My wife was vacuuming today and when she was finished she hit the off button on the nozzle to off but the central vac still ran. She disconnected the hose from the receptecle in the wall and it still ran. I tried switching the button on the cannister to manual but no luck. Finally I had to unplug the power cord to shut it off. I pulled each receptical in the wall out to see if there was any lose wires but everyone seemed fine.I'm not sure now what my next step should be can someone help? It is a Kenmore Central Vac about 8 years old
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Re: Central Vac does not shut off
Sounds like the relay that is in the central vac unit is stuck to the ON position. When you plug it back in..does it start right up ? If so.. You should be able to disconnect all the receptacle feeds to the central vac unit at the central vac unit to determine which one ( if any) is calling for the vac to stay on.. if none are.. then it is internal to the vac and may be a stuck relay... Hope that gives you some ideas to check...
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If there's power to the power nozzle, there's power going to the powered accessories, as well. The problem must be due to a defective/broken "item". It could be a loose wire, a switch, or the accessory motor. It needs to be replaced, or taken in to an authorized shop for repair.
These problems are nearly exclusively caused by a bad circut board and replacing it is the fix. Bad boards can cause many different effects so its nearly impossible to be sure. The 9v signal wire is not enough to short out an entire unit so it is unlikely the hose. If it is a direct connect system and you are pulling power from the 110 somehow that would cause main unit problems but that is unlikely at best. Sounds like a failed board to me.
http://www.geeksquad.fixya.com/ThreadView.aspx?prdid=0&thid=579196 Generic problem for all Vacuums Wiring up central vac too Posted by brneault on May 08, 2008 Wiring up central vac too breaker box. Hello, I would advise you to ALWAYS to FIRST UNPLUG YOUR VACUUM before beginning any service procedure. A central vac not knowing the brand name or model # uses regular household current and plugs into a regular household inlet and I have never heard of wiring the central vac to the breaker box. The central vac is usually out in the garage or down the basement and will be in the regular household current. You may want to ask the manufacturer or the vac dealer you purchased the central vac from and they might have more information for your and if your central vac needs to be wired to the breaker box they will give you instructions, but I don’t believe that you need to do so. 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. Don – The Vac Man Go Ahead.Use Us.
http://geeksquad.fixya.com/ThreadView.aspx?prdid=0&thid=566201 Generic problem for all Vacuums I have a one year posted by jon89 on May 02, 2008 I have a one year old Beam central vac. It has supervalves. The handle (connected to the hose stopped turning on the unit. The handle still powers the brush but no longer turns on the suction? Hello, I would advise you to ALWAYS to FIRST UNPLUG YOUR VACUUM before beginning any service procedure. The Beam Central Vac may have more than a one year factory warranty and it sounds to me that you may have a bad relay switch the Central Vac, if you do it should be covered under the factory warranty. Otherwise, you may have a bad supervalves or a wire came loose, if the hose switch turns on the power nozzle then it may be a bad supervalve or a bad relay and to contact the installer or the manufacturer of Beam. 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. http://www.beamvac.com/usa/Owner Support Customer Service1-800-369-2326Phone # Email: email@example.com Technical Support:firstname.lastname@example.org Thanks, Don the Vac Man Go Ahead. Use Us.