Question about Electrolux Centralux Vacuum

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Lack of suction at power unit

I have an Electrolux Central Vac system (in a house that we just puchased). I have went through the Troubleshooting flow chart and got to the power unit and pulled the tube off of the inlet and found that there is very little/no suction at the power unit (even though there is a ton of air flow coming out of the exhaust).

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Re: Lack of suction at power unit

If you have remove the piping from the inlet of your vacuum and by clogging the inlet with your hand to feel if it is sucking air but still little/no suction is felt then there must be a crack from the inside of your vacuum unit where most of the air being sucked is passing through and bypassing its inlet. if there's a possibility for you to open the unit (unplug it first) then check for possible air leak passages from its inlet to its exhaust! check for loose air seal also!

Posted on Nov 15, 2007

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Re: Lack of suction at power unit

Check that the Handle has a slider to adjust air flow, Electrolux Vac's arent really designed for carpet cleaning, check hose for breaks or cuts and everything is secure, while its on run your hands all over the hose and vac to locate any air flow that should not be.

Let me know.

Posted on Nov 15, 2007

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Disconnect the inlet piping from the unit and check the suction there. Be sure that the utility inlet on the unit is closed. If you have good suction, you have an open/broken pipe somewhere, or possible an inlet valve or vacpan that is not sealing when closed. The easiest way to find it would be to install your tubing back into the inlet of the unit, turn the unit on, and walk around the house listening for air leaks. Good Luck!!

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Posted by Kitkatman on Jun 11, 2008
I recently bought a house with an older Electrolux Central Vac system. I'm unfamiliar with them, so I'm not sure how to deal with this: I cleaned up some mortar dust with it, and noticed not too long after that when I went into the garage, there was a fog of dust. The hose from the unit is venting into the garage. Is this normal? I have since used it for everyday household cleaning and each time I go back to the garage to a cloud of dust. Is there anything I can do? Thanks

I would advise you to ALWAYS to FIRST UNPLUG YOUR VACUUM before beginning any service procedure. It sounds to me that the unit you have may have to be vented outside as I am not familiar with this particular unit, or it could very well be that it is missing a filter or the filter you have inside already is shot and is in need of replacement or on some central vacs there are paper filter that go over the cloth type filter. Again, I am not familiar with this older unit but feel free to contact the Electrolux Factory or Manufacturer and give them the model # and the serial # for the unit and they will have a breakdown of if it should be vented and what type of filtration it should be using. So if you need further assistance, please feel free to contact your local vacuum cleaner dealer in your area or in the yellow pages, or contact the factory phone number or website to further assist you with your questions. Customer Service 1-800-896-9756
Electrolux Home Care Products – North America
P.O. Box 3900 Peoria, IL 61612
Thanks, Don the Vac Man
Go Ahead. Use Us.

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I work on many types of units. If you electric floor brush runs but you have no suction then there is possibly a problem with the relay board that allows you to turn on the suction from the hose handle. This is a low voltage (24 V) switching loop circuit that will cause the 120 V motor in the unit to run.

Inside the wall valve are two brass pins. NOTE: there are 120V valves installed on some systems known as a Super Valve. A shock hazared exists if you work on that type of valve. That being said. In the round portion of the valve you can use a garage hose that has a 360 deg. chrome ring to test the valve. The ring completes the circuit causing the unit to power up and suction at the end of the hose. If the suction is weak, there is a colg in the pipe. If you hear no airflow, the relay inside the unit did not energize or the motor is bad.

To test: go to the unit and turn the switch on the side to "manual" if the unit turns on the motor should be ok. DO NOT RUN THE UNIT without and open valve. In some brands dammage to your motor will occure.

If the unit did not run, look for a small button near the switch. This is a circuit breaker for the motor. If it is poped out and you hear a "click" when you press it in there is most likely motor problems and someone should be contacted for repair.

Hope this helps!!


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