Question about Kenmore 33721 Upright Vacuum

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Kenmore 33721 does not start

I was using my Kenmore 33721 vacuum and it just stopped working (as if it was unpluged). I verified the outlet had power and tried to turn the vacuum on. Nothing. I tried in several other outlets. Nothing. I have taken care of the vacuum regularly, following the cleaning procedure in the manual. It is four years old. Any help would be appreciated.

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Re: Kenmore 33721 does not start

Same thing happened to me. After taking the cover off I noticed a wiring diagram on the inside cover. There is a fuse between the on/off button and the motor, sure enough the fuse had blown. There is no mention of a fuse in the manual! The vacuum works great again.

Posted on Sep 02, 2007

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Lights on front of unit stopped working and a little while later the whole unit stopped working while in the middle of vacuuming

Take it to a qualified repair facility. Even as there isnt to much to a vacum let the tech check it out. Could be a faulty switch or controls. I dont think its a serviceable by homeowner problem.

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I would start by taking the wand apart. Be sure vac is unplugged from the wall outlet! You should be left with two pipe pieces, and the beater bar. I would also pull the hose from the canister unit itself. Once all the pieces are pulled apart, check the two or three prong wire connectors on each piece, both the female and male ends. If you have any dielectric grease, use a dab on each electrical connection. Once you reassemble, and still not powering up, wiggle the wand back and forth at the connection near the canister, and after the hose near where the switch is. If the vac cuts on after wiggling it, then you have a loose connection, and will need to tighten the female ends on the electrical connections, by squeezing them together slightly with a pair of pliers. Please rate if this works or does not work. Thanks!

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Economically, you should just get a new one instead of replacing the whole system guts

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Electrolux Centralux
Electrolux Centralux
Posted by Brucebob on Jun 09, 2008
I have an Electrolux Centralux. When I plug the hose in at one of the wall outlets the motor will not start. If I go to the motor and slap the unit it will will not stop unless I unplug the power cord to the motor.
If I plug the power cord back in, the unit will not restart until I slap the motor unit again. The unit has only been used 20 - 30 times.
Any suggestions? Thanks, Bruce

I would advise you to ALWAYS to FIRST UNPLUG YOUR VACUUM before beginning any service procedure. You may have a bad inlet or household outlet; try all the inlets in the house too. But it sounds to me that your carbon brushes are dirty and need cleaning or replacing would be my 1st suggestion. Take a good wire brushes or pipe cleaner to clean the inside of the carbon brushes if they stick then replace them. So if the unit has only been used 20 to 30 times I would suggest some one to come and look @ it who did the install because it is still under a factory warranty and if you start messing with things you will void the factory warranty on the motor. And then if it is the motor for some reason then the factory or vendor will eat the cost of the repair. 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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1 Answer

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Check the inlet down by the brush roll to see if it is clogged. Also check the belt to be sure it is ok. Is there suction at the hose? If not then it is still clogged.

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