, part of the vacuum cleaner is the suction motor. This is what creates the vacuum pressure and suction power by utilizing a rotating motor fan.
A vacuum measurement instrument is a generic term for measuring equipment for measurement of the gas pressure quantity in a vacuum application. It can be a standalone vacuum pressure transducer with integrated sensor and electronics or it can be a display and power supply unit with a separate passive sensor connected.
An object that falls through a vacuum is subjected to only one external force, the gravitational force, expressed as the weight of the object. An object that is moving only because of the action of gravity is said to be free falling and its motion is described by Newton`s second law of motion.
Objects in space follow the laws or rules of physics, just like objects on Earth do. Things in space have inertia. That is, they travel in a straight line unless there is a force that makes them stop or change. The movement of things in space is influenced by gravity.
Dump the Dust

If your vacuum has a disposable bag, remove and discard it. For vacuums that use a plastic canister, remove the bin and dump the contents in the trash. Disassemble as much of the dust cup as possible for easier and more thorough cleaning.

Relevant Questions and Answers :

the most relevant questions and answers related to your specific issue

Dirt finder I have a Hoover U6439-900.  After the cleaner was used a few times, the dirt finder light cycles between green and red on the regular setting and will not go to green.  On the sensitive setting, the red light stays on most of the time.  I have tried to run the cleaner to remove any dirt but have not solved the problem.
ANSWER : 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
ANSWER : 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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Embedded dirt finder light stuck
ANSWER : 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.

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My dirt finder light is not working
My dirt finder red light never goes off. Have changed the bag, cleaned all filters.
ANSWER : Take the bag out and the filter,put the coveer back on and start it up.see what the light says.if there is a clog somewhere and air is not getting into the bag it will read full.if that workd then put the filter back in and start it up.when the bag is in and hooked up does it expand when you turn it on.try putting the bag in and no cover and see what the bag does.please leave feedback

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Bissell bagless sweeper sucks up dirt but will not put dirt in the canister cup. It will pickup until it clogs, then it will stop picking up dirt. It will really hold quite a bit of dirt before it stops completely up. Thanks for any help.
ANSWER : I had the same problem, called Bissell over 10 times! They send me 3 plastic inserts for the dirt chamber, not the problem. I solved it by throwing the Bissell away and buying a Eureka bagged vacuum, no more problems.

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Hoover Mach 3 (Fusion): Dirt Will not enter dirt cup
ANSWER : There is a filter in the top over where the dirt canister clips in, and one under the dirt cannister by the motor. Sometimes removing and cleaning will help if you have not tried it already.

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Hoover Savvy The red light for the dirt finder is on when pushing forward and the green light is on when pulling it back. This happens all the time. It’s like the dirt finder sensor isn’t working right. It seems to be picking up good and we keep the filter clean.
ANSWER : Does this happen at both Dirt Finder Sensitivity settings?

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Our Bissell Cleanview II 3576M does a great job except that the filter cup below the dirt cup gets full very fast and the dirt cup barely has anything in it. To clean the whole house, I have to empty the dirt cup and clean the filter several times. It didn’t use to work this way. It seems like something is missing, a gasket or seal maybe? I don’t think dirt, hair and debris should be going straight to the lower cup and bypassing the upper. I looked at the user guide but can’t see why it’s happen
ANSWER : Contact Bissell Direct for a parts diagram and support at
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.http://uk.bissell.com/EmailUs.aspx
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