Question about Broan-NuTone CV353 Central Vacuum

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Decreased suction was using to vaccuum carpet and suction decreased..nothing plugging hose....suction remain at unit canister and exhaust is fine....suggestions??

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  • michelleandj May 11, 2009

    re...no suction from central va....for andrew 1872.......manay attachments tried......with or without attachments...it was the same..........we are thinking it might be a crack in the original piping the builder installed...although we have not had a problem in the 15 yrs we have owned the house....suction from canister seems ok....

  • michelleandj May 11, 2009

    will try this.....thought we had done something similar.....thanks for this but i am not hopeful...what would be the next step if this is not successful

  • Andy Colvin May 11, 2010

    what kind of attachment were you using? If it had a rotating brush, if so is it still turning when its on?

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You might have a clog, to try and unclog the lines, you need to unplug the unit, and remove the bag compartment. Then take a shop vac using the hose attachment hold it into the attachment door where there is low suction and try to draw the clog out the way it went in.

Posted on May 11, 2009

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Check your bag and your filters. replace if dirty or fairly full. IF the hose is old you also may want to replace the hose. an old worn out hose will loose a lot of airflow.

Posted on Jul 26, 2009

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Dyson DC14 hose won't extend and floor unit lost suction


Sounds like the exhaust side is clogged. Remember a vacuum pulls air into the cavity, but for it to work properly it also has to be able to exhaust the same amount of air it takes in. If the exhaust is blocked it will continue to suck air inside and collapse on itself, which is why your hoses are getting shorter and harder to move. Check the exhaust system for any blockages, perhaps the hole you taped was the exhaust.

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How do you make it blow air out? trying to make air blow out,i have the hose that has controls on it. will work to **** up but when i put it to blow out will not come on.


The Guardian Canister vacuums have a blow port under the filter. So you need to remove the filter (on the Guardian Ultra, you have to open the top of the vacuum) by lifting it up the forward. Then disconnect the hose from the normal suction end of the unit and plug it into the blower port. Now turn on the vacuum. If the hose is clogged, position the other end of the hose at the suction port.

For the Guardian canister, select the high, medium or low force for the motor. Then blow the dust out from under the furniture or use to fill an inflatable. Turn off the vacuum and replace the hose in the usual position and replace the filter when done.

If you are still unable to get the unit to blow out when connected to the exhaust port after attempting to clear the hose, separate the hose, wand and handle. Look down the hose for any object that might be creating a one-way valve. Remove the foreign object.Do the same with the other parts of the unit. Also replace the vacuum bag. If the bag is sufficiently full, the airflow will be reduced through the bag to the exhaust and cause the problem you describe.

The Electrolux Guardian Canister Vacuums are part of the Aerus line. The manuals for the vacuums are available here: http://www.aerusvacuums.com/support/manuals/index.cfm . The Guardian Ultra is in the current model section. The Guardian is listed in the Older Model drop-down menu.

I hope this helps.

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(many canister vacuums have a blower mode when you connect the hose to the exhaust (after the bag) instead of the suction side of the unit.)

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We have suction at the outlets but when we plug the hose in we have no suction at the carpet vaccuum head.


Is there suction at the end of the hose? If not, the hose is clogged. Generally the blockage is located near the handle, but sometimes at the other end. Occasionally, if something long, like a straw, is sucked up, it will get caught somewhere else in the hose that's impossible to get to.
You can try to hold the wand end of the hose directly to the CV tank and turning it on. This should clear the clog. If not, hold the handle end to the blower of a shop vac or canister and turn it on. The other end should be either in a large plastic bag, inserted in the in port of the vacuum, or directed outside.
If there is suction at the end of the hose, the most likely place for a clog is at the elbow on the power nozzle or just behind the brush. This can be cleared by using the handle of a wooden spoon or similar blunt object to push the clog back out toward the brush.

If none of these help, take the vacuum to the nearest Aerus Electrolux store for assistance.

http://www.aerushome.com/storelocator/

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Model UH60010, Series X12.0, Mfg code K09A. While attempting to use the hose and the extensions to clean shelves, my wife reported no suction. I removed the brush roller and the plastic piece just below...


There are six different reasons a vacuum can lose suction, a plugged vacuum hose, bad motor, full vacuum bag, or cracked or damage hoses. Purchasing a vacuum cleaner can be a costly expense while repairing the suction on the unit can be virtually free. Most suction loss problems on a vacuum can be easily fixed or remedied with common house hold tools and very little technical expertise.
If your vacuum cleaner losses suction, the first and easiest solution is to check the bag. If the vacuum cleaner bag is full suction will be greatly reduced and the unit will become ineffective. A vacuum cleaner works by passing air through the bag fibers leaving dirt and debris behind inside the bag. If the refuse bag becomes full, airflow is restricted, limiting the amount of air passing through the vacuum bag resulting in loss of suction. When replacing the vacuum bag always consult your owners manual to insure that the vacuum bag seals with the vacuum inlet hose. If your vacuum cleaner bag is not tightly sealed to the vacuum inlet hose you will decrease the air flow through the bag resulting in loss of suction.
The second and sometimes most common reason for loss of suction on a vacuum cleaner is a plugged vacuum hose. If the hose becomes plugged, air flow will become restricted. To unplug a vacuum hose detach it from the machine and inspect the inside. If there is a restriction in the hose, remove it with your fingers and replace the hose onto the unit. If the hose is long and the debris is hard to get too, a broom handle or other long object can be passed through the hose to dislodge the debris. Most vacuum cleaners contain more that one suction hose, so make sure to check each one by process of elimination. Another area that can become easily plugged on a vacuum cleaner is under the lower base of the unit by the roller brush. Large debris can get caught in this area and restrict air flow to the hose.
If your vacuum refuse bag is not full and the suction hoses are not plugged the next thing to check is the condition of the hoses. Many hoses are made from plastic which can easily tear or crack. If your vacuum cleaner shows signs of wear or are cracked they need to be replaced. Even the smallest hole in a vacuum hose can leak enough air to greatly diminish the suction potential of your unit. Replace your vacuum cleaner parts with OEM parts from the original manufacturer to ensure the tightest fit.
Most vacuum cleaners contain filters. Filters are used as a last line of defense to remove dust and smaller debris particles before the air is recycled back into the environment. If vacuum cleaner filters become dirty or plugged they also can decrease the amount of air traveling through the unit. Some filters can be easily rinsed with water whereas others need to be replaced. It is important to check your owners manual before rinsing a vacuum filter.
The last and probably least common problem for a vacuum cleaner to loose suction is a bad or failing vacuum motor. Over time vacuum motors lose power due to worn carbon brushes or long term damage. A vacuum cleaners worst enemy is moisture. If water or moisture is sucked into the vacuum motor it will greatly diminish the amount of suction the unit has. Replacing a vac motor can be a costly and time consuming ordeal. In some cases, replacing a vacuum motor can outweigh the cost of buying a new vacuum. Vacuum suction is measured in water lift which can easily be measured by using a water lift gauge. If the water lift measured in inches, falls below half the original water lift specifications for the unit, it is time to replace your motor. Most vacuum cleaner repair shops carry this type of equipment and can easily tell you if it is time for a new vac motor.

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Probably a clog..
Get hose off and straighten it out and look inside.. If not - check both ends where hose connects in the units..

Hope this helps !!

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