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Kitchen exhaust fan no suction, though motor turns and fan blows

Tradewinds VCH-7 and ventilator VR1000 on the roof, motor and fan blows but no suction I have a probably 30 year old Tradewinds kitchen range top fan, VCH-6 and roof ventilator VR1000. The motor turns and fan blows pretty strong, but there is no suction at the range top. No suction at all. I wonder if it's due to the duct is blocked somewhere. I used a mirror to see from the kitchen range top to as far as I could see. I was hoping to find some damper with shutter. So far I have found any mechanism that blocks the air flow. I'll appreciate if someone could provide suggestions what I should look for. Thank you, James

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 1 Answer

SOURCE: Dyson Dc-17 Animal Doesn't ****

I had the same problem and today I finally called Dyson. They were very helpful. I disconnected the hose from the handle using the red release button. If you hold the handle up to the light and can't see light on the other side, there is a blockage. A wire coat hanger worked great to dislodge our blockage and it's working perfectly again!

Posted on Apr 13, 2008

  • 1 Answer

SOURCE: dyson blowing top of cyclone air release valve.

It sounds like the same problem I was having. I had loss of suction through he hose then all of the air was coming out through the vent/valve on top of canister. If you are looking at your dyson from the back, look at the bottom. You will see a purple plastic tab on the bottom left. That allows you to remove the plastic u-shaped hose that goes from the hose to the bottom of the dyson. I just removed that and found it was completley blocked. I removed it and the dyson has no loss of suction orair through top valve/vent. I hope this helps. I never post but i'm just excited that I got my dyson working perfectly again.

Posted on Jul 11, 2008

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SOURCE: dyson suction loss

make sure the filters in the bottom are clean, then remove the canister and you will need to clean it thouroughly, pay close attention to the upper section inside where the "cones" come togetheri have read that they are prone to clog up here and lose suction, google dyson suction loss or how to clean a dyson ect...pay attention to getting the rod that releases the bottom to dump back in the correct place or it will not work right. a few write ups tell about this!

Posted on Mar 03, 2009

  • 694 Answers

SOURCE: How do I gain access

Dismantling the vacuum probably won't help much, and reassembling can be a bear.
To check the intake, remove bag and look into bottom of bag well. It there's a filter there, remove it and check intake at bottom of bag well. Clear if there is.
The afterfilter on a canister is located beneath the air diffuser grid on the top of the machine where the tools can be attached. Remove this cover and there should be a white filter. Yours is probably black, or at least real dirty, if it's never been changed. This also blocks the airflow, reducing suction, and potentially damaging the motor. Extremely dirty filters are an indicator of how much dust is getting into and through the motor. This is usually caused by using generic bags rather than the genuine Electrolux, now Aerus, bags.
It is also an indicator of another internal problem on some other Aerus and pre-Aerus Electrolux vacuums.

Posted on Sep 12, 2010

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1 Answer

Lack of suction


You don't say what type of vacuum but it still sounds like a blockage or a split in a pipe... have another thorough look..

Is exhaust air blowing out of the machine... Is the motor running at a higher pitch than normal...?

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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.

Cindy Wells
(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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1 Answer

How do i change from vacuum to blower?


In order to change from suction to blowing, insert the hose into the
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The vacuum cleaner should have two ports, one which is for suction,
the other is an exhaust port. The exhaust port can be used for blowing
when the hose is inserted into it.
After inserting the hose into the exhaust port just turn on the switch.

Jan 17, 2011 | Black & Decker UV200 Wet/Dry Vacuum

1 Answer

I have cleaned out the vac and changed the filter but I can hardly **** up leave on the garage floo.


Try this:
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If it's a clog, try placing end of hose in the exhaust port, turn on machine, and blow clog free. You may need to place other end into intake. This should clear it.
If hose is cracked, punctured, or smashed/collapsed, replacement will be necessary.
If there's not much suction at the intake, it may be time to replace your vacuum, or at least the motor.

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1 Answer

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Aug 10, 2009 | Electrolux Centralux Vacuum

1 Answer

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Is the air blowing out of the pick-up tube or out of the exhaust tube on the unit? I am assuming the pick-up tube. The installer has hooked your system up to the exhaust tube on the unit. Hook up to the intake on the unit instead.

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3 Answers

Have a Sears shop vac, mod 113.172. The motor doesn't take in


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1 Answer

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finish cleaning, through the whole air path

usually, by the time that a large clog has built up in the narrow neck behind the brushes,
that is easy to find when the cover plate is removed,
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not so easy to see
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the fan housing is held on the front of the fan & motor with clips, it disassembles easily and the lint and such can be flicked out of the impeller
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1 Answer

No suction on my red roomba


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If that doesn't help, clean the fan and the exhaust port, and verify that the fan is working.

If the fan is working and the filter is clean, then your appearent lack of suction is probably due to the fact that your brushes are not turning, and therefore not collecting debris. That's a whole different problem, one I also have, but haven't solved yet (though there are suggestions on this site).

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1 Answer

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